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Top Forums UNIX for Beginners Questions & Answers Call user defined function from awk Post 303040757 by RudiC on Wednesday 6th of November 2019 06:21:06 AM
Old 11-06-2019
Your chances are low. While the function definition somehow survives - if exported! - and makes it into awk's environment under a modified name, like
Code:
BASH_FUNC_fun1%% = () {  t=$1;
 printf "%02d\n" $(($t % 60))
}

, the system command creates another process running /bin/sh which seems to lose the exported function definitions.
 

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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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