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kevinlebrun/talk-to-bc.sh

Created August 7, 2013 12:10
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Bash corpoc
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talk-to-bc.sh
#!/bin/bash
{ coproc bc_proc { bc; read; } >&3; } 3>&1
echo "1 + 2" >&${bc_proc[1]}
echo "2 + 5" >&${bc_proc[1]}
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