I think I can make the perl work. Thanks very much to both of you.
On Monday, April 22, 2024 at 3:06:58 PM UTC-5 GP wrote:
> For a human generated solution...
>
> Since simple grep search and replace can't easily handle generating
> variable length strings whose length is determined by the length of a found
> text group, something like a simple perl text filter is an easier way to
> handle it.
>
> A simple perl text filter like:
>
> #!/usr/bin/perl -w
> use strict;
>
> # set up the underline character for heading levels
> my $ulCharL1 = "=";
> my $ulCharL2 = "-";
>
> #for each line check for and reformat level 1 and level 2 headings
> while (<>) {
> chomp;
> if ($_ =~ /^## (.+)$/){
> print $1, "\n", $ulCharL2 x length($1), "\n";
> } elsif ($_ =~ /^# (.+)$/){
> print $1, "\n", $ulCharL1 x length($1), "\n";
> } else {
> print $_, "\n";
> }
> }
>
> will quickly do the job.
>
> I saved it as "underline_headings.pl in in BBEdit's Text Filters support
> folder. (If desired, you can assign a keyboard short cut for in the Text
> Filters pallet.)
>
> Then you can apply the text filter to either the frontmost whole file/text
> window or just to selected text in the frontmost file/text window.
>
> In the match patterns for heading lines, I'm assuming heading lines will
> always start at the beginning of a line with # or ## followed by just one
> space character followed by the rest of the heading line text to the end of
> that line. If those assumptions don't hold with the level headings forms
> found in your real world text, you'll need to modify the match grep
> expressions.
>
> Also, if you have additional levels of heading besides the two, to handle
> those just declare the underline character for that heading level and add
> another elsif clause to find/match that heading level and print the
> reformatted heading text with the underline text line.
>
> On Monday, April 22, 2024 at 10:31:18 AM UTC-7 Doug Pinkerton wrote:
>
>> I would like to create a text factory to change each instance of
>>
>> # This is a level 1 heading
>> to
>> This is a level 1 heading
>> =========================
>>
>> And I would like to change each instance of
>>
>> ## This is a level 2 heading
>> to
>> This is a level 2 heading
>> -------------------------
>>
>> My grep skills are rudimentary. I’m using this.
>>
>> Find: ^## ([A-Za-z: ,]+)\r
>> Replace: \1\r----------
>>
>> It works as desired, almost. But instead of ten hardcoded dashes, I would
>> like for the number of dashes to equal the number of characters in the
>> previous line (once the initial hashmarks are removed). I’m in over my
>> head. Can someone help?
>>
>> Thanks.
>>
>
--
This is the BBEdit Talk public discussion group. If you have a feature request
or believe that the application isn't working correctly, please email
"[email protected]" rather than posting here. Follow @bbedit on Mastodon:
<https://mastodon.social/@bbedit>
---
You received this message because you are subscribed to the Google Groups
"BBEdit Talk" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To view this discussion on the web visit
https://groups.google.com/d/msgid/bbedit/27e7e418-ba41-4cf3-95fd-c68e8573da3cn%40googlegroups.com.
