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81fc5dd49d
Previously, only the first element of the array was expanded, which is always the empty string, so the setting of GREP_OPTIONS was useless. Expand the entire array.
30 lines
677 B
Bash
30 lines
677 B
Bash
#!/usr/bin/env bash
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# is x grep argument available?
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grep_flag_available() {
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echo | grep $1 "" >/dev/null 2>&1
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}
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GREP_OPTIONS=()
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# color grep results
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if grep_flag_available --color=auto; then
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GREP_OPTIONS+=( "--color=auto" )
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fi
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# ignore VCS folders (if the necessary grep flags are available)
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VCS_FOLDERS="{.bzr,CVS,.git,.hg,.svn}"
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if grep_flag_available --exclude-dir=.cvs; then
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GREP_OPTIONS+=( "--exclude-dir=$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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unset -f grep_flag_available
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