Distribution of security fixes [LWN.net]

Distribution of security fixes

Posted Sep 2, 2004 12:47 UTC (Thu) by ingvar (guest, #1530)
In reply to: Distribution of security fixes by jreiser
Parent article: Distribution of security fixes

It (sort-of) exists in PSIX-compliant shells...

FOO=${FOO+$FOO:}/usr/local/lib # should do the trick

ingvar@gruk$ FOO=${FOO+$FOO:}/usr/local/lib
ingvar@gruk$ echo $FOO
/usr/local/lib
ingvar@gruk$ FOO=${FOO+$FOO:}/evil/cracker/path
ingvar@gruk$ echo $FOO
/usr/local/lib:/evil/cracker/path

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