File Operations

Functions operating on a list of files return the number of files successfully operated upon.

• chmod list
• Changes the permissions of a list of files. The first element of the list must be the numerical mode.
• chown list
• Changes the owner and group of a list of files. The first two elements of the list must be the numerical uid and gid.
• truncate file, size
• Truncates file to size. file may be a filename or a filehandle.
• link oldfile, newfile
• Creates a new filename linked to the old filename.
• lstat file
• Like stat, but does not traverse a final symbolic link.
• mkdir dir, mode
• Creates a directory with given permissions. Sets $! on failure.
• readlink expr(dagger)
• Returns the value of a symbolic link.
• rename oldname, newname
• Changes the name of a file.
• rmdir filename(dagger)
• Deletes the directory if it is empty. Sets $! on failure.
• stat file
• Returns a 13-element array (0:$dev, 1:$ino, 2:$mode, 3:$nlink, 4:$uid, 5:$gid, 6:$rdev, 7:$size, 8:$atime, 9:$mtime, 10:$ctime, 11:$blksize, 12:$blocks). file can be a filehandle, an expression evaluating to a filename, or _ to refer to the last file test operation or stat call. Returns a null list if the stat fails.
• symlink oldfile, newfile
• Creates a new filename symbolically linked to the old filename.
• unlink list
• Deletes a list of files.
• utime list
• Changes the access and modification times. The first two elements of the list must be the numerical access and modification times.