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Hi all,
I'm trying to substitute parts of a string, and thought this might be a
good use of a grammar. Sadly, grammars aren't my strong suit, so I
thought I'd ask the wider community for help. Maybe you guys know an
even better solution than using a grammar here.
So, consider a string, "Here be a $(placeholder), for $(purpose)
purposes.". I want to be able to put that into a sub, along with some
Pairs, and get a string with the placeholders replaced back.
my Str $input = "Here be a $(placeholder), for $(purpose) purposes.";
my Str $output = format-string(
$input,
placeholder => "placeholder",
purpose => "testing",
);
dd $output; # "Here be a placeholder, for testing purposes."
The `format-string` sub would call the grammar and apply the actual
substitution, and that's where I need your help. I am not quite sure
how I would implement the grammar (and presumably it's actions) to do
what I want.
Thanks in advance for your help!
- --
With kind regards,
Patrick Spek
www: https://www.tyil.work/
mail: [email protected]
pgp: EB9E A484 1672 2D37 16F5 A799 9ACF E193 FFBC 1F50
mastodon: @[email protected]
github: @Tyil
gitlab: @tyil
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