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  1. or download this
    use strict;
use warnings;
...
for ($cond) {
    my $j=1;
}
  2. or download this
    my $cond = 1;
foreach $_ ($cond) {
...
foreach $_ ($cond) {
    my $j = 1;
}
  3. or download this
    #comments added on update
#print "$i/n";      # Works for input code, not output code
#print "$j/n";      # Fails for both