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Tidy up the grep.zsh library

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This commit is contained in:
Marc Cornellà 2014-12-13 19:36:57 +01:00
parent 0190eb084b
commit 711843153d
1 changed files with 11 additions and 10 deletions
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21
lib/grep.zsh
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@ -1,23 +1,24 @@
#
# Color grep results
# Examples: http://rubyurl.com/ZXv
#
# is x grep argument available?
grep-flag-available() {
echo | grep $1 "" >/dev/null 2>&1
}
# color grep results
GREP_OPTIONS="--color=auto"
# avoid VCS folders (if the necessary grep flags are available)
# ignore VCS folders (if the necessary grep flags are available)
VCS_FOLDERS="{.bzr,.cvs,.git,.hg,.svn}"
grep-flag-available() {
echo | command grep $1 "" >/dev/null 2>&1
}
if grep-flag-available --exclude-dir=.cvs; then
GREP_OPTIONS+=" --exclude-dir=$VCS_FOLDERS"
elif grep-flag-available --exclude=.cvs; then
GREP_OPTIONS+=" --exclude=$VCS_FOLDERS"
fi
unset VCS_FOLDERS
unfunction grep-flag-available
# export grep settings
export GREP_OPTIONS="$GREP_OPTIONS"
export GREP_COLOR='1;32'
# clean up
unset VCS_FOLDERS
unfunction grep-flag-available