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# Store grep(1)'s --help output in a variable
grep_help=$(grep --help 2>/dev/null)
# Run dircolors(1) to export LS_COLORS if available and appropriate
case $grep_help in
*--color*)
GREP_COLORS='ms=01;31:mc=01;31:sl=:cx=:fn=35:ln=32:bn=32:se=36'
export GREP_COLORS
;;
esac
# We're done parsing grep(1)'s --help output now
unset -v grep_help
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