NAME
sha1sum - compute and check SHA1 message digest
SYNOPSIS
sha1sum [OPTION]... [FILE]...
DESCRIPTION
Print or check SHA1 (160-bit) checksums. With no FILE, or when FILE is -, read standard input.
-b, --binary | |
read in binary mode | |
-c, --check | |
read SHA1 sums from the FILEs and check them | |
-t, --text | read in text mode (default) |
The following three options are useful only when verifying checksums:
--quiet | dont print OK for each successfully verified file |
--status | |
dont 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 | |
AUTHOR
Written by Ulrich Drepper, Scott Miller, and David Madore.
REPORTING BUGS
Report sha1sum bugs to bug-coreutils@gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/>
COPYRIGHT
Copyright © 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for sha1sum is maintained as a Texinfo manual. If the info and sha1sum programs are properly installed at your site, the command
info coreutils 'sha1sum invocation' | |