I'm stuck on a perl problem, and I think I don't know the right
terminology to use with Google to find the answer. Tutorials on arrays
don't cover this, as far as I can see.
I created an array for the n attribute in cross-references:
@nCR = (a ..z) # Creates the array
$nCR = @nCR[0]; # Sets the value of $nCR to 0 ("a") at the beginning
of each file (book)
Then when I am creating cross-references it prints:
n="$nCR"
and then after the note is created I have this at the end of the sub:
$nCR ++;
so that the next cross-reference is b then c, etc. I want to cycle
through the array from @nCR[0] to @nCR[25] and then return to @nCR[0].
In other words the 27th cross-reference in a book should be n="a" not
n="aa".
I am sure there is an easy way to do this, but when I tried:
if ($nCR = @nCR[25]) {
$nCR += @nCR[0];
}
else {
$nCR ++;
}
It makes n into a number rather than a letter.
I know there must be something basic I am missing, so I am hopeful
someone has a quick solution to this.
Daniel
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