# This defines some general, useful functions.
-if [ ! -z "$SHELL_DEBUG" ]; then
- echo function definitions begin...
+#hmmm: starting to get a bit beefy in here. perhaps there is a good way to refactor the functions into more specific folders, if they aren't really totally general purpose?
+
+##############
+
+# test whether we've been here before or not.
+skip_all=
+type function_sentinel &>/dev/null
+if [ $? -eq 0 ]; then
+ # there was no error, so we can skip the inits.
+ if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then
+ echo "skipping function definitions, because already defined."
+ fi
+ skip_all=yes
+else
+ skip_all=
fi
-# makes a directory of the name specified and then tries to change the
-# current directory to that directory.
-function mcd {
- if [ ! -d "$1" ]; then mkdir -p "$1"; fi
- cd "$1"
-}
-
-# locates a process given a search pattern to match in the process list.
-function psfind {
- PID_DUMP="$(mktemp "$TMP/zz_pidlist.XXXXXX")"
- appropriate_pattern='s/^[-a-zA-Z_0-9][-a-zA-Z_0-9]* *\([0-9][0-9]*\).*$/\1/p'
- # pattern to use for peeling off the process numbers.
- extra_flags=
- # flags to pass to ps if any special ones are needed.
- if [ "$OS" = "Windows_NT" ]; then
- # on win32, there is some weirdness to support msys.
- appropriate_pattern='s/^[ ]*\([0-9][0-9]*\).*$/\1/p'
- extra_flags=-W
+if [ -z "$skip_all" ]; then
+
+ if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then
+ echo "feisty meow function definitions beginning now..."
fi
- /bin/ps $extra_flags wuax >$PID_DUMP
- # remove the first line of the file, search for the pattern the
- # user wants to find, and just pluck the process ids out of the
- # results.
- PIDS_SOUGHT=$(cat $PID_DUMP \
- | sed -e '1d' \
- | grep -i "$1" \
- | sed -n -e "$appropriate_pattern")
- if [ ! -z "$PIDS_SOUGHT" ]; then echo "$PIDS_SOUGHT"; fi
- /bin/rm $PID_DUMP
-}
-
-# finds all processes matching the pattern specified and shows their full
-# process listing (whereas psfind just lists process ids).
-function psa {
- p=$(psfind "$1")
- if [ ! -z "$p" ]; then
+
+ # a handy little method that can be used for date strings. it was getting
+ # really tiresome how many different ways the script did the date formatting.
+ function date_stringer() {
+ local sep="$1"; shift
+ if [ -z "$sep" ]; then sep='_'; fi
+ date +"%Y$sep%m$sep%d$sep%H%M$sep%S" | tr -d '/\n/'
+ }
+
+ # makes a directory of the name specified and then tries to change the
+ # current directory to that directory.
+ function mcd() {
+ if [ ! -d "$1" ]; then mkdir -p "$1"; fi
+ cd "$1"
+ }
+
+ function is_array() {
+ [[ "$(declare -p $1)" =~ "declare -a" ]]
+ }
+
+ function is_alias() {
+ alias $1 &>/dev/null
+ return $?
+ }
+
+ ##############
+
+ # displays the value of a variable in bash friendly format.
+ function var() {
+ HOLDIFS="$IFS"
+ IFS=""
+ while true; do
+ local varname="$1"; shift
+ if [ -z "$varname" ]; then
+ break
+ fi
+
+ if is_alias "$varname"; then
+#echo found $varname is alias
+ local tmpfile="$(mktemp $TMP/aliasout.XXXXXX)"
+ alias $varname | sed -e 's/.*=//' >$tmpfile
+ echo "alias $varname=$(cat $tmpfile)"
+ \rm $tmpfile
+ elif [ -z "${!varname}" ]; then
+ echo "$varname undefined"
+ else
+ if is_array "$varname"; then
+#echo found $varname is array var
+ local temparray
+ eval temparray="(\${$varname[@]})"
+ echo "$varname=(${temparray[@]})"
+#hmmm: would be nice to print above with elements enclosed in quotes, so that we can properly
+# see ones that have spaces in them.
+ else
+#echo found $varname is simple
+ echo "$varname=${!varname}"
+ fi
+ fi
+ done | sort
+ IFS="$HOLDIFS"
+ }
+
+ ##############
+
+ # when passed a list of things, this will return the unique items from that list as an echo.
+ function uniquify()
+ {
+ # do the uniquification: split the space separated items into separate lines, then
+ # sort the list, then run the uniq tool on the list. results will be packed back onto
+ # one line when invoked like: local fredlist="$(uniquify a b c e d a e f a e d b)"
+ echo $* | tr ' ' '\n' | sort | uniq
+ }
+
+ # sets the variable in parameter 1 to the value in parameter 2, but only if
+ # that variable was undefined.
+ function set_var_if_undefined()
+ {
+ local var_name="$1"; shift
+ local var_value="$1"; shift
+ if [ -z "${!var_name}" ]; then
+ eval export $var_name="$var_value"
+ fi
+ }
+
+ ##############
+
+ function success_sound()
+ {
+ if [ ! -z "$CLAM_FINISH_SOUND" ]; then
+ bash $FEISTY_MEOW_SCRIPTS/multimedia/sound_play.sh "$CLAM_FINISH_SOUND"
+ fi
+ }
+
+ function error_sound()
+ {
+ if [ ! -z "$CLAM_ERROR_SOUND" ]; then
+ bash $FEISTY_MEOW_SCRIPTS/multimedia/sound_play.sh "$CLAM_ERROR_SOUND"
+ fi
+ }
+
+ ##############
+
+ # echoes the maximum number of columns that the terminal supports. usually
+ # anything you print to the terminal with length less than (but not equal to)
+ # maxcols will never wrap.
+ function get_maxcols()
+ {
+ # calculate the number of columsn in the terminal.
+ local cols=$(stty size | awk '{print $2}')
+ echo $cols
+ }
+
+ ##############
+
+ # checks the result of the last command that was run, and if that failed,
+ # then this complains and exits from bash. the function parameters are
+ # used as the message to print as a complaint.
+ function test_or_die()
+ {
+ if [ $? -ne 0 ]; then
+ echo -e "\n\naction failed: $*\n\nExiting script..."
+ error_sound
+ exit 1
+ fi
+ }
+
+ # like test_or_die, but will keep going after complaining.
+ function test_or_continue()
+ {
+ if [ $? -ne 0 ]; then
+ echo -e "\n\nerror occurred: $*\n\nContinuing script..."
+ error_sound
+ fi
+ }
+
+ ##############
+
+ # wraps secure shell with some parameters we like, most importantly to enable X forwarding.
+ function ssh()
+ {
+ local args=($*)
+ # we remember the old terminal title, then force the TERM variable to a more generic
+ # version for the other side (just 'linux'); we don't want the remote side still
+ # thinking it's running xterm.
+ save_terminal_title
+#hmmm: why were we doing this? it scorches the user's logged in session, leaving it without proper terminal handling.
+# # we save the value of TERM; we don't want to leave the user's terminal
+# # brain dead once we come back from this function.
+# local oldterm="$TERM"
+# export TERM=linux
+ /usr/bin/ssh -X -C "${args[@]}"
+# # restore the terminal variable also.
+# TERM="$oldterm"
+ restore_terminal_title
+ }
+
+ ##############
+
+ # locates a process given a search pattern to match in the process list.
+ # supports a single command line flag style parameter of "-u USERNAME";
+ # if the -u flag is found, a username is expected afterwards, and only the
+ # processes of that user are considered.
+ function psfind() {
+ local -a patterns=("${@}")
+#echo ====
+#echo patterns list is: "${patterns[@]}"
+#echo ====
+
+ local user_flag
+ if [ "${patterns[0]}" == "-u" ]; then
+ user_flag="-u ${patterns[1]}"
+#echo "found a -u parm and user=${patterns[1]}"
+ # void the two elements with that user flag so we don't use them as patterns.
+ unset patterns[0] patterns[1]=
+ else
+ # select all users.
+ user_flag="-e"
+ fi
+
+ local PID_DUMP="$(mktemp "$TMP/zz_pidlist.XXXXXX")"
+ local -a PIDS_SOUGHT
+
+ if [ "$OS" == "Windows_NT" ]; then
+ # gets cygwin's (god awful) ps to show windoze processes also.
+ local EXTRA_DOZER_FLAGS="-W"
+ # pattern to use for peeling off the process numbers.
+ local pid_finder_pattern='s/ *\([0-9][0-9]*\) *.*$/\1/p'
+
+ else
+ # flags which clean up the process listing output on unixes.
+ # apparently cygwin doesn't count as a type of unix, because their
+ # crummy specialized ps command doesn't support normal ps flags.
+ local EXTRA_UNIX_FLAGS="-o pid,args"
+ # pattern to use for peeling off the process numbers.
+ local pid_finder_pattern='s/^[[:space:]]*\([0-9][0-9]*\).*$/\1/p'
+ fi
+
+ /bin/ps $EXTRA_DOZER_FLAGS $EXTRA_UNIX_FLAGS $user_flag | tail -n +2 >$PID_DUMP
+#echo ====
+#echo got all this stuff in the pid dump file:
+#cat $PID_DUMP
+#echo ====
+
+ # search for the pattern the user wants to find, and just pluck the process
+ # ids out of the results.
+ local i
+ for i in "${patterns[@]}"; do
+ PIDS_SOUGHT+=($(cat $PID_DUMP \
+ | grep -i "$i" \
+ | sed -n -e "$pid_finder_pattern"))
+ done
+#echo ====
+#echo pids sought list became:
+#echo "${PIDS_SOUGHT[@]}"
+#echo ====
+
+ if [ ${#PIDS_SOUGHT[*]} -ne 0 ]; then
+ local PIDS_SOUGHT2=$(printf -- '%s\n' ${PIDS_SOUGHT[@]} | sort | uniq)
+ PIDS_SOUGHT=()
+ PIDS_SOUGHT=${PIDS_SOUGHT2[*]}
+ echo ${PIDS_SOUGHT[*]}
+ fi
+ /bin/rm $PID_DUMP
+ }
+
+ # finds all processes matching the pattern specified and shows their full
+ # process listing (whereas psfind just lists process ids).
+ function psa() {
+ if [ -z "$1" ]; then
+ echo "psa finds processes by pattern, but there was no pattern on the command line."
+ return 1
+ fi
+ local -a patterns=("${@}")
+ p=$(psfind "${patterns[@]}")
+ if [ -z "$p" ]; then
+ # no matches.
+ return 0
+ fi
+
+ if [ "${patterns[0]}" == "-u" ]; then
+ # void the two elements with that user flag so we don't use them as patterns.
+ unset patterns[0] patterns[1]=
+ fi
+
echo ""
- echo "Processes containing \"$1\"..."
+ echo "Processes matching ${patterns[@]}..."
echo ""
if [ -n "$IS_DARWIN" ]; then
unset fuzil_sentinel
fuzil_sentinel=true
done
else
- # cases besides darwin OS (for macs).
- extra_flags=
- if [ "$OS" = "Windows_NT" ]; then
+ # cases besides mac os x's darwin.
+ if [ "$OS" == "Windows_NT" ]; then
# special case for windows.
- extra_flags=-W
ps | head -1
for curr in $p; do
- ps $extra_flags | grep "^ *$curr"
+ ps -W -p $curr | tail -n +2
done
else
# normal OSes can handle a nice simple query.
ps wu $p
fi
fi
- fi
-}
-
-# an unfortunately similarly named function to the above 'ps' as in process
-# methods, but this 'ps' stands for postscript. this takes a postscript file
-# and converts it into pcl3 printer language and then ships it to the printer.
-# this mostly makes sense for an environment where one's default printer is
-# pcl. if the input postscript causes ghostscript to bomb out, there has been
-# some good success running ps2ps on the input file and using the cleaned
-# postscript file for printing.
-function ps2pcl2lpr {
- for $i in $*; do
- gs -sDEVICE=pcl3 -sOutputFile=- -sPAPERSIZE=letter "$i" | lpr -l
- done
-}
-
-function fix_alsa {
- sudo /etc/init.d/alsasound restart
-}
-
-# switches from a /X/path form to an X:/ form.
-function msys_to_dos_path() {
- # we always remove dos slashes in favor of forward slashes.
- echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\/\([a-zA-Z]\)\/\(.*\)/\1:\/\2/'
-}
-
-# switches from an X:/ form to an /X/path form.
-function dos_to_msys_path() {
- # we always remove dos slashes in favor of forward slashes.
- echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\([a-zA-Z]\):\/\(.*\)/\/\1\/\2/'
-}
-
-# su function: makes su perform a login.
-# for some OSes, this transfers the X authority information to the new login.
-function su {
- # decide if we think this is debian or ubuntu or a variant.
- DEBIAN_LIKE=$(if [ ! -z "$(grep -i debian /etc/issue)" \
- -o ! -z "$(grep -i ubuntu /etc/issue)" ]; then echo 1; else echo 0; fi)
-
- if [ $DEBIAN_LIKE -eq 1 ]; then
- # debian currently requires the full version which imports X authority
- # information for su.
-
- # get the x authority info for our current user.
- source $SHELLDIR/x_win/get_x_auth.sh
-
- if [ -z "$X_auth_info" ]; then
- # if there's no authentication info to pass along, we just do a normal su.
+ }
+
+ ##############
+
+#hmmm: holy crowbars, this is an old one. do we ever still have any need of it?
+ # an unfortunately similarly named function to the above 'ps' as in process
+ # methods, but this 'ps' stands for postscript. this takes a postscript file
+ # and converts it into pcl3 printer language and then ships it to the printer.
+ # this mostly makes sense for an environment where one's default printer is
+ # pcl. if the input postscript causes ghostscript to bomb out, there has been
+ # some good success running ps2ps on the input file and using the cleaned
+ # postscript file for printing.
+ function ps2pcl2lpr() {
+ for $i in $*; do
+ gs -sDEVICE=pcl3 -sOutputFile=- -sPAPERSIZE=letter "$i" | lpr -l
+ done
+ }
+
+#hmmm: not really doing anything yet; ubuntu seems to have changed from pulseaudio in 17.04?
+ # restarts the sound driver.
+ function fix_sound_driver() {
+ # stop bash complaining about blank function body.
+ local nothing=
+#if alsa something
+# sudo service alsasound restart
+#elif pulse something
+# sudo pulseaudio -k
+# sudo pulseaudio -D
+#else
+# something else...?
+#fi
+
+ }
+
+ function screen() {
+ save_terminal_title
+#hmmm: ugly absolute path here.
+ /usr/bin/screen $*
+ restore_terminal_title
+ }
+
+ # switches from a /X/path form to an X:/ form. this also processes cygwin paths.
+ function unix_to_dos_path() {
+ # we usually remove dos slashes in favor of forward slashes.
+ local DOSSYHOME
+ if [[ ! "$OS" =~ ^[Ww][iI][nN] ]]; then
+ # fake this value for non-windows (non-cygwin) platforms.
+ DOSSYHOME="$HOME"
+ else
+ # for cygwin, we must replace the /home/X path with an absolute one, since cygwin
+ # insists on the /home form instead of /c/cygwin/home being possible. this is
+ # super frustrating and nightmarish.
+ DOSSYHOME="$(cygpath -am "$HOME")"
+ fi
+
+ if [ ! -z "$SERIOUS_SLASH_TREATMENT" ]; then
+ # unless this flag is set, in which case we force dos slashes.
+ echo "$1" | sed -e "s?^$HOME?$DOSSYHOME?g" | sed -e 's/\\/\//g' | sed -e 's/\/cygdrive//' | sed -e 's/\/\([a-zA-Z]\)\/\(.*\)/\1:\/\2/' | sed -e 's/\//\\/g'
+ else
+ echo "$1" | sed -e "s?^$HOME?$DOSSYHOME?g" | sed -e 's/\\/\//g' | sed -e 's/\/cygdrive//' | sed -e 's/\/\([a-zA-Z]\)\/\(.*\)/\1:\/\2/'
+ fi
+ }
+
+ # switches from an X:/ form to a /cygdrive/X/path form. this is only useful
+ # for the cygwin environment currently.
+ function dos_to_unix_path() {
+ # we always remove dos slashes in favor of forward slashes.
+#old: echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\([a-zA-Z]\):\/\(.*\)/\/\1\/\2/'
+ echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\([a-zA-Z]\):\/\(.*\)/\/cygdrive\/\1\/\2/'
+ }
+
+ # returns a successful value (0) if this system is debian or ubuntu.
+ function debian_like() {
+ # decide if we think this is debian or ubuntu or a variant.
+ DEBIAN_LIKE=$(if [ ! -z "$(grep -i debian /etc/issue)" \
+ -o ! -z "$(grep -i ubuntu /etc/issue)" ]; then echo 1; else echo 0; fi)
+ if [ $DEBIAN_LIKE -eq 1 ]; then
+ # success; this is debianish.
+ return 0
+ else
+ # this seems like some other OS.
+ return 1
+ fi
+ }
+
+ # su function: makes su perform a login.
+ # for some OSes, this transfers the X authority information to the new login.
+ function su() {
+ if debian_like; then
+ # debian currently requires the full version which imports X authority
+ # information for su.
+
+ # get the x authority info for our current user.
+ source "$FEISTY_MEOW_SCRIPTS/security/get_x_auth.sh"
+
+ if [ -z "$X_auth_info" ]; then
+ # if there's no authentication info to pass along, we just do a normal su.
+ /bin/su -l $*
+ else
+ # under X, we update the new login's authority info with the previous
+ # user's info.
+ (unset XAUTHORITY; /bin/su -l $* -c "$X_auth_info ; export DISPLAY=$DISPLAY ; bash")
+ fi
+ else
+ # non-debian supposedly doesn't need the extra overhead any more.
+ # or at least suse doesn't, which is the other one we've tested on.
/bin/su -l $*
+ fi
+ }
+
+ # sudo function wraps the normal sudo by ensuring we replace the terminal
+ # label if they're doing an su with the sudo.
+ function sudo() {
+ save_terminal_title
+ /usr/bin/sudo "$@"
+ retval=$?
+ restore_terminal_title
+# if [ "$first_command" == "su" ]; then
+# # yep, they were doing an su, but they're back now.
+# label_terminal_with_info
+# fi
+ return $retval
+ }
+
+ # trashes the .#blah files that cvs and subversion leave behind when finding conflicts.
+ # this kind of assumes you've already checked them for any salient facts.
+ function clean_cvs_junk() {
+ for i in $*; do
+ find $i -follow -type f -iname ".#*" -exec perl $FEISTY_MEOW_SCRIPTS/files/safedel.pl {} ";"
+ done
+ }
+
+ # overlay for nechung binary so that we can complain less grossly about it when it's missing.
+ function nechung() {
+ local wheres_nechung=$(which nechung 2>/dev/null)
+ if [ -z "$wheres_nechung" ]; then
+ echo "The nechung oracle program cannot be found. You may want to consider"
+ echo "rebuilding the feisty meow applications with this command:"
+ echo "bash $FEISTY_MEOW_SCRIPTS/generator/produce_feisty_meow.sh"
+ echo
else
- # under X, we update the new login's authority info with the previous
- # user's info.
- (unset XAUTHORITY; /bin/su -l $* -c "$X_auth_info ; export DISPLAY=$DISPLAY ; bash")
- fi
- else
- # non-debian supposedly doesn't need the extra overhead any more.
- # or at least suse doesn't, which is the other one we've tested on.
- /bin/su -l $*
- fi
+ $wheres_nechung
+ fi
+ }
+
+ # recreates all the generated files that the feisty meow scripts use.
+ function regenerate() {
+ # do the bootstrapping process again.
+ save_terminal_title
+ echo "regenerating feisty meow script environment."
+ bash $FEISTY_MEOW_SCRIPTS/core/reconfigure_feisty_meow.sh
+ echo
+ # force a full reload by turning off sentinel variables and methods.
+ unset -v CORE_VARIABLES_LOADED FEISTY_MEOW_LOADING_DOCK USER_CUSTOMIZATIONS_LOADED
+ unalias CORE_ALIASES_LOADED &>/dev/null
+ unset -f function_sentinel
+ # reload feisty meow environment in current shell.
+ source "$FEISTY_MEOW_SCRIPTS/core/launch_feisty_meow.sh"
+ # run nechung oracle to give user a new fortune.
+ nechung
+ restore_terminal_title
+ }
- # relabel the console after returning.
- bash $SHELLDIR/tty/label_terminal_with_infos.sh
-}
-
-# sudo function wraps the normal sudo by ensuring we replace the terminal
-# label if they're doing an su with the sudo.
-function sudo {
- local first_command="$1"
- /usr/bin/sudo $*
- if [ "$first_command" == "su" ]; then
- # yep, they were doing an su, but they're back now.
- bash $SHELLDIR/tty/label_terminal_with_infos.sh
- fi
-}
-
-# buntar is a long needed uncompressing macro that feeds into tar -x.
-# it takes a list of bz2 file names and extracts their contents into
-# sequentially numbered directories.
-function buntar {
- index=1
- for i in $*; do
- mkdir buntar_$index
- pushd buntar_$index &>/dev/null
- file=$i
- # if the filename has no directory component, we will assume it used to
- # be above our unzipping directory here.
- if [ "$(basename $file)" = $file ]; then
- file=../$file
- fi
- bunzip2 -d -c $file | tar -xf -
+ # copies a set of custom scripts into the proper location for feisty meow
+ # to merge their functions and aliases with the standard set.
+ function recustomize()
+ {
+ local custom_user="$1"; shift
+ if [ -z "$custom_user" ]; then
+ # use our default example user if there was no name provided.
+ custom_user=fred
+ fi
+
+ save_terminal_title
+
+ if [ ! -d "$FEISTY_MEOW_SCRIPTS/customize/$custom_user" ]; then
+ echo "The customization folder provided for $custom_user should be:"
+ echo " '$FEISTY_MEOW_SCRIPTS/customize/$custom_user'"
+ echo "but that folder does not exist. Skipping customization."
+ return 1
+ fi
+
+ # prevent permission foul-ups.
+#hmmm: save error output here instead of muting it.
+#hmmm: better yet actually, just don't complain on freaking cygwin, since that's where this happens
+ chown -R "$(logname):$(logname)" \
+ "$FEISTY_MEOW_LOADING_DOCK"/* "$FEISTY_MEOW_GENERATED_STORE"/* 2>/dev/null
+ test_or_continue "chowning to $(logname) didn't happen."
+
+ regenerate >/dev/null
+ pushd "$FEISTY_MEOW_LOADING_DOCK/custom" &>/dev/null
+ incongruous_files="$(bash "$FEISTY_MEOW_SCRIPTS/files/list_non_dupes.sh" "$FEISTY_MEOW_SCRIPTS/customize/$custom_user" "$FEISTY_MEOW_LOADING_DOCK/custom")"
+
+ local fail_message="\n
+are the perl dependencies installed? if you're on ubuntu or debian, try this:\n
+ $(grep "apt-get.*perl" $FEISTY_MEOW_APEX/readme.txt)\n
+or if you're on cygwin, then try this (if apt-cyg is available):\n
+ $(grep "apt-cyg.*perl" $FEISTY_MEOW_APEX/readme.txt)\n";
+
+ #echo "the incongruous files list is: $incongruous_files"
+ # disallow a single character result, since we get "*" as result when nothing exists yet.
+ if [ ${#incongruous_files} -ge 2 ]; then
+ echo "cleaning unknown older overrides..."
+ perl "$FEISTY_MEOW_SCRIPTS/files/safedel.pl" $incongruous_files
+ test_or_continue "running safedel. $fail_message"
+ echo
+ fi
popd &>/dev/null
- index=$(expr $index + 1)
- done
-}
-
-# trashes the .#blah files that cvs and svn leave behind when finding conflicts.
-# this kind of assumes you've already checked them for any salient facts.
-function clean_cvs_junk {
- for i in $*; do
- find $i -follow -type f -iname ".#*" -exec perl $SHELLDIR/files/safedel.pl {} ";"
- done
-}
-
-if [ ! -z "$SHELL_DEBUG" ]; then echo function definitions end....; fi
+ echo "copying custom overrides for $custom_user"
+ mkdir -p "$FEISTY_MEOW_LOADING_DOCK/custom" 2>/dev/null
+ perl "$FEISTY_MEOW_SCRIPTS/text/cpdiff.pl" "$FEISTY_MEOW_SCRIPTS/customize/$custom_user" "$FEISTY_MEOW_LOADING_DOCK/custom"
+ test_or_continue "running cpdiff. $fail_message"
+
+ if [ -d "$FEISTY_MEOW_SCRIPTS/customize/$custom_user/scripts" ]; then
+ echo "copying custom scripts for $custom_user"
+ netcp "$FEISTY_MEOW_SCRIPTS/customize/$custom_user/scripts" "$FEISTY_MEOW_LOADING_DOCK/custom/" &>/dev/null
+#hmmm: could save output to show if an error occurs.
+ fi
+ echo
+ regenerate
+
+ # prevent permission foul-ups, again.
+ chown -R "$(logname):$(logname)" \
+ "$FEISTY_MEOW_LOADING_DOCK" "$FEISTY_MEOW_GENERATED_STORE" 2>/dev/null
+ test_or_continue "chowning to $(logname) didn't happen."
+
+ restore_terminal_title
+ }
+
+ # generates a random password where the first parameter is the number of characters
+ # in the password (default 20) and the second parameter specifies whether to use
+ # special characters (1) or not (0).
+ # found function at http://legroom.net/2010/05/06/bash-random-password-generator
+ function random_password()
+ {
+ [ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
+ cat /dev/urandom | tr -cd "$CHAR" | head -c ${1:-32}
+ echo
+ }
+
+ # a wrapper for the which command that finds items on the path. some OSes
+ # do not provide which, so we want to not be spewing errors when that
+ # happens.
+ function whichable()
+ {
+ to_find="$1"; shift
+ which which &>/dev/null
+ if [ $? -ne 0 ]; then
+ # there is no which command here. we produce nothing due to this.
+ echo
+ fi
+ echo $(which $to_find)
+ }
+
+#hmmm: improve this by not adding the link
+# if already there, or if the drive is not valid.
+ function add_cygwin_drive_mounts() {
+ for i in c d e f g h q z ; do
+ ln -s /cygdrive/$i $i
+ done
+ }
+
+ ############################
+
+ # takes a file to modify, and then it will replace any occurrences of the
+ # pattern provided as the second parameter with the text in the third
+ # parameter.
+ function replace_pattern_in_file()
+ {
+ local file="$1"; shift
+ local pattern="$1"; shift
+ local replacement="$1"; shift
+ if [ -z "$file" -o -z "$pattern" -o -z "$replacement" ]; then
+ echo "replace_pattern_in_file: needs a filename, a pattern to replace, and the"
+ echo "text to replace that pattern with."
+ return 1
+ fi
+ sed -i -e "s%$pattern%$replacement%g" "$file"
+ }
+
+ # similar to replace_pattern_in_file, but also will add the new value
+ # when the old one did not already exist in the file.
+ function replace_if_exists_or_add()
+ {
+ local file="$1"; shift
+ local phrase="$1"; shift
+ local replacement="$1"; shift
+ if [ -z "$file" -o ! -f "$file" -o -z "$phrase" -o -z "$replacement" ]; then
+ echo "replace_if_exists_or_add: needs a filename, a phrase to replace, and the"
+ echo "text to replace that phrase with."
+ return 1
+ fi
+ grep "$phrase" "$file" >/dev/null
+ # replace if the phrase is there, otherwise add it.
+ if [ $? -eq 0 ]; then
+ replace_pattern_in_file "$file" "$phrase" "$replacement"
+ else
+ # this had better be the complete line.
+ echo "$replacement" >>"$file"
+ fi
+ }
+
+ ############################
+
+ # finds a variable (first parameter) in a particular property file
+ # (second parameter). the expected format for the file is:
+ # varX=valueX
+ function seek_variable()
+ {
+ local find_var="$1"; shift
+ local file="$1"; shift
+ if [ -z "$find_var" -o -z "$file" -o ! -f "$file" ]; then
+ echo -e "seek_variable: needs two parameters, firstly a variable name, and\nsecondly a file where the variable's value will be sought." 1>&2
+ return 1
+ fi
+
+ while read line; do
+ if [ ${#line} -eq 0 ]; then continue; fi
+ # split the line into the variable name and value.
+ IFS='=' read -a assignment <<< "$line"
+ local var="${assignment[0]}"
+ local value="${assignment[1]}"
+ if [ "${value:0:1}" == '"' ]; then
+ # assume the entry was in quotes and remove them.
+ value="${value:1:$((${#value} - 2))}"
+ fi
+ if [ "$find_var" == "$var" ]; then
+ echo "$value"
+ fi
+ done < "$file"
+ }
+
+ # finds a variable (first parameter) in a particular XML format file
+ # (second parameter). the expected format for the file is:
+ # ... name="varX" value="valueX" ...
+ function seek_variable_in_xml()
+ {
+ local find_var="$1"; shift
+ local file="$1"; shift
+ if [ -z "$find_var" -o -z "$file" -o ! -f "$file" ]; then
+ echo "seek_variable_in_xml: needs two parameters, firstly a variable name, and"
+ echo "secondly an XML file where the variable's value will be sought."
+ return 1
+ fi
+
+ while read line; do
+ if [ ${#line} -eq 0 ]; then continue; fi
+ # process the line to make it more conventional looking.
+ line="$(echo "$line" | sed -e 's/.*name="\([^"]*\)" value="\([^"]*\)"/\1=\2/')"
+ # split the line into the variable name and value.
+ IFS='=' read -a assignment <<< "$line"
+ local var="${assignment[0]}"
+ local value="${assignment[1]}"
+ if [ "${value:0:1}" == '"' ]; then
+ # assume the entry was in quotes and remove them.
+ value="${value:1:$((${#value} - 2))}"
+ fi
+ if [ "$find_var" == "$var" ]; then
+ echo "$value"
+ fi
+ done < "$file"
+ }
+
+ ############################
+
+ # goes to a particular directory passed as parameter 1, and then removes all
+ # the parameters after that from that directory.
+ function push_whack_pop()
+ {
+ local dir="$1"; shift
+ pushd "$dir" &>/dev/null
+ if [ $? -ne 0 ]; then echo failed to enter dir--quitting.; fi
+ rm -rf $* &>/dev/null
+ if [ $? -ne 0 ]; then echo received a failure code when removing.; fi
+ popd &>/dev/null
+ }
+
+ function spacem()
+ {
+ while [ $# -gt 0 ]; do
+ arg="$1"; shift
+ if [ ! -f "$arg" -a ! -d "$arg" ]; then
+ echo "failure to find a file or directory named '$arg'."
+ continue
+ fi
+
+ # first we will capture the output of the character replacement operation for reporting.
+ # this is done first since some filenames can't be properly renamed in perl (e.g. if they
+ # have pipe characters apparently).
+ intermediate_name="$(bash "$FEISTY_MEOW_SCRIPTS/files/replace_spaces_with_underscores.sh" "$arg")"
+ local saw_intermediate_result=0
+ if [ -z "$intermediate_name" ]; then
+ # make sure we report something, if there are no further name changes.
+ intermediate_name="'$arg'"
+ else
+ # now zap the first part of the name off (since original name isn't needed).
+ intermediate_name="$(echo $intermediate_name | sed -e 's/.*=> //')"
+ saw_intermediate_result=1
+ fi
+
+ # first we rename the file to be lower case.
+ actual_file="$(echo $intermediate_name | sed -e "s/'\([^']*\)'/\1/")"
+ final_name="$(perl $FEISTY_MEOW_SCRIPTS/files/renlower.pl "$actual_file")"
+ local saw_final_result=0
+ if [ -z "$final_name" ]; then
+ final_name="$intermediate_name"
+ else
+ final_name="$(echo $final_name | sed -e 's/.*=> //')"
+ saw_final_result=1
+ fi
+#echo intermed=$saw_intermediate_result
+#echo final=$saw_final_result
+
+ if [[ $saw_intermediate_result != 0 || $saw_final_result != 0 ]]; then
+ # printout the combined operation results.
+ echo "'$arg' => $final_name"
+ fi
+ done
+ }
+
+ ##############
+
+# new breed of definer functions goes here. still in progress.
+
+ # defines an alias and remembers that this is a new or modified definition.
+ # if the feisty meow codebase is unloaded, then so are all the aliases that
+ # were defined.
+ function define_yeti_alias()
+ {
+# if alias exists already, save old value for restore,
+# otherwise save null value for restore,
+# have to handle unaliasing if there was no prior value of one
+# we newly defined.
+# add alias name to a list of feisty defined aliases.
+
+#hmmm: first implem, just do the alias and get that working...
+alias "${@}"
+
+
+return 0
+ }
+
+ ##############
+
+#hmmm: this points to an extended functions file being needed; not all of these are core.
+
+ # displays documentation in "md" formatted files.
+ function show_md()
+ {
+ local file="$1"; shift
+ pandoc "$file" | lynx -stdin
+ }
+
+ ##############
+
+ # just shows a separator line for an 80 column console, or uses the first
+ # parameter as the number of columns to expect.
+ function separator()
+ {
+ count=$1; shift
+ if [ -z "$count" ]; then
+ count=79
+ fi
+ echo
+ local i
+ for ((i=0; i < $count - 1; i++)); do
+ echo -n "="
+ done
+ echo
+ echo
+ }
+ # alias for separator.
+ function sep()
+ {
+ separator $*
+ }
+
+ ##############
+
+ # count the number of sub-directories in a directory and echo the result.
+ function count_directories()
+ {
+ local appsdir="$1"; shift
+ numdirs="$(find "$appsdir" -mindepth 1 -maxdepth 1 -type d | wc -l)"
+ echo $numdirs
+ }
+
+ # takes a string and capitalizes just the first character. any capital letters in the remainder of
+ # the string are made lower case. the processed string is returned by an echo.
+ function capitalize_first_char()
+ {
+ local to_dromedary="$1"; shift
+ to_dromedary="$(tr '[:lower:]' '[:upper:]' <<< ${to_dromedary:0:1})$(tr '[:upper:]' '[:lower:]' <<< ${to_dromedary:1})"
+ echo "$to_dromedary"
+ }
+
+ # given a source path and a target path, this will make a symbolic link from
+ # the source to the destination, but only if the source actually exists.
+ function make_safe_link()
+ {
+ local src="$1"; shift
+ local target="$1"; shift
+
+ if [ -d "$src" ]; then
+ ln -s "$src" "$target"
+ test_or_die "Creating symlink from '$src' to '$target'"
+ fi
+ echo "Created symlink from '$src' to '$target'."
+ }
+
+ # pretty prints the json files provided as parameters.
+ function clean_json()
+ {
+ if [ -z "$*" ]; then return; fi
+ local show_list=()
+ while true; do
+ local file="$1"; shift
+ if [ -z "$file" ]; then break; fi
+ if [ ! -f "$file" ]; then "echo File '$file' does not exist."; continue; fi
+ temp_out="$TMP/$file.view"
+ cat "$file" | python -m json.tool > "$temp_out"
+ show_list+=($temp_out)
+ test_or_continue "pretty printing '$file'"
+ done
+ filedump "${show_list[@]}"
+ rm "${show_list[@]}"
+ }
+
+ function json_text()
+ {
+ # only print our special headers or text fields.
+ local CR=$'\r'
+ local LF=$'\n'
+ clean_json $* |
+ grep -i "\"text\":\|^=.*" |
+ sed -e "s/\\\\r/$CR/g" -e "s/\\\\n/\\$LF/g"
+ }
+
+ ##############
+
+ # echoes the machine's hostname. can be used like so:
+ # local my_host=$(get_hostname)
+ function get_hostname()
+ {
+ # there used to be more variation in how to do this, but adopting mingw
+ # and cygwin tools really helped out.
+ local this_host=unknown
+ if [ "$OS" == "Windows_NT" ]; then
+ this_host=$(hostname)
+ elif [ ! -z "$(echo $MACHTYPE | grep apple)" ]; then
+ this_host=$(hostname)
+ elif [ ! -z "$(echo $MACHTYPE | grep suse)" ]; then
+ this_host=$(hostname --long)
+ elif [ -x "$(which hostname 2>/dev/null)" ]; then
+ this_host=$(hostname)
+ fi
+ echo "$this_host"
+ }
+
+ # makes sure that the provided "folder" is a directory and is writable.
+ function test_writeable()
+ {
+ local folder="$1"; shift
+ if [ ! -d "$folder" -o ! -w "$folder" ]; then return 1; fi
+ return 0
+ }
+
+ ##############
+
+ # given a filename and a string to seek and a number of lines, then this
+ # function will remove the first occurrence of a line in the file that
+ # matches the string, and it will also axe the next N lines as specified.
+ function create_chomped_copy_of_file()
+ {
+ local filename="$1"; shift
+ local seeker="$1"; shift
+ local numlines=$1; shift
+
+#echo into create_chomped_copy...
+#var filename seeker numlines
+
+ # make a backup first, oy.
+ \cp -f "$filename" "/tmp/$(basename ${filename}).bkup-${RANDOM}"
+ test_or_die "backing up file: $filename"
+
+ # make a temp file to write to before we move file into place in bind.
+ local new_version="/tmp/$(basename ${filename}).bkup-${RANDOM}"
+ \rm -f "$new_version"
+ test_or_die "cleaning out new version of file from: $new_version"
+
+ local line
+ local skip_count=0
+ local found_any=
+ while read line; do
+ # don't bother looking at the lines if we're already in skip mode.
+ if [[ $skip_count == 0 ]]; then
+ # find the string they're seeking.
+ if [[ ! "$line" =~ .*${seeker}.* ]]; then
+ # no match.
+ echo "$line" >> "$new_version"
+ else
+ # a match! start skipping. we will delete this line and the next N lines.
+ ((skip_count++))
+#echo first skip count is now $skip_count
+ found_any=yes
+ fi
+ else
+ # we're already skipping. let's keep going until we hit the limit.
+ ((skip_count++))
+#echo ongoing skip count is now $skip_count
+ if (( $skip_count > $numlines )); then
+ echo "Done skipping, and back to writing output file."
+ skip_count=0
+ fi
+ fi
+ done < "$filename"
+
+#echo file we created looks like this:
+#cat "$new_version"
+
+ if [ ! -z "$found_any" ]; then
+ # put the file back into place under the original name.
+ \mv "$new_version" "$filename"
+ test_or_die "moving the new version into place in: $filename"
+ else
+ # cannot always be considered an error, but we can at least gripe.
+ echo "Did not find any matches for seeker '$seeker' in file: $filename"
+ fi
+ }
+
+ ##############
+
+ # NOTE: no more function definitions are allowed after this point.
+
+ function function_sentinel()
+ {
+ return 0;
+ }
+
+ if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then echo "feisty meow function definitions done."; fi
+
+ ##############
+
+ # test code for set_var_if_undefined.
+ run_test=0
+ if [ $run_test != 0 ]; then
+ echo running tests on set_var_if_undefined.
+ flagrant=petunia
+ set_var_if_undefined flagrant forknordle
+ test_or_die "testing if defined variable would be whacked"
+ if [ $flagrant != petunia ]; then
+ echo set_var_if_undefined failed to leave the test variable alone
+ exit 1
+ fi
+ unset bobblehead_stomper
+ set_var_if_undefined bobblehead_stomper endurance
+ if [ $bobblehead_stomper != endurance ]; then
+ echo set_var_if_undefined failed to set a variable that was not defined yet
+ exit 1
+ fi
+ fi
+
+fi