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path helpers are now pure bash, oh yeah ^_^

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This commit is contained in:
Jim Myhrberg
2012-02-06 09:09:30 +00:00
parent fadba0f2b0
commit 5bb3fd8540
1 changed files with 11 additions and 4 deletions
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15
shell/helpers/path_helpers.sh
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@@ -80,7 +80,9 @@ path_prepend () {
path_remove () {
if [ ! -n "$1" ]; then return 2; fi
if [[ ":$PATH:" == *":$1:"* ]]; then
export PATH=$(__path_clean `echo -n ":$PATH:" | sed "s;:$1;;"`)
local dirs=":$PATH:"
dirs=${dirs/:$1:/:}
export PATH=$(__path_clean $dirs)
return 0
fi
return 1
@@ -106,7 +108,9 @@ path_add_before () {
if [ ! -n "$1" ] || [ ! -n "$2" ]; then return 2; fi
if [[ ":$PATH:" == *":$2:"* ]]; then
path_remove "$1"
export PATH=$(__path_clean `echo -n ":$PATH:" | sed "s;:$2;:$1:$2;"`)
local dirs=":$PATH:"
dirs=${dirs/:$2:/:$1:$2:}
export PATH=$(__path_clean $dirs)
return 0
fi
return 1
@@ -132,7 +136,9 @@ path_add_after () {
if [ ! -n "$1" ] || [ ! -n "$2" ]; then return 2; fi
if [[ ":$PATH:" == *":$2:"* ]]; then
path_remove "$1"
export PATH=$(__path_clean `echo -n ":$PATH:" | sed "s;:$2;:$2:$1;"`)
local dirs=":$PATH:"
dirs=${dirs/:$2:/:$2:$1:}
export PATH=$(__path_clean $dirs)
return 0
fi
return 1
@@ -144,5 +150,6 @@ path_add_after () {
# __path_clean ":/bin:/usr/bin:" #=> /bin:/usr/bin
#
__path_clean () {
echo -n "$1" | sed "s/.\(.*\)./\1/"
local dirs=${1%?}
echo ${dirs#?}
}