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Full Discussion: Use awk to have the fourth column with spaces
Top Forums Shell Programming and Scripting Use awk to have the fourth column with spaces Post 302334667 by donisback on Thursday 16th of July 2009 07:16:00 AM
Old 07-16-2009
Thanks
Thanks that command helped. I have one more doubt. I am unable to use shell variables in awk. Could you help me again with that? I have a sample file like this:
Code:
PROJECT PATH
-----------------
ABC  /ABC/Datafiles/FILES
CLNT /CLNT/DataFiles/FILES 
BHL    /BHL/MISC/FILES
JMH /JMH/DataFiles/FILES
SMS /CLA/Datafiles/FILES
PCS /CLA/Datafiles/FILES

Now I have a script where I allow the user to enter the name of project based on which I grep the file and give the path. But here too, I realized that I am doing grep on the entire file rather than on only first column. The problem for that is the user can give anything on the given line and it might result in undesirable output.

My desired output is if the user gives PCS, he should see /CLA/DATAFILES/FILES

I initially used :
grep "$a" filename|awk '{print $2}'
where a is the name of the project which user gives.
I tried to use:
awk '{if ($1=$a) {print $2}else{print "WRONG INPUT"}}' filename

But the above awk doesn't work. Please help
Thanks
 

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LEARN ABOUT CENTOS

paps

PAPS(1) 						      General Commands Manual							   PAPS(1)

NAME

       paps - UTF-8 to PostScript converter using Pango

SYNOPSIS

       paps [options] files...

DESCRIPTION

       paps reads a UTF-8 encoded file and generates a PostScript language rendering of the file. The rendering is done by creating outline curves
       through the pango ft2 backend.

OPTIONS

       These programs follow the usual GNU command line syntax, with long options starting with  two  dashes  (`-').   A  summary  of  options	is
       included below.

       --landscape
	      Landscape output. Default is portrait.

       --columns=cl
	      Number of columns output. Default is 1.

       --font=desc
	      Set the font description. Default is Monospace 12.

       --rtl  Do rtl layout.

       --paper ps
	      Choose paper size. Known paper sizes are legal, letter, a4. Default is A4.

       --bottom-margin=bm
	      Set bottom margin in postscript points (1/72 inch). Default is 36.

       --top-margin=tm
	      Set top margin. Default is 36.

       --left-margin=lm
	      Set left margin. Default is 36.

       --right-margin=rm
	      Set right margin. Default is 36.

       --help Show summary of options.

       --header
	      Draw page header for each page.

       --markup
	      Interpret the text as pango markup.

       --encoding=ENCODING
	      Assume the documentation encoding is ENCODING.

       --lpi  Set the lines per inch. This determines the line spacing.

       --cpi  Set the characters per inch. This is an alternative method of specifying the font size.

       --stretch-chars
	      Indicates  that  characters  should be stretched in the y-direction to fill up their vertical space. This is similar to the texttops
	      behaviour.

AUTHOR

       paps was written by Dov Grobgeld <dov.grobgeld@gmail.com>.

       This manual page was written by Lior Kaplan <kaplan@debian.org>, for the Debian project (but may be used by others).

								  April  17, 2006							   PAPS(1)
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