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FuncCommand: add sed func based on krok's factoid

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Pragmatic Software 2019-08-24 19:25:21 -07:00
parent dec2e4980d
commit d9728d3693
1 changed files with 37 additions and 0 deletions
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37
PBot/FuncCommand.pm
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@ -66,6 +66,11 @@ sub init_funcs {
usage => 'uri_escape <text>',
subref => sub { $self->func_uri_escape(@_) }
},
sed => {
desc => 'a sed-like stream editor',
usage => 'sed s/<regex>/<replacement>/[Pig]; P preserve case; i ignore case; g replace all',
subref => sub { $self->func_sed(@_) }
},
};
}
@ -121,6 +126,38 @@ sub func_list {
return $result;
}
# near-verbatim insertion of krok's `sed` factoid
no warnings;
sub func_sed {
my $self = shift;
my $text = "@_";
if ($text =~ /^s(.)(.*?)(?<!\\)\1(.*?)(?<!\\)\1(\S*)\s+(.*)/p) {
my ($a, $r, $g, $m, $t) = ($5,"'\"$3\"'", index($4,"g") != -1, $4, $2);
if ($m=~/P/) {
$r =~ s/^'"(.*)"'$/$1/;
$m=~s/P//g;
if($g) {
$a =~ s|(?$m)($t)|$1=~/^[A-Z][^A-Z]/?ucfirst$r:($1=~/^[A-Z]+$/?uc$r:$r)|gie;
} else {
$a =~ s|(?$m)($t)|$1=~/^[A-Z][^A-Z]/?ucfirst$r:($1=~/^[A-Z]+$/?uc$r:$r)|ie;
}
} else {
if ($g) {
$a =~ s/(?$m)$t/$r/geee;
} else {
$a=~s/(?$m)$t/$r/eee;
}
}
return $a;
} else {
return "sed: syntax error";
}
}
use warnings;
sub do_func {
my ($self, $from, $nick, $user, $host, $arguments, $stuff) = @_;