Created
September 24, 2011 20:11
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Math in Bash
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| expr '1 + 1' | |
| echo $[1 + 1] | |
| let variable=1+1 # spaces are illegal | |
| echo '6 ^ 10' | bc | |
| bc <<< '13 / 5' # use heredoc notation to pass parameters to bc |
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