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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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4
scripts/release-notes.pl
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@ -58,8 +58,8 @@ use strict;
use warnings;
my $cleanup = (@ARGV && $ARGV[0] eq "cleanup");
my @gitlog = `git log @^{/RELEASE-NOTES:.synced}..` if(!$cleanup);
my @releasenotes = `cat RELEASE-NOTES`;
my @gitlog = qx(git log @^{/RELEASE-NOTES:.synced}..) if(!$cleanup);
my @releasenotes = qx(cat RELEASE-NOTES);
my @o; # the entire new RELEASE-NOTES
my @refused; # [num] = [2 bits of use info]