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perl: switch from backticks to qx()

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To make it easier to find external command invocation in the source.

Also drop backticks from a comment.

To find external command invocations in Perl code use:
```sh
git grep -E "((exec|qx|open2|open3|system)\(|open\(.+-\|)" $(<perlfiles>)
```

Refs:
https://perldoc.perl.org/functions/qx
https://perldoc.perl.org/perlop#Simpler-Quote-Like-Operators

Closes #21994
This commit is contained in:
Viktor Szakats 2026-05-19 17:41:07 +02:00
parent c61f007a73
commit 9972f700a8
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17 changed files with 48 additions and 48 deletions
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scripts/mdlinkcheck
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@ -90,7 +90,7 @@ if(defined $ARGV[0] && $ARGV[0] eq "--dry-run") {
}
# list all files to scan for links
my @files = `git ls-files docs include lib scripts src`;
my @files = qx(git ls-files docs include lib scripts src);
sub storelink {
my ($f, $line, $link) = @_;