Mercurial > dotfiles
annotate .shell.d/00.path_manipulation.sh @ 307:e37b00236907
zshrc: work around my shell function that turns on utf8 in screen
The zsh built in which was getting confused by the function, and
always claimed screen was installed. I'm finally running into machines
with tmux but not screen, so I noticed.
| author | Augie Fackler <raf@durin42.com> |
|---|---|
| date | Sat, 19 Jan 2013 19:29:58 -0600 |
| parents | 7dfb7799567f |
| children | c85072e620a8 |
| rev | line source |
|---|---|
| 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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149
7dfb7799567f
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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135
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 } |
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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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10 |
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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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11 function insert_element_into_var () { |
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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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12 eval varcontents=\$"$2" |
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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
|
13 eval varname="$2" |
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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
|
14 newcomp="$1" |
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de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
|
15 if echo "$varcontents" | grep "$newcomp:" >> /dev/null; then |
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de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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16 true |
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de6d0a9a7e3f
path_manipulation: more flexible so it can be used on non-PATH items
Augie Fackler <durin42@gmail.com>
parents:
39
diff
changeset
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17 elif [[ "$varcontents" == "" ]] ; then |
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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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18 export $varname="$newcomp" |
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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
|
19 else |
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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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20 export $varname="$newcomp:$varcontents" |
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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
|
21 fi |
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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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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
|
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
|
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 } |