Re: Question on File Handler and Subroutines in Perl

You have several problems:

1. Your main call should be:

   grep_file($_) for @ARGV; 
   #            ===
[download]

Update:Corrected per tobyink's recommendation, below.

This will call the grep for each file name.

2. Your "open file" should really be "Process_record" -- to process each record of each file.
The file is already open and read, before that is called.

3. I don't see any code to search through the file(s).

As a computer, I find your faith in technology amusing.

Comment on Re: Question on File Handler and Subroutines in Perl Download Code

Replies are listed 'Best First'.
Re^2: Question on File Handler and Subroutines in Perl by tobyink (Canon) on Mar 05, 2019 at 12:53 UTC
I think you mean: `grep_file($_) for @ARGV;` [download] toby döt ink	[reply] [d/l]
Re^2: Question on File Handler and Subroutines in Perl by Anonymous Monk on Mar 05, 2019 at 05:10 UTC
Hi @NetWallah, Thank you so much for your patience in responding to my question. I have not tried to perform the pattern search; I thought of trying it later as I wasn't able to get the basics correct. Actually in the program above, I was thinking of the following: 1. Read in file_list.txt which contains a list of files: a.txt, b.txt, c.txt. 2. Open file_list.txt, and then open the individual files listed in file_list.txt. Thank you very much for your kind help! :)	[reply]