2014-12-13 18:36:57 +00:00
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# is x grep argument available?
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grep-flag-available() {
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echo | grep $1 "" >/dev/null 2>&1
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}
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2012-06-14 05:06:36 +00:00
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2015-02-02 19:49:24 +00:00
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GREP_OPTIONS=""
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2014-12-13 18:36:57 +00:00
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# color grep results
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2015-02-02 19:49:24 +00:00
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if grep-flag-available --color=auto; then
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GREP_OPTIONS+=" --color=auto"
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fi
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2014-03-24 07:17:19 +00:00
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2014-12-13 18:36:57 +00:00
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# ignore VCS folders (if the necessary grep flags are available)
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2016-05-12 07:40:24 +00:00
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VCS_FOLDERS=".bzr,CVS,.git,.hg,.svn"
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IDE_FOLDERS=".idea"
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EXC_FOLDERS="{$VCS_FOLDERS,$IDE_FOLDERS}"
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2014-12-13 18:13:27 +00:00
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2014-03-24 07:17:19 +00:00
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if grep-flag-available --exclude-dir=.cvs; then
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2016-05-12 07:40:24 +00:00
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GREP_OPTIONS+=" --exclude-dir=$EXC_FOLDERS"
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2014-03-24 07:17:19 +00:00
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elif grep-flag-available --exclude=.cvs; then
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2016-05-12 07:40:24 +00:00
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GREP_OPTIONS+=" --exclude=$EXC_FOLDERS"
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2014-03-24 07:17:19 +00:00
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fi
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2014-12-13 18:36:57 +00:00
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# export grep settings
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2014-11-24 12:08:39 +00:00
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alias grep="grep $GREP_OPTIONS"
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2014-12-13 18:36:57 +00:00
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# clean up
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2014-11-24 12:08:39 +00:00
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unset GREP_OPTIONS
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2014-12-13 18:36:57 +00:00
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unset VCS_FOLDERS
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2016-05-12 07:40:24 +00:00
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unset IDE_FOLDERS
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unset EXC_FOLDERS
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2014-12-13 18:36:57 +00:00
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unfunction grep-flag-available
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