# test whether we've been here before or not.
skip_all=
-function_sentinel &>/dev/null
+type function_sentinel &>/dev/null
if [ $? -eq 0 ]; then
# there was no error, so we can skip the inits.
if [ ! -z "$SHELL_DEBUG" ]; then
echo "skipping function definitions, because already defined."
fi
skip_all=yes
+else
+ skip_all=
fi
if [ -z "$skip_all" ]; then
echo "$varname=${!varname}"
fi
fi
- done
+ done | sort
IFS="$HOLDIFS"
}
+ # 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 "$CLAM_FINISH_SOUND" ]; then
local PID_DUMP="$(mktemp "$TMP/zz_pidlist.XXXXXX")"
local -a PIDS_SOUGHT
- if [ "$OS" == "Windows_NT" ]; then
-#hmmm: windows isn't implementing the user flag yet!
-#try collapsing back to the ps implementation from cygwin?
-# that would simplify things a lot, if we can get it to print the right output.
+ 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/ *\([0-9][0-9]*\) *.*$/\1/p'
- # windows case has some odd gyrations to get the user list.
- if [ ! -d c:/tmp ]; then
- mkdir c:/tmp
- fi
- # windows7 magical mystery tour lets us create a file c:\\tmp_pids.txt, but then it's not
- # really there in the root of drive c: when we look for it later. hoping to fix that
- # problem by using a subdir, which also might be magical thinking from windows perspective.
- tmppid=c:\\tmp\\pids.txt
- # we have abandoned all hope of relying on ps on windows. instead we use wmic to get full
- # command lines for processes.
- wmic /locale:ms_409 PROCESS get processid,commandline </dev/null >"$tmppid"
- local flag='/c'
- if [ ! -z "$(uname -a | grep "^MING" )" ]; then
- flag='//c'
- fi
- # we 'type' the file to get rid of the unicode result from wmic.
- # needs to be a windows format filename for 'type' to work.
- cmd $flag type "$tmppid" >$PID_DUMP
- \rm "$tmppid"
- local pid_finder_pattern='s/^.*[[:space:]][[:space:]]*\([0-9][0-9]*\) *\$/\1/p'
- local i
- for i in "${patterns[@]}"; do
- PIDS_SOUGHT+=($(cat $PID_DUMP \
- | grep -i "$i" \
- | sed -n -e "$pid_finder_pattern"))
- done
else
- /bin/ps $user_flag -o pid,args >$PID_DUMP
+ # flags which clean up the output on unixes, which apparently cygwin
+ # doesn't count as. their crappy specialized ps doesn't support this.
+ 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 ====
- # pattern to use for peeling off the process numbers.
- local pid_finder_pattern='s/^[[:space:]]*\([0-9][0-9]*\).*$/\1/p'
- # remove the first line of the file, search for the pattern the
- # user wants to find, and just pluck the process ids out of the
- # results.
- local i
- for i in "${patterns[@]}"; do
-#echo pattern is $i
-#echo phase 1: $(cat $PID_DUMP | sed -e '1d' )
-#echo phase 2: $(cat $PID_DUMP | sed -e '1d' | grep -i "$i" )
- PIDS_SOUGHT+=($(cat $PID_DUMP \
- | sed -e '1d' \
- | grep -i "$i" \
- | sed -n -e "$pid_finder_pattern"))
- done
+
+ # search for the pattern the user wants to find, and just pluck the process
+ # ids out of the results.
+ local i
+ for i in "${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 ====
- fi
+
if [ ${#PIDS_SOUGHT[*]} -ne 0 ]; then
local PIDS_SOUGHT2=$(printf -- '%s\n' ${PIDS_SOUGHT[@]} | sort | uniq)
PIDS_SOUGHT=()
# special case for windows.
ps | head -1
for curr in $p; do
- ps -W | grep "$curr"
+ ps -W -p $curr | tail -n +2
done
else
# normal OSes can handle a nice simple query.
if [ -z "$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/bootstrap_build.sh"
+ echo "bash $FEISTY_MEOW_SCRIPTS/generator/produce_feisty_meow.sh"
else
$wheres_nechung
fi
function regenerate() {
# do the bootstrapping process again.
echo "regenerating feisty meow script environment."
- bash $FEISTY_MEOW_SCRIPTS/core/bootstrap_shells.sh
+ bash $FEISTY_MEOW_SCRIPTS/core/reconfigure_feisty_meow.sh
echo
- # force a full reload by turning off sentinel variable and alias.
- # the nethack one is used by fred's customizations.
- # interesting note perhaps: found that the NETHACKOPTIONS variable was
- # not being unset correctly when preceded by an alias. split them up
- # like they are now due to that bug.
- unset -v CORE_ALIASES_LOADED FEISTY_MEOW_GENERATED NECHUNG NETHACKOPTIONS
+ # 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
unset -f function_sentinel
# reload feisty meow environment in current shell.
source $FEISTY_MEOW_SCRIPTS/core/launch_feisty_meow.sh
nechung
}
- # 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 $to_find)
- }
-
# copies a set of custom scripts into the proper location for feisty meow
# to merge their functions and aliases with the standard set.
function recustomize()
# use our default example user if there was no name provided.
user=fred
fi
- if [ ! -d "$FEISTY_MEOW_DIR/customizing/$user" ]; then
+ if [ ! -d "$FEISTY_MEOW_APEX/customize/$user" ]; then
echo "The customization folder provided for $user should be:"
- echo " '$FEISTY_MEOW_DIR/customizing/$user'"
+ echo " '$FEISTY_MEOW_APEX/customize/$user'"
echo "but that folder does not exist. Skipping customization."
return 1
fi
regenerate >/dev/null
- pushd "$FEISTY_MEOW_GENERATED/custom" &>/dev/null
- local incongruous_files="$(bash "$FEISTY_MEOW_SCRIPTS/files/list_non_dupes.sh" "$FEISTY_MEOW_DIR/customizing/$user" "$FEISTY_MEOW_GENERATED/custom")"
- if [ ${#incongruous_files} -ge 1 ]; then
+ pushd "$FEISTY_MEOW_LOADING_DOCK/custom" &>/dev/null
+ incongruous_files="$(bash "$FEISTY_MEOW_SCRIPTS/files/list_non_dupes.sh" "$FEISTY_MEOW_APEX/customize/$user" "$FEISTY_MEOW_LOADING_DOCK/custom")"
+
+ #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
echo
fi
popd &>/dev/null
echo "copying custom overrides for $user"
- mkdir "$FEISTY_MEOW_GENERATED/custom" 2>/dev/null
- perl "$FEISTY_MEOW_SCRIPTS/text/cpdiff.pl" "$FEISTY_MEOW_DIR/customizing/$user" "$FEISTY_MEOW_GENERATED/custom"
- if [ -d "$FEISTY_MEOW_DIR/customizing/$user/scripts" ]; then
+ mkdir -p "$FEISTY_MEOW_LOADING_DOCK/custom" 2>/dev/null
+ perl "$FEISTY_MEOW_SCRIPTS/text/cpdiff.pl" "$FEISTY_MEOW_APEX/customize/$user" "$FEISTY_MEOW_LOADING_DOCK/custom"
+ if [ -d "$FEISTY_MEOW_APEX/customize/$user/scripts" ]; then
echo "copying custom scripts for $user"
- \cp -R "$FEISTY_MEOW_DIR/customizing/$user/scripts" "$FEISTY_MEOW_GENERATED/custom/"
+ \cp -R "$FEISTY_MEOW_APEX/customize/$user/scripts" "$FEISTY_MEOW_LOADING_DOCK/custom/"
fi
echo
regenerate
}
-#uhhh, this does what now?
+ # 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 $i
done
}
+ ############################
+
# takes a file to modify, and then it will replace any occurrences of the
# pattern provided as the second parameter with the text in the third
# parameter.
sed -i -e "s%$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 [ $# -gt 0 ]; do
# this is done first since some filenames can't be properly renamed in perl (e.g. if they
# have pipe characters apparently).
intermediate_name="$(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'"
+ 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=$saw_final_result
- # printout the combined operation results.
- echo "'$arg' => $final_name"
+ if [[ $saw_intermediate_result != 0 || $saw_final_result != 0 ]]; then
+ # printout the combined operation results.
+ echo "'$arg' => $final_name"
+ fi
done
}
##############
- function function_sentinel() { return 0; }
+ # 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 $*
+ }
+
+ ##############
+
+ function function_sentinel()
+ {
+ return 0;
+ }
if [ ! -z "$SHELL_DEBUG" ]; 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
+ check_result "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