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On Fri, 8 May 2009 14:38:58 +0100 |
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Stroller <stroller@××××××××××××××××××.uk> wrote: |
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> To find the part to which I refer you'll need to scroll down about |
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> halfway through that page to "Colorize grep"; the author advises adding: |
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> |
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> if echo hello|grep --color=auto l >/dev/null 2>&1; then |
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> export GREP_OPTIONS='--color=auto' GREP_COLOR='1;32' |
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> fi |
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> |
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> to ~/.bashrc |
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> |
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> Why does he echo hello, please? |
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Some greps (like BSD one) might not support '--color' option, so "echo |
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hello|grep --color=auto l" will return error code, skipping if clause, |
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and won't break grep operation by adding an unsupported option. |
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-- |
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Mike Kazantsev // fraggod.net |
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