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Top Forums Shell Programming and Scripting Help in using date command inside awk Post 302824675 by radoulov on Friday 21st of June 2013 09:46:30 AM
Old 06-21-2013
Code:
$ awk '{ ("date +%s -d " q $1 s $2 s $3 q )| getline dt; print dt }' q='"' s=' ' <<<'1 day ago'
1371735965
$ awk '{ ("date +%s -d " q $1 s $2 s $3 q )| getline dt; print dt }' q='"' s=' ' <<<'10 day ago'
1370958368

Try using the following awk script:

Code:
BEGIN {
  s = " "; q = "'"
  cmd = "date +%s -d "
  }
{
  args = q $2 s $3 q
  (cmd args) | getline startTime
  close(cmd args)
  args = q $4 s $5 q
  (cmd args) | getline endTime
  close(cmd args)
  duration = (endTime - startTime)/60
  printf "\t%s %s %s %s %s %s %s\n", $1, $6, $2, $3, $4, $5, duration
}


Last edited by radoulov; 06-21-2013 at 11:00 AM.. Reason: Corrected.
This User Gave Thanks to radoulov 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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