First, thank you so much for the response and assistance. Perlmonks never fails to amaze me!
Here's the code I finally come up with. Those who use Crystal reports will know of the limitations of data printing in rows and not columns.
#!/bin/perl
my @months=qw/"" jan feb mar apr may jun jul aug sep oct nov dec/;
open(DATAS,"<","sales.txt") ;
my (%report,$cust,$value,$date);
for (@months)
{
print "$_","\t";
}
print "\n";
while (<DATAS>)
{ chomp;
if (/^[A-Z]/) {
$cust = $_;
@{$report{$cust}} = map { 0 } @months;
next;
}
($date,$value) = split ' ', $_;
my ($mon,$year) = split '/',$date;
$report{$cust}[$mon]=$value;
}
foreach my $keys (keys %report)
{
print $keys,"\t";
for (0..12)
{ print $report{$keys}[$_],"\t";
}
print "\n";
}
print "\n";
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