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Full Discussion: awk problems - awk ignores conditions
Top Forums Shell Programming and Scripting awk problems - awk ignores conditions Post 302881310 by Don Cragun on Friday 27th of December 2013 08:08:53 PM
Old 12-27-2013
Quote:
Originally Posted by SkySmart
thank you. the shell if statements dont handle numbers like this "73.39", which is why i decided to use awk. its either awk or perl. and i personally dont like perl.

i'll retry with the closing brackets. dont know how i missed that. and by the way, yes, i am including this in a while loop. the original awk program i wrote didnt' have the breaks in it. but since it look like awk was running all four conditions instead of just one, i decided to put the break in there to try to force it break out of the first condition it matches.
Some shell if statements don't handle floating point comparisons. If you have a 1993 or later ksh, it is perfectly capable of handling double precision floating point arithmetic in arithmetic expressions and in numeric comparisons.
This User Gave Thanks to Don Cragun For This Post:
SkySmart
 

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LEARN ABOUT REDHAT

tzselect

TZSELECT(8)						      System Manager's Manual						       TZSELECT(8)

NAME

       tzselect - select a time zone

SYNOPSIS

       tzselect

DESCRIPTION

       The  tzselect program asks the user for information about the current location, and outputs the resulting time zone 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.

ENVIRONMENT VARIABLES

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

       TZDIR  Name of the directory containing time zone data files (default: /usr/local/etc/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 time zone TZ.

EXIT STATUS

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

SEE ALSO

       newctime(3), tzfile(5), zdump(8), zic(8)

																       TZSELECT(8)
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