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Full Discussion: Need to remove improperly formatted fortran output line from files, tried sed
Top Forums Shell Programming and Scripting Need to remove improperly formatted fortran output line from files, tried sed Post 302296071 by zaxxon on Tuesday 10th of March 2009 09:49:57 AM
Old 03-10-2009
If I got it right you can just add -v to your grep to remove the lines you get displayed with grep without any switch.
 

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LEARN ABOUT SUNOS

sha224sum

SHA224SUM(1)							   User Commands						      SHA224SUM(1)

NAME

       sha224sum - compute and check SHA224 message digest

SYNOPSIS

       sha224sum [OPTION]... [FILE]...

DESCRIPTION

       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

       --tag  create a BSD-style checksum

       -t, --text
	      read in text mode (default)

   The following five options are useful only when verifying checksums:
       --ignore-missing
	      don't fail or report status for missing files

       --quiet
	      don't print OK for each successfully verified file

       --status
	      don't output anything, status code shows success

       --strict
	      exit non-zero for improperly formatted checksum lines

       -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 space, a character indicating input mode ('*' for binary, ' ' for text or where binary is  insignificant),
       and name for each FILE.

AUTHOR

       Written by Ulrich Drepper, Scott Miller, and David Madore.

REPORTING BUGS

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report sha224sum translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2017 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

       Full documentation at: <http://www.gnu.org/software/coreutils/sha224sum>
       or available locally via: info '(coreutils) sha2 utilities'

GNU coreutils 8.28						   January 2018 						      SHA224SUM(1)
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