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cyberfox/gist:137231

Created June 28, 2009 10:31
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A cool little, super-simple, shell script for doing calculations.
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gistfile1.sh
# Tried to twitter this; FAIL.
$ cat > calc
#!/bin/env ruby
p eval(ARGV[0])
^D
$ chmod a+x calc
$ ./calc 4*Math::PI
$ ./calc "Math::sqrt(15241578750190521)"
$ ./calc 24*7
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