Re: Matching @ in string

[erroneousBollock]

perl -e 'if ("h@t" =~ /(\@)/ ) { print $1 }'

"h@t" looks to Perl like you're trying to interpolate the array @t (the previous case doesn't because the quote ends the string early.

perl -e 'if ("h\@t" =~ /(\@)/ ) { print $1 }'

or

perl -e 'if (\'h@t\' =~ /(\@)/ ) { print $1 }'

should work fine.

Update: err, ooops :-)

-David

[dwu]

*cough*

$ perl -e 'if (\'h@t\' =~ /(\@)/ ) { print $1 }'
-bash: syntax error near unexpected token `('

Not sure why - does escaping the single quote not work?

[lima1]

Because the bash does not change anything in the -e ' .. ' string. And

  if (\'h@t\' =~ /(\@)/ ) {

is no valid perl. And the -e string ends after if (\.