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Full Discussion: Compare the string in different files
Top Forums Shell Programming and Scripting Compare the string in different files Post 302922907 by Don Cragun on Wednesday 29th of October 2014 04:29:08 AM
Old 10-29-2014
Quote:
Originally Posted by Anusha M
Hi,
There is a file A.txt which contains a list of strings.
Code:
A.txt
QASSBRK1
QASSBRK2

And in B.txt, command is written to generate output of dspmq with AWK script

Code:
B.txt
QMGR=`dspmq | awk '{print $1}' | cut -f2 -d "(" |  cut -f1 -d ")"`


Output of B.txt is
QASSBRK1
QASSBRK2
QASSBRK3

The requirement is to compare A.txt output with the above B.txt output and get the matched strings. Pass those strings as a argument to another command.

Please help to get this fixed.

Thanks.
If B.txt contains the command you specified above, there will be no output at all (unless there are diagnostic messages produced by dspmq). Any output printed to standard output by that pipeline is stored in the variable QMGR, but since that variable is never referenced after it is set, that script does not produce any output on the standard output file descriptor.

To get what you seem to want, you could try something like:
Code:
another_ccommand "$(dspmq | awk -F '[()]' 'FNR == NR {a[$2]; next} $1 in a' A.txt FS='[ \t]' -)"

 

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gencfu

GENCFU(1)							 ICU 50.1.2 Manual							 GENCFU(1)

NAME

       gencfu - Generates Unicode Confusable data files

SYNOPSIS

       gencfu  [  -h, -?, --help ] [ -V, --version ] [ -c, --copyright ] [ -v, --verbose ] [ -d, --destdir destination ] [ -i, --icudatadir direc-
       tory ] -r, --rules rule-file -w, --wsrules whole-script-rule-file -o, --out output-file

DESCRIPTION

       gencfu reads confusable character definitions in the input file, which are plain text files containing confusable character definitions	in
       the  input format defined by Unicode UAX39 for the files confusables.txt and confusablesWholeScript.txt.  This source (.txt) format is also
       accepted by ICU spoof detectors.  The files must be encoded in utf-8 format, with or without a BOM.  Normally the output data file has  the
       .cfu extension.

OPTIONS

       -h, -?, --help
	      Print help about usage and exit.

       -V, --version
	      Print the version of gencfu and exit.

       -c, --copyright
	      Embeds the standard ICU copyright into the output-file.

       -v, --verbose
	      Display extra informative messages during execution.

       -d, --destdir destination
	      Set the destination directory of the output-file to destination.

       -i, --icudatadir directory
	      Look  for  any necessary ICU data files in directory.  For example, the file pnames.icu must be located when ICU's data is not built
	      as a shared library.  The default ICU data directory is specified by the environment variable ICU_DATA.  Most configurations of  ICU
	      do not require this argument.

       -r, --rules rule-file
	      The source file to read.

       -w, --wsrules whole-script-rule-file
	      The whole script source file to read.

       -o, --out output-file
	      The output data file to write.

VERSION

       1.0

COPYRIGHT

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ICU MANPAGE
							    24 May 2009 							 GENCFU(1)
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