|
Test Returns Meaning
?A Time Last access time for file1
?b Boolean True if file1 is a block device
?c Boolean True if file1 is a character device
?C Time Last change time for file1
?d Boolean True if file1 exists and is a directory
?e Boolean True if file1 exists
?f Boolean True if file1 exists and is a regular file
?g Boolean True if file1 has the \CF{setgid} bit set (false under NT)
?G Boolean True if file1 exists and has a group ownership equal to the caller's group
?k Boolean True if file1 exists and has the sticky bit set
?l Boolean True if file1 exists and is a symbolic link
?M Time Last modification time for file1
?o Boolean True if file1 exists and is owned by the caller's effective uid
?O Boolean True if file1 exists and is owned by the caller's real uid
?p Boolean True if file1 exists and is a FIFO
?r Boolean True if file1 is readable by the effective uid/gid of the caller
?R Boolean True if file1 is readable by the real uid/gid of the caller
?s Int/nil If file1 has nonzero size, return the size; otherwise return nil
?S Boolean True if file1 exists and is a socket
?u Boolean True if file1 has the setuid bit set
?w Boolean True if file1 exists and is writable by the effective uid/gid
?W Boolean True if file1 exists and is writable by the real uid/gid
?x Boolean True if file1 exists and is executable by the effective uid/gid
?X Boolean True if file1 exists and is executable by the real uid/gid
?z Boolean True if file1 exists and has a zero length
|