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Top Forums Shell Programming and Scripting awk --> math-operation in a array Post 302866477 by Akshay Hegde on Tuesday 22nd of October 2013 05:04:37 AM
Old 10-22-2013
Quote:
Originally Posted by IMPe
Thank you for your immediate help - i understand the mistake! Unfortunately it is not working well. i changed ...
Code:
printf "%s/%s/%s-%s:%s\t%s\t%f\n" $Dm $Dd $Dy $UZh $UZm "$res" "$T20-$T120"

... the script printout gave me
line 17: printf: 17.10-17.02: invalid number

thanks in advance!
IMPe
it was supposed to be
Code:
$((T20-T120))

OR
Code:
$(echo "$T20-$T120" | bc)

This User Gave Thanks to Akshay Hegde For This Post:
 

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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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