MAN page from RedHat Other textutils-1.22-1.1.i386.rpm
MD5SUM
Section: User Commands (1)
Updated: GNU Text Utilities
Index NAME
md5sum - compute and check MD5 message digest
SYNOPSIS
md5sum[-bhtvV] [-c file] [-s[string]] [--binary] [--check=file][--help] [--string[=string]] [--text] [--verbose] [--version][file...]
DESCRIPTION
This documentation is no longer being maintained and may be inaccurateor incomplete. The Texinfo documentation is now the authoritative source.
This manual pagedocuments the GNU version ofmd5sum.md5sumproduces for each input file a 128-bit "fingerprint" or "message-digest"or it can check with the output of a former run whether the message digestsare still the same (i.e. whether the files changed).
OPTIONS
- -b, --binary
- Treat all input files as binary. This normally does not make any differenceon UN*X systems but some systems have a different internal and externalrepresentation of texts (especially the end-of-line characters).
- -c, --check=file
- file should be the output of a former run ofmd5sum.The file has in each line the MD5 sum, a binary/text flag, and a file name.This file will be opened (with each possible relative path) and the messagedigest is computed. If it is not the same as given in this line it will bemarked as failed.
- -h --help
- Print a usage message and exit.
- -s, --string=string
- Instead of computing the message digest for a file compute it for the givenstring. The result is the same as for a file with contains exactlythis string.
- -t, --text
- Treat all input files as text files. This is the reverse option to--binary.
- -v, --verbose
- Verbosely write information about the process.
- -V, --version
- Print version information on standard output then exit.
Index
- NAME
- SYNOPSIS
- DESCRIPTION
- OPTIONS
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