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Re: Problem with reading values from Maple

by archen (Pilgrim)
on Jan 10, 2005 at 18:15 UTC ( #421020=note: print w/replies, xml ) Need Help??

in reply to Problem with reading values from Maple

I'm not sure I have a solution, but this might be something to consider. First of all you read lines two at a time. If you have a digit at position 'x', then the corresponding variable is on the next line at 'x - 1'. You could then re-write the expression to x^2 format (using a script to translate before getting to your script). I'm not sure if that's going to work if you're using a pipe though.

There are some hangups to consider. If there are no powers, is there a blank line? Probably not. Assuming that powers can also be expressions, then you probably need to look at where the first column starts.

Hope that might have helped in some way.
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[jdporter]: one prog I have has a UI which allows to input a bit mask
[jdporter]: currently it expects the bitmask to be in the form of a hex number, e.g. 0x0101
[jdporter]: but I'd like to let the user specify it as individual bits, i.e. 0b0000000100000001
[jdporter]: there is no bit/binary equivalent of hex, right?
[jdporter]: I guess that the most direct way of doing it is with some magical incantation involving unpack or whatever
[jdporter]: let me google that for me ;-)
[jdporter]: hex points explicitly to oct, which does the job. :-D

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