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Top Forums Shell Programming and Scripting Need to append matching strings in a file Post 302823877 by pamu on Thursday 20th of June 2013 02:11:55 AM
Old 06-20-2013
Quote:
Originally Posted by nanduri
Hi ,

I am writing a shell script to check pvsizes in linux box.

[root@pavan san_migration]# for i in `cat vgs1`
> do
> echo "########### $i ###########"
> pvs|grep -i $i|awk '{printf $2,$1,$5}'>pvs_$i
> pvs|grep -i $i|awk '{print $1}'|while read a
> do
> fdisk -l $a|head -2|tail -1|awk '{print $2,$3}'>pvs_$i1
> done
> cat pvs_$i
> cat pvs_$i1
> done
########### system ###########
system /dev/sda2 39.41g
/dev/sda2: 42.3

[root@pavan san_migration]#


Now i want to merge the output of last lines into single line like below through shell script

system /dev/sda2 39.41g 42.3

can some one help with it.
Just change print to printf in first awk as highlighted above.
 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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