Questions related to if in awk context and if without awk context Post: 303029690

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Top Forums Shell Programming and Scripting Questions related to if in awk context and if without awk context Post 303029690 by Seth on Wednesday 30th of January 2019 07:51:14 PM

01-30-2019

Registered User

Questions related to if in awk context and if without awk context

I wrote this code, questions follow

Code:

#! /bin/bash -f 

 # Purpose - to show how if syntax is used within an awk
  clear;
  ls -l;

  echo "This will print out the first two columns of the inputted file in this directory";
  echo "Enter filename found in this directory";
  read input;
  awk '{if($input == echo$(ls)) 
         {
          print $1 "\t" $2;
         }
         else
          {
          echo "file " $input " not in this Directory";
          exit
          }
       }' $input

Question 1 - how would I write this better so that my commands are executed under the else statement instead of getting a fatal error when $input is not a file in the Directory?

Question 2 - how would I represent this if statement outside this script and not within an awk command? When using if [ $input == echo$(ls) ] or if [[ $input == echo$(ls) ]]
where $input is a file name in the Directory I get a "too many arguments" and false return or just a false return respectively.

Thank you in advance.

Seth

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LEARN ABOUT PHP

locale_get_display_variant

LOCALE_GET_DISPLAY_VARIANT(3)						 1					     LOCALE_GET_DISPLAY_VARIANT(3)

Locale::getDisplayVariant - Returns an appropriately localized display name for variants of the input locale

	Object oriented style

SYNOPSIS

       publicstatic string Locale::getDisplayVariant (string  $locale, [string	$in_locale])

DESCRIPTION

	Procedural style
       string locale_get_display_variant (string  $locale, [string  $in_locale])

	Returns an appropriately localized display name for variants of the input locale. If is NULL then the default locale is used.

PARAMETERS

	      o $locale
		- The locale to return a display variant for

	      o $in_locale
		- Optional format locale to use to display the variant name

RETURN VALUES

	Display name of the variant for the $locale in the format appropriate for $in_locale.

EXAMPLES

       Example #1

	      locale_get_display_variant(3) example

	      <?php
	      echo locale_get_display_variant('sl-Latn-IT-nedis', 'en');
	      echo ";
";
	      echo locale_get_display_variant('sl-Latn-IT-nedis', 'fr');
	      echo ";
";
	      echo locale_get_display_variant('sl-Latn-IT-nedis', 'de');
	      ?>

       Example #2

	      OO example

	      <?php
	      echo Locale::getDisplayVariant('sl-Latn-IT-nedis', 'en');
	      echo ";
";
	      echo Locale::getDisplayVariant('sl-Latn-IT-nedis', 'fr');
	      echo ";
";
	      echo Locale::getDisplayVariant('sl-Latn-IT-nedis', 'de');
	      ?>

       The above example will output:

       Natisone dialect;
       dialecte de Natisone;
       NEDIS

SEE ALSO

       locale_get_display_name(3), locale_get_display_language(3), locale_get_display_script(3), locale_get_display_region(3).

PHP Documentation Group 											     LOCALE_GET_DISPLAY_VARIANT(3)

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