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chmod in Perl |
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chmod LIST
Changes the permissions of a list of files. The first element of the list must be the numerical mode, which should probably be an octal number, and which definitely should not be a string of octal digits: 0644 is okay, '0644' is not. Returns the number of files successfully changed. $cnt = chmod 0755, 'foo', 'bar'; chmod 0755, @executables; $mode = '0644'; chmod $mode, 'foo'; # !!! sets mode to # --w----r-T $mode = '0644'; chmod oct($mode), 'foo'; # this is better $mode = 0644; chmod $mode, 'foo'; # this is best On systems that support fchmod, you might pass file handles among the files. On systems that don't support fchmod, passing file handles produces a fatal error at run time. The file handles must be passed as globs or references to be recognized. Barewords are considered file names. open(my $fh, "<", "foo"); my $perm = (stat $fh)[2] & 07777; chmod($perm | 0600, $fh); You can also import the symbolic S_I* constants from the Fcntl module: use Fcntl ':mode'; chmod S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH, @executables; # This is identical to the chmod 0755 of the above example. Add by Pancho You can edit it here |
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