# * g (goto directory) - bookmark directories in shell. # * version: 0.3 # This is free and unencumbered software released into the public domain. # # Anyone is free to copy, modify, publish, use, compile, sell, or # distribute this software, either in source code form or as a compiled # binary, for any purpose, commercial or non-commercial, and by any # means. # # In jurisdictions that recognize copyright laws, the author or authors # of this software dedicate any and all copyright interest in the # software to the public domain. We make this dedication for the benefit # of the public at large and to the detriment of our heirs and # successors. We intend this dedication to be an overt act of # relinquishment in perpetuity of all present and future rights to this # software under copyright law. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. # IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR # OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR # OTHER DEALINGS IN THE SOFTWARE. # # For more information, please refer to _g_file=~/.g _read_char() { # Read number of chars into variable # Usage: _read_char VAR NUM stty -icanon eval "$1=\$(dd bs=1 count="$2" 2>/dev/null)" stty icanon echo } _g_cd() { # cd into directory if [ ! -d "$1" ]; then printf 'g: no such directory %s\n' "$1" >&2 return 1 fi if cd -- "$1" > /dev/null; then echo "$1" else printf '\bg: cannot cd into %s\n' "$1" >&2 fi return "$?" } _g_prompt() { # Prompt and cd # Exit if no dirs in $_g_file if [ "$#" -eq 0 ] || [ "$*" = '' ]; then echo goto: nothing to do; return 1 fi # cd into dir without prompt if you have single directory # in $_g_file if [ "$(echo "$*" | wc -l)" -eq 1 ]; then _g_cd "$*" && return 0 fi # Print directory list i=0 echo "$*" | while read -r dir; do dir="$(echo "$dir" | sed "s%$HOME%~%")" printf '%s\t%s\n' "$i" "$dir" i=$((i+1)) done # Input target dir number dirs_num="$(echo "$*" | wc -l)" num_len="${#dirs_num}" printf '%s' ": " _read_char _num "$num_len" if echo "$_num" | grep -E '[0-9]+' >/dev/null; then _target_dir="$(echo "$*" | awk -v line="$((_num+1))" 'NR==line {print}')" # Print new line to prevent line concatenation [ "${#_num}" -eq "$num_len" ] && echo elif [ "$_num" = '' ]; then return 1 # Just exit if you press Enter. else # Print new line and exit if printable chars passed. # E.g. new line will be printed if you type 'q'. echo; return 1 fi # cd into directory _g_cd "$_target_dir" } _g_search() { grep -iP "$1" "$_g_file" } _g() { # Main function # Get directory list ('dirs' array) if [ -f "$_g_file" ]; then if [ "$1" ]; then # Search dirs with Perl regex _dirs="$(_g_search "$1")" else # Load all directories _dirs="$(cat "$_g_file")" fi fi _g_prompt "$_dirs" # prompt and cd } _g_save() { # Save dir in $_g_file if [ -n "$1" ]; then _dir="$1" else _dir="$PWD" fi # Exit if directory is already in $_g_file if grep "^${_dir%%+(/)}\$" "$_g_file" >/dev/null 2>&1; then return 1 fi # Save directory if echo "${_dir%%+(/)}" >> "$_g_file"; then echo "$_dir" fi } if type complete >/dev/null 2>&1; then # Bash completion _g_complete_bash() { _pattern=${COMP_WORDS[COMP_CWORD]} COMPREPLY=($(compgen -W \ "$(printf "%s\n" "$(_g_search "$_pattern")")" -- '')) } complete -F _g_complete_bash g else : fi alias g='_g' alias g_save='_g_save'