The following snippet is intended to iterate through my Cisco LAN switches to do stuff with each one.   My naming convention is switchNNNa, where NNN is a 3digit number greater than 100 and the last character is always the letter a.

But the "a" following the device number is tripping me up.   Perl thinks I mean "$ia" instead of "$i"a with this error: Global symbol "$ia" requires explicit package name at line 5

Suggestions from Wiser Monks?   Perl 5.00503 on Debian 2.3r3, in case it matters.
    cheers,
    Don
    striving toward Perl Adept
    (it's pronounced "why-bick") 

#!/usr/bin/perl -w
use strict;
my $i = 100;
for ($i..$i+200) {
   my $host = "switch$ia";
   print "$host\n";
   $i++;
}

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In reply to "switch$ia" but don't interpolate trailing "a" by ybiC

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