15 lines
330 B
Plaintext
15 lines
330 B
Plaintext
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#!/bin/bash
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# R.P. Clark : 02APR2004
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#
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# Takes one arg, the number to be converted
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# to log base 2.
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# script to take a very large interger number
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# and return a rounded up log to base 2 of it.
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# this corresponds to the number of bits needed
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# to represent the number in binary.
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echo "l($1)/l(2)+0.5" | bc -l | sed 's/\..*//'
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