Thursday 31 October 2019

Perl In Line Hack - Perform Variable Assigning and Deletion in one Line

Method 1:


($_ = 'hellio') =~ s/i//;

print $_;


Method 2:


s/i// for (my $_ = 'hellio');

print $_;


Method 3:


substr(($_ = 'helloi'), index ($_, "i"), length($_),"")

print $_;


Method 4:


map $_ =~ s/i//,$_='hellio';

print $_;


Method 5:


grep $_ =~ s/i//,$_='hellio';

print $_;


Method 6:


print grep $_=~/[^i]+/,split('',$_='hellio');



Method 7:


map $_=~tr/i//d,$_="hellio";

print $_;


Method 8:


$_=~ s/i// if $_='hellio';

print $_;


Method 9:


$_ =~ tr/i//d if $_ = 'hellio';

print $_;


Method 10:


print grep $_=~/[^i]+/, @_, split '', 'hellio';


Method 11:


print grep $_=~/[^i]+/, "hellio"=~ /./g;


Method 12:


($_='hellio')=~tr/i//d;

print $_;


Method 13:


$_="hellio",$_=~tr/i//d;

print $_;


Method 14:


print @_,grep $_=~/[^i]+/, (split '', 'hellio');


Method 15:


grep $_=~tr/i//d,$_="hellio";

print $_;


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