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411 REFERENCE · Wikibooks

Perl Programming/Keywords/-A

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

Perl -B Keywords The -A keyword -A is a file test that returns the access time minus file modification time, in days. It takes one argument, either a FILENAME, a FILEHANDLE, or a DIRHANDLE to test the associated file to see, if something is true about it. If the argument is omitted, it tests $_. -A returns 1 for true and an empty string for false. If the file doesn't exist or can't be examined, it returns undef and sets $! (errno). Syntax -A DIRHANDLE -A EXPRESSION -A FILEHANDLE -A FILENAME -A Perl -B Keywords