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| laziness, impatience, and hubris | |
| PerlMonks |
Re^3: if ($?variable_name)by choroba (Cardinal) |
| on Jul 24, 2013 at 22:25 UTC ( [id://1046219]=note: print w/replies, xml ) | Need Help?? |
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Seems you have the answer. The tcsh documentation says:
$?name
${?name}
Substitutes the string `1' if name is set, `0' if it is not.
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