64 lines
2.2 KiB
Bash
Executable File
64 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2010 Jon Disnard. All rights reserved.
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# Redistribution and use in source and binary forms, with or without modification, are
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# permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright notice, this list of
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# conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice, this list
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# of conditions and the following disclaimer in the documentation and/or other materials
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# provided with the distribution.
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# THIS SOFTWARE IS PROVIDED BY Jon Disnard ``AS IS'' AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# The views and conclusions contained in the software and documentation are those of the
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# authors and should not be interpreted as representing official policies, either expressed
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# or implied, of Jon Disnard.
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OIFS=$IFS
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IFS='/'
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count=0
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for I in $1; do
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if [ x"$I" = x".." ] || [ x"$I" = x"." ]; then
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P="$(pwd)/$1"
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else
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P="$1"
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fi
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break
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done
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for I in $P; do
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# Resolve relative path punctuation.
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if [ x"$I" = x"." ] || [ -z "$I" ]; then
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continue
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elif [ x"$I" = x".." ]; then
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FOO="${FOO%%/${FOO##*/}}"
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continue
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else
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FOO="${FOO}/${I}"
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fi
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# Dereference symbolic links.
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if [ -h "$FOO" ] && [ -x "/bin/ls" ]; then
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IFS=$OIFS
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set `/bin/ls -l "$FOO"`
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while shift ; do
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if [ "$1" = "->" ]; then
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FOO="$2"
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shift $#
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break
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fi
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done
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fi
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done
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IFS=$OIFS
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echo "$FOO"
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