a2ps (the swiss knife of pretty-printing) actually already has support for doing this. a2ps uses different styles for its printouts and one of those is named 'matrix'.
so, by running: 

a2ps --prologue=matrix -o test.ps test.pl

[download]

it will generate a suitable matrix style printout. The default is to alternate the background each 6. line, but this can be adjusted. (I tested with a2ps 4.13b. I had a postscript-problem with an earlier version before I asked apt to kindly update it.)

I actually didn't find out how to adjust that value now, so I ended up patching matrix.pro (the prologue file). I changed the expand-line to:

%Expand:  nline #{pro.matrix.cycle:-2} mod #{pro.matrix.gray:-1} ge {

-Thorkild

PS: Yes, a2ps knows perl already

In reply to Re: printing source code green bar style by thorkild
in thread printing source code green bar style by BlndCat

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