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#!/bin/sh
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# dm 0.9 - Directory Manager
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# (Instructions below the license)
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# LICENSE
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# Copyright (C) 2007 LluĂs Batlle i Rossell
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# Instructions:
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# 'dm' will manage a list of id-directory. 'dmcd' will allow the current shell to
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# change to the directory given by 'id'.
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#
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# Examples:
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# $ dm 1 /tmp # Adds the id '1' for /tmp
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# $ dm 2 . # Adds the id '2' for the current dir
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# $ dmcd 1 # Goes to /tmp
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# $ dmcd 2 # Goes to what was your current dir
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# $ dm -d 2 # Deletes the entry for '2'.
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# $ dm # Shows your 'database'
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# 1 /tmp
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# $ dm -h # Shows help, and defines 'dmcd' for sh.
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#
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# In order to use 'dmcd', you should define the function
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# given by "dm -h" in your shell. Put it in your bashrc or
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# a file like that.
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#
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# Your directory database is stored in ~/.dm .
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function showdirs
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{
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if [ -f ~/.dm ] ; then
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cat ~/.dm | sort -n
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0
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fi
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}
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function testdir
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{
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if [ -f ~/.dm ] ; then
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grep "^$1 " ~/.dm > /dev/null 2> /dev/null
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else
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return 1
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fi
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}
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function deldir
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{
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# Remove the old def
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if [ -f ~/.dm ] ; then
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sed -i "/^$1\t/d" ~/.dm
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fi
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}
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function setdir
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{
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# Remove the old def
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deldir $1
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NEWDIR=`getpath "$2"`
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# Add new
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echo "$1 $NEWDIR" >> ~/.dm
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}
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function getdir
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{
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if [ -f ~/.dm ] ; then
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grep "^$1 " ~/.dm | sed 's/^[^\t]*\t//'
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else
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return 1
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fi
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}
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function showhelp
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{
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echo "usage: $0 [ -l | -d id | -t id | id | id newdir ]"
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echo 'For sh: function dmcd { dm -t $1 && cd `dm $1`; }'
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}
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function getpath
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{
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OLD=`pwd`
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cd "$1"
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pwd
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cd "$OLD"
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}
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# dm -t $1 && cd `dm $1`
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if [ $# -lt 1 ]; then
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showdirs
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elif [ $1 == "-l" ]; then
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showdirs
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elif [ $1 == "-h" ]; then
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showhelp
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elif [ $1 == "-d" ]; then
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deldir $2
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elif [ $1 == "-t" ]; then
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testdir $2
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elif [ $# -eq 2 ]; then
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setdir $1 $2
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elif [ $# -eq 1 ]; then
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getdir $1
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fi
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