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Fix umask function regex

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Some grep implementations complain of empty subexpression

fixes #1313
This commit is contained in:
David Xia 2014-07-29 01:43:05 -04:00
parent adabc2d7a0
commit 6d18bf5cd4
1 changed files with 1 additions and 1 deletions
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2
share/functions/umask.fish
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@ -1,7 +1,7 @@
function __fish_umask_parse -d "Internal umask function"
# Test if already a valid octal mask, and pad it with zeros
if echo $argv | sgrep -E '^(0|)[0-7]{1,3}$' >/dev/null
if echo $argv | sgrep -E '^0?[0-7]{1,3}$' >/dev/null
set -l char_count (echo $argv| wc -c)
for i in (seq (math 5 - $char_count)); set argv 0$argv; end
echo $argv