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Full Discussion: Replace date_time to unixtime in csv.file
Top Forums Shell Programming and Scripting Replace date_time to unixtime in csv.file Post 302418912 by telemi on Wednesday 5th of May 2010 05:15:56 PM
Old 05-05-2010
Replace date_time to unixtime in csv.file
Hello,
since hours I am trying to replace in a csv-file the date_time to unixtime.
I tried sed, awk but not successful. I can not call a shell command within awk.
Probably there is an easier way.
Thanks in advance for your help
Regards, telemi

test.csv:
Code:
2010-04-22 01:59:01;test1;0.0;0.0;0.0
2010-04-22 01:59:02;test1;0.0;0.0;0.0
2010-04-22 01:50:01;test1;0.0;0.0;0.0
2010-04-22 01:01:04;test1;0.0;0.0;0.0
2010-04-22 02:00:11;test2;0.0;0.0;0.0
2010-04-22 01:59:06;test1;0.0;0.0;0.0
2010-04-22 01:59:11;test1;0.0;0.0;0.0
2010-04-22 01:14:01;test1;0.0;0.0;0.0
2010-04-22 01:59:01;test1;0.0;0.0;0.0


Code:
awk '
BEGIN { FS = "[;]" }
{
   sub($1, Shell-Command date -d "$1" "+%s")
   print
}
' test.csv

Last edited by Scott; 05-05-2010 at 06:44 PM.. Reason: Please use code tags
 

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LEARN ABOUT SUSE

igawk

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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