Mercurial > dotfiles
annotate .shell.d/00.path_manipulation.sh @ 282:ba2fd0bed641
ipythonrc: remove, since newer ipythons don't read this file
author | Augie Fackler <raf@durin42.com> |
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date | Tue, 17 Apr 2012 16:30:06 -0500 |
parents | 7dfb7799567f |
children | c85072e620a8 |
rev | line source |
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0 | 1 # Functions for manipulating $PATH. Split out so I can use them in .zshenv if I want. |
2 | |
3 function insert_path_element() { | |
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path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
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4 insert_element_into_var $1 PATH |
0 | 5 } |
6 | |
7 function remove_path_element() { | |
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path_manipulation: Fix accidental recursion.
Augie Fackler <durin42@gmail.com>
parents:
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8 remove_element_from_var $1 PATH |
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de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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9 } |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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10 |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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11 function insert_element_into_var () { |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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12 eval varcontents=\$"$2" |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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13 eval varname="$2" |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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14 newcomp="$1" |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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15 if echo "$varcontents" | grep "$newcomp:" >> /dev/null; then |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
16 true |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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17 elif [[ "$varcontents" == "" ]] ; then |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
18 export $varname="$newcomp" |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
19 else |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
20 export $varname="$newcomp:$varcontents" |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
21 fi |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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22 } |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
23 |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
24 function remove_element_from_var() { |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
25 eval varcontents=\$"$2" |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
26 eval varname="$2" |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
27 newcomp="$1" |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
28 if echo "$varcontents" | grep "$newcomp:" >> /dev/null; then |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
29 export $varname="`echo $varcontents | sed s%$newcomp:%%`" |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
30 elif [[ "$varcontents" == "$newcomp" ]] ; then |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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31 unset $varname |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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32 else |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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33 echo $1 not in $varname |
de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
34 fi |
0 | 35 } |