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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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LEARN ABOUT DEBIAN

grcompiler

grcompiler(1)															     grcompiler(1)

NAME

       grcompiler - Compile GDL into a TrueType Font

SYNOPSIS

       grcompiler [-d] [-D] [-g] [-n number] [-v number] [-w number] [-wall] [-q] gdl-file font-file [output-file] [output-fontname]

Description
       Grcompiler  compiles  a	Graphite Description Language description of the smarts for a font along with a TrueType Font to create a graphite
       font with graphite tables in it.

       -d     Generate XML debugger file.

       -D     Generate all debugger files.

       -g     Permit and ignore invalid glyph definitions.

       -nnumber
	      Set name table start location.

       -q     Quiet mode (no messages except on error).

       -vnumber
	      Set Silf table version number.

       -wnnnn Ignore warning with the given number. This option may be repeated.

       -wall  Display all warnings.

Environment
       grcompiler makes use of the following environment variables

       GDLPP  Specifies the command to execute to run the GDL preprocessor

Files
       gdlerr.txt
	      Warnings and errors are output to this file.

       dbg_classes.txt
	      Debug file that specifies the classes stored in the font in terms of their GDL source and containing glyph ids in hex.

       dbg_cmap.txt
	      Debug file giving Unicode to glyph mapping of all the glyphs in the font and vice versa.

       dbg_enginecode.txt
	      Debug file containing the action code and constraint code associated with each pass and rule in a pass.

       dbg_fsm.txt
	      Debug file that gives the finite state machines of each pass and the rules referenced. For each pass, a  mapping	is  given  between
	      glyph and column number.

       dbg_glyphattrs.txt
	      Debug file containing all the glyph attributes and their names, along with values specified for each glyph.

       dbg_parsetree.txt
	      Debug file giving the complete parse tree of the GDL source file.

       dbg_ruleprec.txt
	      Debug file that lists the rules in precedence order (order in which they will be tested) for each pass.

       $_temp.gdl
	      Debug file containing the output of gdlpp

Author
       Martin Hosken <mhosken@users.sourceforge.net>

							   $Date: 2012-05-29 11:36:50 $ 					     grcompiler(1)
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