man cksum () - calculate a cksum(1) compatible checksum
NAME
SYNOPSIS
package require Tcl 8.2 package require cksum ?1.0.1? ::crc::cksum ?-format format? message ::crc::cksum ?-format format? -filename file
DESCRIPTION
This package provides a Tcl-only implementation of the cksum(1) algorithm based upon information provided at in the GNU implementation of this program as part of the GNU Textutils 2.0 package.
COMMANDS
- ::crc::cksum ?-format format? message
- ::crc::cksum ?-format format? -filename file
- The command takes string data or a file name and returns a checksum value calculated using the cksum(1) algorithm. The result is formatted using the format(n) specifier provided or as an unsigned integer (%u) by default.
OPTIONS
- -filename name
- Return a checksum for the file contents instead of for parameter data.
- -format string
- Return the checksum using an alternative format template.
EXAMPLES
% crc::cksum "Hello, World!" 2609532967
% crc::cksum -format 0x%X "Hello, World!" 0x9B8A5027
% crc::cksum -file cksum.tcl 1828321145
AUTHORS
Pat Thoyts
SEE ALSO
KEYWORDS
checksum, cksum, crc, crc32, cyclic redundancy check, data integrity, security
COPYRIGHT
Copyright (c) 2002, Pat Thoyts