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$ echo 'obase=2;1234' | bc
April 11, 2012, 11:20 p.m.
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Janos
Explanation
bc is an arbitrary precision calculator language.obase defines the conversion base for output numbers, in this example 2 (binary); is a statement separator in bc1234 is the decimal number to convert- By piping the command to
bc we get 1234 in binary format
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