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OpenSolaris 2009.06 - man page for sha224sum (opensolaris section 1)

SHA224SUM(1)							   User Commands						      SHA224SUM(1)

sha224sum - compute and check SHA224 message digest
sha224sum [OPTION] [FILE]...
Print or check SHA224 (224-bit) checksums. With no FILE, or when FILE is -, read standard input. -b, --binary read in binary mode -c, --check read SHA224 sums from the FILEs and check them -t, --text read in text mode (default) The following two options are useful only when verifying checksums: --status don't output anything, status code shows success -w, --warn warn about improperly formatted checksum lines --help display this help and exit --version output version information and exit The sums are computed as described in RFC 3874. When checking, the input should be a former output of this program. The default mode is to print a line with checksum, a character indicating type (`*' for binary, ` ' for text), and name for each FILE.
Written by Ulrich Drepper, Scott Miller, and David Madore.
Report bugs to <>.
Copyright (C) 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <>. There is NO WARRANTY, to the extent permitted by law.
The full documentation for sha224sum is maintained as a Texinfo manual. If the info and sha224sum programs are properly installed at your site, the command info sha224sum should give you access to the complete manual.
See attributes(5) for descriptions of the following attributes: +--------------------+--------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+--------------------+ |Availability | SUNWgnu-coreutils | +--------------------+--------------------+ |Interface Stability | Uncommitted | +--------------------+--------------------+
Source for GNU coreutils is available on sha224sum 6.7 December 2006 SHA224SUM(1)