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@@ -1,24 +1,24 @@
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-#
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-# Color grep results
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-# Examples: http://rubyurl.com/ZXv
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-#
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-
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-GREP_OPTIONS="--color=auto"
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-
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-# avoid VCS folders (if the necessary grep flags are available)
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+# is x grep argument available?
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grep-flag-available() {
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echo | grep $1 "" >/dev/null 2>&1
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}
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+
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+# color grep results
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+GREP_OPTIONS="--color=auto"
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+
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+# ignore VCS folders (if the necessary grep flags are available)
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+VCS_FOLDERS="{.bzr,.cvs,.git,.hg,.svn}"
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+
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if grep-flag-available --exclude-dir=.cvs; then
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- for PATTERN in .cvs .git .hg .svn; do
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- GREP_OPTIONS+=" --exclude-dir=$PATTERN"
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- done
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+ GREP_OPTIONS+=" --exclude-dir=$VCS_FOLDERS"
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elif grep-flag-available --exclude=.cvs; then
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- for PATTERN in .cvs .git .hg .svn; do
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- GREP_OPTIONS+=" --exclude=$PATTERN"
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- done
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+ GREP_OPTIONS+=" --exclude=$VCS_FOLDERS"
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fi
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-unfunction grep-flag-available
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-export GREP_OPTIONS="$GREP_OPTIONS"
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-export GREP_COLOR='1;32'
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+# export grep settings
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+alias grep="grep $GREP_OPTIONS"
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+
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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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