Since the man pages are a bit too short, here are the magic recipes to zoom a postscript document (for example, you need less/more margins on print):
- 20% zoom:
pstops '1:0@1.2(-2cm,-2.5cm)' input.ps output.ps
- 30% zoom:
pstops '1:0@1.3(-3cm,-3.5cm)' input.ps output.ps
The @1.2 (or @1.3) part zooms while the (-2cm,-2.5cm) (or (-3cm,-3.5cm)) part centers the page.
There is also pdfcrop (for pdf files), it comes with tetex.
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