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Top Forums Shell Programming and Scripting Merge multiple lines in same file with common key using awk Post 302735725 by protosd on Monday 26th of November 2012 04:20:22 AM
Old 11-26-2012
Quote:
Originally Posted by elixir_sinari
Code:
awk -F, 'NR!=1 && p1!=$1{print prev;prev=""}

prev seems to magically appear where you say print prev, but where do you assign its contents?

Is it somehow defaulting to $0 ?
 

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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 3.44 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)
All times are GMT -4. The time now is 05:07 PM.
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