+
+ # now take into account all the customizations by regenerating the feisty meow environment.
+ regenerate
+
+ 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 $to_find)
+ }
+
+ function add_cygwin_drive_mounts() {
+ for i in c d e f g h q z ; do
+#hmmm: improve this by not adding the link if already there, or if the drive is not valid.
+ ln -s /cygdrive/$i $i
+ done
+ }
+
+ ############################
+
+ # 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 [ $? -ne 0 ]; then echo received a failure code when removing.; fi
+ popd &>/dev/null
+ }
+
+ ##############
+
+# new breed of definer functions goes here. still in progress.
+
+ # defines an alias and remembers that this is a new or modified definition.
+ # if the feisty meow codebase is unloaded, then so are all the aliases that
+ # were defined.
+ function define_yeti_alias()
+ {
+# if alias exists already, save old value for restore,
+# otherwise save null value for restore,
+# have to handle unaliasing if there was no prior value of one
+# we newly defined.
+# add alias name to a list of feisty defined aliases.
+
+#hmmm: first implem, just do the alias and get that working...
+alias "${@}"
+
+
+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 subbydir="$1"; shift
+ numdirs="$(find "$subbydir" -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"
+ exit_on_error "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+=($temp_out)
+ continue_on_error "pretty printing '$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}"
+ 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 \
+"doc\|docx\|eml\|html\|jpeg\|jpg\|m4a\|mov\|mp3\|ods\|odt\|pdf\|png\|ppt\|pptx\|txt\|vsd\|vsdx\|xls\|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 "$1"
+ }
+
+ ##############
+
+ # NOTE: no more function definitions are allowed after this point.
+
+ function function_sentinel()
+ {
+ return 0;
+ }
+
+ if [ ! -z "$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
+ 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
+ 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