Please show us your perl1.pl script inside <code> and </code> tags so we can see where you are going wrong. As for working on a multi-line file, calculate the offsets, open your file then do something like
while ( <$inputFH> )
{
foreach my $offset ( reverse @cums[ 1 .. $#cums ] )
}
substr $_, $offset, 0, q{-};
}
print;
}
I hope this moves you forward.
Update: Code modified to replace for statement modifier with an explicit loop, thanks choroba.
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