You're putting your starting string in a variable, $x, but aren't
telling the s/// operator specifically what to operate on, so it
defaults to $_, which is still at its default value.
On 14/08/18 13:08, ToddAndMargo wrote:
> Hi All,
>
> The Perl 5 guys have it pounded into my head that I
> always had to check my substitutions to see if they
> worked if not working would crash the program.
>
> So in Perl 6 I have:
>
> $ p6 'my $x="abc"; if s/b/z/ {say "sub worked"}else{say "sub failed"};
> say "$x";'
>
> Use of uninitialized value of type Any in string context.
> Methods .^name, .perl, .gist, or .say can be used to stringify it to
> something meaningful.
> in block <unit> at -e line 1
> sub failed
> abc
>
>
> What am I doing wrong?
>
> Many thanks,
> -T
