On Jan 05, 2022, at 14:15, David G Wagner <[email protected]> wrote:
> I have data in one file and in one window. I could write a Perl script, but 
> was wanting to handle within BBEdit via filter or ?

Hey David,

A Perl script can be employed as a text filter, and that's probably as simple 
as anything.

~/Library/Application Support/BBEdit/Text Filters/<Your Filter>


#!/usr/bin/env perl -sw
# 
-----------------------------------------------------------------------------------------
# Auth: Christopher Stone
# dCre: 2022/01/06 06:35
# dMod: 2022/01/06 06:35
# Task: Number Lines Based On A Condition.
# Tags: @ccstone, @Shell, @Script, @Number, @Lines, @Condition, @bbedit-talk, 
@David_Wagner
# 
-----------------------------------------------------------------------------------------

my $cntr = 0;

while (<>) {
    if (/#Start#/) {
        $cntr++;                
    }
    if (/^\d+\h+/) {
        s!^\d+!$cntr!;
    }
    print;
}

# 
-----------------------------------------------------------------------------------------


--
Best Regards,
Chris

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