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Top Forums Shell Programming and Scripting Break one long string into multiple fixed length lines Post 302951289 by Don Cragun on Tuesday 4th of August 2015 03:22:09 PM
Old 08-04-2015
If I correctly understand what you're trying to do (and since you aren't quoting the expansion of $NLINE in your echo statement, I'm not sure that I do), you might find that using dd is a lot easier than writing a COBOL program:
Code:
dd if=/homesh/ljamoo/SEQMAST of=/homesh/ljamoo/SEQMAST2 bs=200 conv=unblock

This will strip off trailing space characters from your input file (like your echo does), but it won't strip leading whitespace and won't convert sequences of spaces and tabs in the middle of your input lines to a single space (like your echo does).
 

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SDIFF(1)							   User Commands							  SDIFF(1)

NAME
sdiff - side-by-side merge of file differences SYNOPSIS
sdiff [OPTION]... FILE1 FILE2 DESCRIPTION
Side-by-side merge of differences between FILE1 and FILE2. Mandatory arguments to long options are mandatory for short options too. -o, --output=FILE operate interactively, sending output to FILE -i, --ignore-case consider upper- and lower-case to be the same -E, --ignore-tab-expansion ignore changes due to tab expansion -Z, --ignore-trailing-space ignore white space at line end -b, --ignore-space-change ignore changes in the amount of white space -W, --ignore-all-space ignore all white space -B, --ignore-blank-lines ignore changes whose lines are all blank -I, --ignore-matching-lines=RE ignore changes all whose lines match RE --strip-trailing-cr strip trailing carriage return on input -a, --text treat all files as text -w, --width=NUM output at most NUM (default 130) print columns -l, --left-column output only the left column of common lines -s, --suppress-common-lines do not output common lines -t, --expand-tabs expand tabs to spaces in output --tabsize=NUM tab stops at every NUM (default 8) print columns -d, --minimal try hard to find a smaller set of changes -H, --speed-large-files assume large files, many scattered small changes --diff-program=PROGRAM use PROGRAM to compare files --help display this help and exit -v, --version output version information and exit If a FILE is '-', read standard input. Exit status is 0 if inputs are the same, 1 if different, 2 if trouble. AUTHOR
Written by Thomas Lord. REPORTING BUGS
Report bugs to: bug-diffutils@gnu.org GNU diffutils home page: <http://www.gnu.org/software/diffutils/> General help using GNU software: <http://www.gnu.org/gethelp/> 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
cmp(1), diff(1), diff3(1) The full documentation for sdiff is maintained as a Texinfo manual. If the info and sdiff programs are properly installed at your site, the command info sdiff should give you access to the complete manual. diffutils 3.6 May 2017 SDIFF(1)
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