#!/bin/bashFIFO=`mktemp -u`; mkfifo $FIFO cat - $FIFO<<EOF | dc -e '?[?dsa+plalxx]sxlxx' | tee $FIFO | head -n 6401EOF
Standard input is empty
Standard output is empty
./prog.sh: line 4: dc: command not found cat: write error: Broken pipe
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