143 lines
3.9 KiB
Bash
143 lines
3.9 KiB
Bash
# * g (goto directory) - bookmark directories in Bash.
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# * versuion: 0.2
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# This is free and unencumbered software released into the public domain.
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#
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# Anyone is free to copy, modify, publish, use, compile, sell, or
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# distribute this software, either in source code form or as a compiled
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# binary, for any purpose, commercial or non-commercial, and by any
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# means.
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#
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# In jurisdictions that recognize copyright laws, the author or authors
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# of this software dedicate any and all copyright interest in the
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# software to the public domain. We make this dedication for the benefit
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# of the public at large and to the detriment of our heirs and
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# successors. We intend this dedication to be an overt act of
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# relinquishment in perpetuity of all present and future rights to this
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# software under copyright law.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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#
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# For more information, please refer to <http://unlicense.org/>
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_goto_cd() {
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##### cd into directory #####
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if [ ! -d "$1" ]; then
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echo "goto: no such directory $1" >&2
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return 1
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fi
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if cd -- "$1" > /dev/null; then
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echo "$1"
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else
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echo -e "\bgoto: cannot cd into $1" >&2
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fi
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return "$?"
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}
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_goto_prompt() {
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##### Prompt and cd #####
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# Exit if no dirs in ~/.goto_saved
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if [ "${#dirs[@]}" -eq 0 ] || [[ "${dirs[@]}" == '' ]]; then
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echo goto: nothing to do; return 1
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fi
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# cd into dir without prompt if you have single directory
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# in ~/.goto_saved
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if [ "${#dirs[@]}" -eq 1 ]; then
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_goto_cd "${dirs[@]}" && return 0
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fi
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# Print directory list
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for i in "${!dirs[@]}"; do
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echo -e "$i\t${dirs[$i]%%+(/)}/" | sed "s%${HOME}%~%"
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done
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# Count digits in number of dirs for 'read'
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local dirscount="$((${#dirs[@]}-1))"
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local numlen="${#dirscount}"
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# Read input to 'num' and set 'target' directory
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read -r -n "$numlen" -p ': ' num
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if [[ "$num" =~ [0-9]+ ]]; then
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target="${dirs[$num]}";
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# Print new line to prevent line concatenation
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[ "${#num}" -eq "$numlen" ] && echo
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elif [[ "$num" == '' ]]; then
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return 1 # Just exit if you press Enter.
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else
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# Print new line and exit if printable chars passed.
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# E.g. new line will be printed if you type 'q'.
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echo; return 1
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fi
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# cd into directory
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_goto_cd "$target"
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}
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_goto_search() {
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grep -iP "$1" ~/.goto_saved
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}
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_goto() {
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##### Main function #####
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# Get directory list ('dirs' array)
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dirs=()
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if [ -f ~/.goto_saved ]; then
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if [ "$1" ]; then
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# Search dirs with Perl regex
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_source="$(_goto_search "$1")"
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else
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# Load all directories
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_source="$(<~/.goto_saved)"
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fi
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while read -r dir; do
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dirs+=("$dir")
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done <<< "$_source"
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fi
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_goto_prompt # prompt and cd
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}
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_goto_save() {
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##### Save PWD or 1 to ~/.goto_saved file #####
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local dir
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if [ "$1" ]; then
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dir="$1"
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else
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dir="$PWD"
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fi
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# Exit if directory is already in ~/.goto_saved
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if grep "^${dir%%+(/)}\$" ~/.goto_saved > /dev/null; then
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return 1
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fi
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# Save directory
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if echo "${dir%%+(/)}" >> ~/.goto_saved; then
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echo "$dir"
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fi
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}
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_goto_complete() {
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# Autocomplete directory by pattern
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local pattern=${COMP_WORDS[COMP_CWORD]}
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local IFS=$'\n'
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COMPREPLY=($(compgen -W "$(printf "%s\n" "$(_goto_search "$pattern")")" -- ''))
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}
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complete -F _goto_complete g
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alias g='_goto'
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alias g-save='_goto_save'
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