40 lines
1.1 KiB
Bash
40 lines
1.1 KiB
Bash
# vim:et:ft=sh:sts=2:sw=2
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#
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# Copyright 2008 Kate Ward. All Rights Reserved.
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# Released under the LGPL (GNU Lesser General Public License).
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#
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# Author: kate.ward@forestent.com (Kate Ward)
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#
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# Library of shell functions.
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# Convert a relative path into it's absolute equivalent.
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#
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# This function will automatically prepend the current working directory if the
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# path is not already absolute. It then removes all parent references (../) to
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# reconstruct the proper absolute path.
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#
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# Args:
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# shlib_path_: string: relative path
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# Outputs:
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# string: absolute path
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shlib_relToAbsPath()
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{
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shlib_path_=$1
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# prepend current directory to relative paths
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echo "${shlib_path_}" |grep '^/' >/dev/null 2>&1 \
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|| shlib_path_="${PWD}/${shlib_path_}"
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# clean up the path. if all seds supported true regular expressions, then
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# this is what it would be:
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shlib_old_=${shlib_path_}
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while true; do
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shlib_new_=`echo "${shlib_old_}" |sed 's/[^/]*\/\.\.\/*//;s/\/\.\//\//'`
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[ "${shlib_old_}" = "${shlib_new_}" ] && break
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shlib_old_=${shlib_new_}
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done
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echo "${shlib_new_}"
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unset shlib_path_ shlib_old_ shlib_new_
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}
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