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author | Kate Ward <kate.ward@forestent.com> | 2016-01-10 16:53:04 +0100 |
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committer | Kate Ward <kate.ward@forestent.com> | 2016-01-10 16:53:04 +0100 |
commit | 4b66ecdc0d3f6b89d3132b75f5aca1773a29a1a3 (patch) | |
tree | 9668b6e23a484f660f25ff34c98876db0276ffe6 /lib/shlib | |
parent | b11509fad7f5e9e66a734116fcec7c418419ee1f (diff) | |
download | shflags-4b66ecdc0d3f6b89d3132b75f5aca1773a29a1a3.tar.gz |
restructured source for GitHub
Diffstat (limited to 'lib/shlib')
-rw-r--r-- | lib/shlib | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/shlib b/lib/shlib new file mode 100644 index 0000000..d294636 --- /dev/null +++ b/lib/shlib @@ -0,0 +1,40 @@ +# $Id: shlib 14 2007-02-18 19:43:41Z sfsetse $ +# vim:et:ft=sh:sts=2:sw=2 +# +# Copyright 2011 Kate Ward. All Rights Reserved. +# Released under the LGPL (GNU Lesser General Public License). +# +# Author: kate.ward@forestent.com (Kate Ward) +# +# Library of shell functions. + +# Convert a relative path into it's absolute equivalent. +# +# This function will automatically prepend the current working directory if the +# path is not already absolute. It then removes all parent references (../) to +# reconstruct the proper absolute path. +# +# Args: +# shlib_path_: string: relative path +# Outputs: +# string: absolute path +shlib_relToAbsPath() +{ + shlib_path_=$1 + + # prepend current directory to relative paths + echo "${shlib_path_}" |grep '^/' >/dev/null 2>&1 \ + || shlib_path_="`pwd`/${shlib_path_}" + + # clean up the path. if all seds supported true regular expressions, then + # this is what it would be: + shlib_old_=${shlib_path_} + while true; do + shlib_new_=`echo "${shlib_old_}" |sed 's/[^/]*\/\.\.\/*//g;s/\/\.\//\//'` + [ "${shlib_old_}" = "${shlib_new_}" ] && break + shlib_old_=${shlib_new_} + done + echo "${shlib_new_}" + + unset shlib_path_ shlib_old_ shlib_new_ +} |