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September 27, 2013 07:21
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bashmarks.sh
一个shell下的书签,可以把目录保存为书签,方便跳转
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# Copyright (c) 2010, Huy Nguyen, http://www.huyng.com | |
# All rights reserved. | |
# | |
# Redistribution and use in source and binary forms, with or without modification, are permitted provided | |
# that the following conditions are met: | |
# | |
# * Redistributions of source code must retain the above copyright notice, this list of conditions | |
# and the following disclaimer. | |
# * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the | |
# following disclaimer in the documentation and/or other materials provided with the distribution. | |
# * Neither the name of Huy Nguyen nor the names of contributors | |
# may be used to endorse or promote products derived from this software without | |
# specific prior written permission. | |
# | |
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED | |
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR | |
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED | |
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
# POSSIBILITY OF SUCH DAMAGE. | |
# USAGE: | |
# s bookmarkname - saves the curr dir as bookmarkname | |
# g bookmarkname - jumps to the that bookmark | |
# g b[TAB] - tab completion is available | |
# p bookmarkname - prints the bookmark | |
# p b[TAB] - tab completion is available | |
# d bookmarkname - deletes the bookmark | |
# d [TAB] - tab completion is available | |
# l - list all bookmarks | |
# setup file to store bookmarks | |
if [ ! -n "$SDIRS" ]; then | |
SDIRS=~/.sdirs | |
fi | |
touch $SDIRS | |
RED="0;31m" | |
GREEN="0;33m" | |
# save current directory to bookmarks | |
function s { | |
check_help $1 | |
_bookmark_name_valid "$@" | |
if [ -z "$exit_message" ]; then | |
_purge_line "$SDIRS" "export DIR_$1=" | |
CURDIR=$(echo $PWD| sed "s#^$HOME#\$HOME#g") | |
echo "export DIR_$1=\"$CURDIR\"" >> $SDIRS | |
fi | |
} | |
# jump to bookmark | |
function g { | |
check_help $1 | |
source $SDIRS | |
target="$(eval $(echo echo $(echo \$DIR_$1)))" | |
if [ -d "$target" ]; then | |
cd "$target" | |
elif [ ! -n "$target" ]; then | |
echo -e "\033[${RED}WARNING: '${1}' bashmark does not exist\033[00m" | |
else | |
echo -e "\033[${RED}WARNING: '${target}' does not exist\033[00m" | |
fi | |
} | |
# print bookmark | |
function p { | |
check_help $1 | |
source $SDIRS | |
echo "$(eval $(echo echo $(echo \$DIR_$1)))" | |
} | |
# delete bookmark | |
function d { | |
check_help $1 | |
_bookmark_name_valid "$@" | |
if [ -z "$exit_message" ]; then | |
_purge_line "$SDIRS" "export DIR_$1=" | |
unset "DIR_$1" | |
fi | |
} | |
# print out help for the forgetful | |
function check_help { | |
if [ "$1" = "-h" ] || [ "$1" = "-help" ] || [ "$1" = "--help" ] ; then | |
echo '' | |
echo 's <bookmark_name> - Saves the current directory as "bookmark_name"' | |
echo 'g <bookmark_name> - Goes (cd) to the directory associated with "bookmark_name"' | |
echo 'p <bookmark_name> - Prints the directory associated with "bookmark_name"' | |
echo 'd <bookmark_name> - Deletes the bookmark' | |
echo 'l - Lists all available bookmarks' | |
kill -SIGINT $$ | |
fi | |
} | |
# list bookmarks with dirnam | |
function l { | |
check_help $1 | |
source $SDIRS | |
# if color output is not working for you, comment out the line below '\033[1;32m' == "red" | |
env | sort | awk '/DIR_.+/{split(substr($0,5),parts,"="); printf("\033[0;33m%-20s\033[0m %s\n", parts[1], parts[2]);}' | |
# uncomment this line if color output is not working with the line above | |
# env | grep "^DIR_" | cut -c5- | sort |grep "^.*=" | |
} | |
# list bookmarks without dirname | |
function _l { | |
source $SDIRS | |
env | grep "^DIR_" | cut -c5- | sort | grep "^.*=" | cut -f1 -d "=" | |
} | |
# validate bookmark name | |
function _bookmark_name_valid { | |
exit_message="" | |
if [ -z $1 ]; then | |
exit_message="bookmark name required" | |
echo $exit_message | |
elif [ "$1" != "$(echo $1 | sed 's/[^A-Za-z0-9_]//g')" ]; then | |
exit_message="bookmark name is not valid" | |
echo $exit_message | |
fi | |
} | |
# completion command | |
function _comp { | |
local curw | |
COMPREPLY=() | |
curw=${COMP_WORDS[COMP_CWORD]} | |
COMPREPLY=($(compgen -W '`_l`' -- $curw)) | |
return 0 | |
} | |
# ZSH completion command | |
function _compzsh { | |
reply=($(_l)) | |
} | |
# safe delete line from sdirs | |
function _purge_line { | |
if [ -s "$1" ]; then | |
# safely create a temp file | |
t=$(mktemp -t bashmarks.XXXXXX) || exit 1 | |
trap "rm -f -- '$t'" EXIT | |
# purge line | |
sed "/$2/d" "$1" > "$t" | |
mv "$t" "$1" | |
# cleanup temp file | |
rm -f -- "$t" | |
trap - EXIT | |
fi | |
} | |
# bind completion command for g,p,d to _comp | |
if [ $ZSH_VERSION ]; then | |
compctl -K _compzsh g | |
compctl -K _compzsh p | |
compctl -K _compzsh d | |
else | |
shopt -s progcomp | |
complete -F _comp g | |
complete -F _comp p | |
complete -F _comp d | |
fi |
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