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Full Discussion: Issues with cut
Top Forums Shell Programming and Scripting Issues with cut Post 82916 by bthomas on Thursday 8th of September 2005 12:01:04 PM
Old 09-08-2005
Issues with cut

We are running on a Sun cluster using ksh.

We have a script that has been running for about six months with no issues. The script has not been modified and our results are now coming out diffrent.


<BEGIN>
cat $exfile | while read line
do


revnpa=`echo $line |cut -c 1-10 | sed '/\n/!G;s/\(.\)\(.
*\n\)/&\2\1/;//D;s/.//'`
wtn=`echo $line |cut -c 1-10`
name=`echo $line | cut -c 11-25`
orig=999
wkfile=$workdir/OUT
insert=I

echo $revnpa$insert$wtn$name$orig >> OUT

<END>

The $exfile is a file that 26 bytes including /n
The name variable for whatever reason is deleting trailing white spaces rather than grabbing the full 15 bytes. We have verified using od that the spaces due in fact exist in the input file but are dropped during the variable assignment. Command line works fine but not in script. Shell is defined on first line

Thanks for any assistance
 

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DIFF3(1)						      General Commands Manual							  DIFF3(1)

NAME
diff3 - 3-way differential file comparison SYNOPSIS
diff3 [ -ex3 ] file1 file2 file3 DESCRIPTION
Diff3 compares three versions of a file, and publishes disagreeing ranges of text flagged with these codes: ==== all three files differ ====1 file1 is different ====2 file2 is different ====3 file3 is different The type of change suffered in converting a given range of a given file to some other is indicated in one of these ways: f : n1 a Text is to be appended after line number n1 in file f, where f = 1, 2, or 3. f : n1 , n2 c Text is to be changed in the range line n1 to line n2. If n1 = n2, the range may be abbreviated to n1. The original contents of the range follows immediately after a c indication. When the contents of two files are identical, the contents of the lower-numbered file is suppressed. Under the -e option, diff3 publishes a script for the editor ed that will incorporate into file1 all changes between file2 and file3, i.e. the changes that normally would be flagged ==== and ====3. Option -x (-3) produces a script to incorporate only changes flagged ==== (====3). The following command will apply the resulting script to `file1'. (cat script; echo '1,$p') | ed - file1 FILES
/tmp/d3????? /usr/lib/diff3 SEE ALSO
diff(1) BUGS
Text lines that consist of a single `.' will defeat -e. Files longer than 64K bytes won't work. DIFF3(1)
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