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General Purpose PostScript Generating Utility

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9.1.2 Caution when Using card

Remember that card runs the programs you give it, and the commands you supplied. Hence if there is a silly programs that has a weird behavior given the option `-h' etc., beware of the result.

It is even clearer using `--command': avoid running `card --command="rm -rf *"', because the result will be exactly what you think it will be!

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