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28 lines
645 B
28 lines
645 B
# is x grep argument available? |
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grep-flag-available() { |
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echo | grep $1 "" >/dev/null 2>&1 |
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} |
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GREP_OPTIONS="" |
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# color grep results |
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if grep-flag-available --color=auto; then |
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GREP_OPTIONS+=" --color=auto" |
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fi |
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# ignore VCS folders (if the necessary grep flags are available) |
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VCS_FOLDERS="{.bzr,CVS,.git,.hg,.svn}" |
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if grep-flag-available --exclude-dir=.cvs; then |
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GREP_OPTIONS+=" --exclude-dir=$VCS_FOLDERS" |
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elif grep-flag-available --exclude=.cvs; then |
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GREP_OPTIONS+=" --exclude=$VCS_FOLDERS" |
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fi |
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# export grep settings |
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alias grep="grep $GREP_OPTIONS" |
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# clean up |
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unset GREP_OPTIONS |
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unset VCS_FOLDERS |
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unfunction grep-flag-available
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