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Full Discussion: Pass script variable value to AWK
Top Forums Shell Programming and Scripting Pass script variable value to AWK Post 302123991 by anbu23 on Thursday 28th of June 2007 05:02:23 AM
Old 06-28-2007
Quote:
I have a normal ksh script and sometime I call awk command. I set some variables in the script and I would like to use them up within AWK as well. Unfortunately AWK seems to forget all the variable values outside of its own AWK section.
E.g.

#!/bin/ksh
whatever=100
awk ' {print whatever}' /tmp/dummy

How can I make AWK aware of a variable value set outside of AWK section?
Code:
#!/bin/ksh
whatever=100
awk ' { print "'$whatever'" } ' /tmp/dummy

Code:
#!/bin/ksh
whatever=100
awk -v whatever=$whatever ' { print whatever } ' /tmp/dummy

Code:
#!/bin/ksh
whatever=100
awk ' { print whatever } ' whatever=$whatever /tmp/dummy

Quote:
in ksh I was able to typeset -i variable for better calculations. Is there any kind variable set within AWK?
The same arithmetical command gives me a normal result in ksh (e.g. 238749, but in AWK the same in format like 1.34983+12). Is there any way to have normal number in AWK as well?
Code:
$ awk ' BEGIN { v=238749*121212; print v } '
2.89392e+10
$ awk ' BEGIN { v=238749*121212; printf("%f\n",v) } '
28939243788.000000

 

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LEARN ABOUT SUSE

tzselect

TZSELECT(8)						    Linux System Administration 					       TZSELECT(8)

NAME

       tzselect - select a timezone

SYNOPSIS

       tzselect

DESCRIPTION

       The  tzselect  program asks the user for information about the current location, and outputs the resulting timezone description to standard
       output.	The output is suitable as a value for the TZ environment variable.

       All interaction with the user is done via standard input and standard error.

EXIT STATUS

       The exit status is zero if a timezone was successfully obtained from the user, nonzero otherwise.

ENVIRONMENT

       AWK    Name of a Posix-compliant awk program (default: awk).

       TZDIR  Name of the directory containing timezone data files (default: /usr/share/zoneinfo).

FILES

       TZDIR/iso3166.tab
	      Table of ISO 3166 2-letter country codes and country names.

       TZDIR/zone.tab
	      Table of country codes, latitude and longitude, TZ values, and descriptive comments.

       TZDIR/TZ
	      Time zone data file for timezone TZ.

SEE ALSO

       tzfile(5), zdump(8), zic(8)

COLOPHON

       This page is part of release 3.25 of the Linux man-pages project.  A description of the project, and information about reporting bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

								    2007-05-18							       TZSELECT(8)
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