On Sun, Aug 04, 2013 at 12:59:29PM +0800, *Shaji Kalidasan* wrote:
> Greetings,
>
> I am facing some difficulty using join to display the array elements
>
> Here is the code snippet
>
> [code]
> use strict;
> use warnings;
>
> my @fruits = qw/apple mango orange banana guava/;
>
> print '[', join '][', @fruits, ']';
> [/code]
>
> How can I make the output to eliminate the last empty square brackets []
> using a single print statement. I used two print statements as shown in the
> code snippet above (#lines are commented out)
Limit what join acts on by using parenthesis.
print '[', join ( '][', @fruits ), ']';
This keeps your closing bracket from being part of the list that join is acting
upon.
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Michael Rasmussen, Portland Oregon
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