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38 lines
1.0 KiB
Bash
38 lines
1.0 KiB
Bash
#! bash oh-my-bash.module
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# is x grep argument available?
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function _omb_grep_flag_available {
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: | grep "$1" "" >/dev/null 2>&1
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}
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_omb_grep_options=()
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# color grep results
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if _omb_grep_flag_available --color=auto; then
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_omb_grep_options+=( "--color=auto" )
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fi
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# ignore VCS folders (if the necessary grep flags are available)
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_omb_grep_vcs_folders="{.bzr,CVS,.git,.hg,.svn}"
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if _omb_grep_flag_available --exclude-dir=.cvs; then
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_omb_grep_options+=( "--exclude-dir=$_omb_grep_vcs_folders" )
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elif _omb_grep_flag_available --exclude=.cvs; then
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_omb_grep_options+=( "--exclude=$_omb_grep_vcs_folders" )
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fi
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# export grep settings
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if ((${#_omb_grep_options[@]} > 0)); then
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_omb_util_alias grep="grep ${_omb_grep_options[*]}"
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_omb_util_alias fgrep="grep -F ${_omb_grep_options[*]}"
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_omb_util_alias egrep="grep -E ${_omb_grep_options[*]}"
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else
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_omb_util_alias fgrep='grep -F'
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_omb_util_alias egrep='grep -E'
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fi
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# clean up
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unset -v _omb_grep_options
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unset -v _omb_grep_vcs_folders
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unset -f _omb_grep_flag_available
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