X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=scripts%2Fcore%2Ffunctions.sh;h=d098f8e7461e19def5bffb7752b086183919f62f;hb=2c8ab3825d321561c22e4759ed7d70d9bc50877e;hp=924266dc781f911ae5ec5c7f382e955ae22f5176;hpb=de69513cea7b1ce2e300083b775cf8ab372d3b9b;p=feisty_meow.git diff --git a/scripts/core/functions.sh b/scripts/core/functions.sh index 924266dc..d098f8e7 100644 --- a/scripts/core/functions.sh +++ b/scripts/core/functions.sh @@ -8,16 +8,17 @@ 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 functions.sh because already defined. + echo "skipping function definitions, because already defined." fi skip_all=yes fi if [ -z "$skip_all" ]; then + if [ ! -z "$SHELL_DEBUG" ]; then - echo function definitions begin... + echo "feisty meow function definitions beginning now..." fi - + # 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() { @@ -33,35 +34,92 @@ if [ -z "$skip_all" ]; then cd "$1" } - # checks the result of the last command that was run, and if it failed, + function is_array() { + [[ "$(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=${!varname}" + fi + fi + done + IFS="$HOLDIFS" + } + + 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 + } + + # 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 check_result() { if [ $? -ne 0 ]; then echo -e "failed on: $*" + error_sound exit 1 fi } # locates a process given a search pattern to match in the process list. function psfind() { + local -a patterns=("${@}") local PID_DUMP="$(mktemp "$TMP/zz_pidlist.XXXXXX")" - local PIDS_SOUGHT=() - local patterns=($*) + local -a PIDS_SOUGHT if [ "$OS" == "Windows_NT" ]; then # needs to be a windows format filename for 'type' to work. 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. + # 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. - # this does not exist on windows home edition. we are hosed if that's - # what they insist on testing on. + # 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 "$tmppid" local flag='/c' if [ ! -z "$(uname -a | grep "^MING" )" ]; then @@ -70,18 +128,11 @@ if [ -z "$skip_all" ]; then # we 'type' the file to get rid of the unicode result from wmic. cmd $flag type "$tmppid" >$PID_DUMP \rm "$tmppid" - local CR=' ' # embedded carriage return. - local appropriate_pattern="s/^.* *\([0-9][0-9]*\)[ $CR]*\$/\1/p" + local appropriate_pattern="s/^.* *\([0-9][0-9]*\) *\$/\1/p" for i in "${patterns[@]}"; do - PIDS_SOUGHT+=$(cat $PID_DUMP \ + PIDS_SOUGHT+=($(cat $PID_DUMP \ | grep -i "$i" \ - | sed -n -e "$appropriate_pattern") - if [ ${#PIDS_SOUGHT[*]} -ne 0 ]; then - # we want to bail as soon as we get matches, because on the same - # platform, the same set of patterns should work to find all - # occurrences of the genesis java. - break; - fi + | sed -n -e "$appropriate_pattern")) done else /bin/ps $extra_flags wuax >$PID_DUMP @@ -91,19 +142,18 @@ if [ -z "$skip_all" ]; then # user wants to find, and just pluck the process ids out of the # results. for i in "${patterns[@]}"; do - PIDS_SOUGHT=$(cat $PID_DUMP \ + PIDS_SOUGHT+=($(cat $PID_DUMP \ | sed -e '1d' \ | grep -i "$i" \ - | sed -n -e "$appropriate_pattern") - if [ ${#PIDS_SOUGHT[*]} -ne 0 ]; then - # we want to bail as soon as we get matches, because on the same - # platform, the same set of patterns should work to find all - # occurrences of the genesis java. - break; - fi + | sed -n -e "$appropriate_pattern")) done fi - if [ ! -z "$PIDS_SOUGHT" ]; then echo "$PIDS_SOUGHT"; fi + 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 $PID_DUMP } @@ -114,13 +164,13 @@ if [ -z "$skip_all" ]; then echo "psa finds processes by pattern, but there was no pattern on the command line." return 1 fi - p=$(psfind "$1") + p=$(psfind "${@}") if [ -z "$p" ]; then # no matches. return 0 fi echo "" - echo "Processes containing \"$1\"..." + echo "Processes matching ${@}..." echo "" if [ -n "$IS_DARWIN" ]; then unset fuzil_sentinel @@ -230,7 +280,7 @@ if [ -z "$skip_all" ]; then # label if they're doing an su with the sudo. function sudo() { local first_command="$1" - /usr/bin/sudo $* + /usr/bin/sudo "$@" if [ "$first_command" == "su" ]; then # yep, they were doing an su, but they're back now. bash $FEISTY_MEOW_SCRIPTS/tty/label_terminal_with_infos.sh @@ -259,8 +309,20 @@ if [ -z "$skip_all" ]; then # recreates all the generated files that the feisty meow scripts use. function regenerate() { + # do the bootstrapping process again. + echo "regenerating feisty meow script environment." bash $FEISTY_MEOW_SCRIPTS/core/bootstrap_shells.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 + unset -f function_sentinel + # reload feisty meow environment in current shell. + source $FEISTY_MEOW_SCRIPTS/core/launch_feisty_meow.sh + # run nechung oracle to give user a new fortune. nechung } @@ -275,6 +337,20 @@ if [ -z "$skip_all" ]; then 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 $to_find) + } + # copies a set of custom scripts into the proper location for feisty meow # to merge their functions and aliases with the standard set. function recustomize() @@ -302,12 +378,66 @@ if [ -z "$skip_all" ]; then 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 + echo "copying custom scripts for $user" + \cp -R "$FEISTY_MEOW_DIR/customizing/$user/scripts" "$FEISTY_MEOW_GENERATED/custom/" + fi + echo regenerate } +#uhhh, this does what now? + 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" + } + + 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 rename the file to be lower case. + perl $FEISTY_MEOW_SCRIPTS/files/renlower.pl "$arg" &>/dev/null + # oops, now the name is all lower-case. we need to make the + # same adjustment. + arg2="$(echo "$arg" | tr A-Z a-z)" + # we definitely wanted to adjust the case first, rather than doing all + # the wacky stuff this script does to the filename... we will capture + # the output of the replace operaton for reporting. + final_name="$(perl "$FEISTY_MEOW_SCRIPTS/files/replace_spaces_with_underscores.sh" "$arg2")" + # now zap the intermediate part of the name off. + final_name="$(echo $final_name | sed -e 's/.*=> //')" + # printout the combined operation results. + echo "'$arg' => $final_name" + done + } + + ############## + function function_sentinel() { return 0; } - if [ ! -z "$SHELL_DEBUG" ]; then echo function definitions end....; fi + if [ ! -z "$SHELL_DEBUG" ]; then echo "feisty meow function definitions done."; fi fi