cd "$1"
}
+ # returns true if the variable is an array.
function is_array() {
[[ "$(declare -p $1)" =~ "declare -a" ]]
}
+ # returns true if the name provided is a defined alias.
function is_alias() {
alias $1 &>/dev/null
return $?
}
+ # makes the status of pipe number N (passed as first parameter) into the
+ # main return value (i.e., the value for $?). this is super handy to avoid
+ # repeating the awkward looking code below in multiple places.
+ function promote_pipe_return()
+ {
+ ( exit ${PIPESTATUS[$1]} )
+ }
+
+ ##############
+
+ function fm_username()
+ {
+ # see if we can get the user name from the login name. oddly this sometimes doesn't work.
+ local custom_user="$(logname 2>/dev/null)"
+ if [ -z "$custom_user" ]; then
+ # try the normal unix user variable.
+ custom_user="$USER"
+ fi
+ if [ -z "$custom_user" ]; then
+ # try the windows user variable.
+ custom_user="$USERNAME"
+ fi
+ echo "$custom_user"
+ }
+
##############
# displays the value of a variable in bash friendly format.
# 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()
+ function exit_on_error()
{
if [ $? -ne 0 ]; then
- echo -e "\n\naction failed: $*\n\nExiting script..."
+ echo -e "\n\nan important action failed and this script will stop:\n\n$*\n\n*** Exiting script..."
error_sound
exit 1
fi
}
- # like test_or_die, but will keep going after complaining.
- function test_or_continue()
+ # like exit_on_error, but will keep going after complaining.
+ function continue_on_error()
{
if [ $? -ne 0 ]; then
- echo -e "\n\nerror occurred: $*\n\nContinuing script..."
+ echo -e "\n\na problem occurred, but we can continue:\n\n$*\n\n=> Continuing script..."
error_sound
fi
}
##############
+ # accepts any number of arguments and outputs them to the feisty meow event log.
+ function log_feisty_meow_event()
+ {
+ echo -e "$(date_stringer) -- ${USER}@$(hostname): $*" >> "$FEISTY_MEOW_EVENT_LOG"
+ }
+
+ ##############
+
# wraps secure shell with some parameters we like, most importantly to enable X forwarding.
function ssh()
{
# version for the other side (just 'linux'); we don't want the remote side still
# thinking it's running xterm.
save_terminal_title
- # 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="$TERM"
- export TERM=linux
+
+#hmmm: why were we doing this? it scorches the user's logged in session, leaving it without proper terminal handling.
+# # we save the value of TERM; we don't want to leave the user's terminal
+# # brain dead once we come back from this function.
+# local oldterm="$TERM"
+# export TERM=linux
+
/usr/bin/ssh -X -C "${args[@]}"
+
+# # restore the terminal variable also.
+# TERM="$oldterm"
+
restore_terminal_title
- # restore the terminal variable also.
- TERM="$oldterm"
+ if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then
+ echo TERM title restored to prior value
+ fi
}
##############
unalias CORE_ALIASES_LOADED &>/dev/null
unset -f function_sentinel
# reload feisty meow environment in current shell.
+ log_feisty_meow_event "reloading the feisty meow scripts for $USER in current shell."
source "$FEISTY_MEOW_SCRIPTS/core/launch_feisty_meow.sh"
# run nechung oracle to give user a new fortune.
nechung
restore_terminal_title
}
- # copies a set of custom scripts into the proper location for feisty meow
- # to merge their functions and aliases with the standard set.
+ # merges a set of custom scripts into the feisty meow environment. can be
+ # passed a name to use as the custom scripts source folder (found on path
+ # $FEISTY_MEOW_SCRIPTS/customize/{name}), or it will try to guess the name
+ # by using the login name.
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
+ # default to login name if there was no name provided.
+ custom_user="$(fm_username)"
+ # we do intend to use the login name here to get the login name and to ignore
+ # if the user has sudo root access; we don't want to provide a custom
+ # profile for root.
fi
save_terminal_title
if [ ! -d "$FEISTY_MEOW_SCRIPTS/customize/$custom_user" ]; then
- echo "The customization folder provided for $custom_user should be:"
- echo " '$FEISTY_MEOW_SCRIPTS/customize/$custom_user'"
- echo "but that folder does not exist. Skipping customization."
+ echo -e "the customization folder for '$custom_user' is missing:
+
+ $FEISTY_MEOW_SCRIPTS/customize/$custom_user
+
+we will skip recustomization, but these other customizations are available:
+"
+ # a little tr and sed magic to fix the carriage returns into commas.
+ local line="$(find $FEISTY_MEOW_SCRIPTS/customize -mindepth 1 -maxdepth 1 -type d -exec basename {} ';' | tr '\n' '&' | sed 's/&/, /g' | sed -e 's/, $//')"
+ # make the line feeds and carriage returns manageable with tr.
+ # convert the ampersand, our weird replacement for EOL, with a comma + space in sed.
+ # last touch with sed removes the last comma.
+ echo " $line"
return 1
fi
+
+ # recreate the feisty meow loading dock.
regenerate >/dev/null
- pushd "$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="\nare the perl dependencies installed? if you're on ubuntu or debian, try this:\n
- $(grep "apt.*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. $fail_message"
- echo
+
+ # jump into the loading dock and make our custom link.
+ pushd "$FEISTY_MEOW_LOADING_DOCK" &>/dev/null
+ if [ -h custom ]; then
+ # there's an existing link, so remove it.
+ \rm custom
+ fi
+ # make sure we cleaned up the area before we re-link.
+ if [ -h custom -o -d custom -o -f custom ]; then
+ echo "
+Due to an over-abundance of caution, we are not going to remove an unexpected
+'custom' object found in the file system. This object is located in the
+feisty meow loading dock here: $(pwd)
+And here is a description of the rogue 'custom' object:
+"
+ ls -al custom
+ echo "
+If you are pretty sure that this is just a remnant of an older approach in
+feisty meow, where we copied the custom directory rather than linking it
+(and it most likely is just such a bit of cruft of that nature), then please
+remove that old remnant 'custom' item, for example by saying:
+ /bin/rm -rf \"custom\" ; popd
+Sorry for the interruption, but we want to make sure this removal wasn't
+automatic if there is even a small amount of doubt about the issue."
+ return 1
fi
+
+ # create the custom folder as a link to the customizations.
+ ln -s "$FEISTY_MEOW_SCRIPTS/customize/$custom_user" custom
+
popd &>/dev/null
- 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
+ # now take into account all the customizations by regenerating the feisty meow environment.
regenerate
restore_terminal_title
echo $(which $to_find)
}
-#hmmm: improve this by not adding the link
-# if already there, or if the drive is not valid.
function add_cygwin_drive_mounts() {
for i in c d e f g h q z ; do
+#hmmm: improve this by not adding the link if already there, or if the drive is not valid.
ln -s /cygdrive/$i $i
done
}
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.
# 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)"
+ local subbydir="$1"; shift
+ numdirs="$(find "$subbydir" -mindepth 1 -maxdepth 1 -type d | wc -l)"
echo $numdirs
}
if [ -d "$src" ]; then
ln -s "$src" "$target"
- test_or_die "Creating symlink from '$src' to '$target'"
+ exit_on_error "Creating symlink from '$src' to '$target'"
fi
echo "Created symlink from '$src' to '$target'."
}
temp_out="$TMP/$file.view"
cat "$file" | python -m json.tool > "$temp_out"
show_list+=($temp_out)
- test_or_continue "pretty printing '$file'"
+ continue_on_error "pretty printing '$file'"
done
filedump "${show_list[@]}"
rm "${show_list[@]}"
##############
+ # 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}"
+ exit_on_error "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"
+ exit_on_error "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"
+ exit_on_error "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: $filename"
+ fi
+ }
+
+ ##############
+
+ # space 'em all: fixes naming for all of the files of the appropriate types
+ # in the directories specified.
+ function spacemall() {
+ local -a dirs=("${@}")
+ if [ ${#dirs[@]} -eq 0 ]; then
+ dirs=(.)
+ fi
+
+ local charnfile="$(mktemp $TMP/zz_charn.XXXXXX)"
+ find "${dirs[@]}" -follow -maxdepth 1 -mindepth 1 -type f | \
+ grep -i \
+"docx\|eml\|html\|jpeg\|jpg\|m4a\|mov\|mp3\|ods\|odt\|pdf\|png\|pptx\|txt\|xlsx\|zip" | \
+ sed -e 's/^/"/' | sed -e 's/$/"/' | \
+ xargs bash "$FEISTY_MEOW_SCRIPTS/files/spacem.sh"
+ # drop the temp file now that we're done.
+ rm "$charnfile"
+ }
+
+ ##############
+
+ # site avenger aliases
+ function switchto()
+ {
+ THISDIR="$FEISTY_MEOW_SCRIPTS/site_avenger"
+ source "$FEISTY_MEOW_SCRIPTS/site_avenger/shared_site_mgr.sh"
+ switch_to "$1"
+ }
+
+ ##############
+
# NOTE: no more function definitions are allowed after this point.
function function_sentinel()
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"
+ exit_on_error "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