Shell script to read commands from a named pipe until terminated

shell-pipe.sh

#!/bin/bash
#
# Read commands from a named pipe until terminated e.g.
#
# echo 'ls -l' > shell-fifo
# 
set -e

FIFO=$1
if [ ! -n "$FIFO" ]; then
  FIFO="shell-fifo"
fi

if [ ! -e "$FIFO" ]; then
  mkfifo $FIFO
fi

echo "Reading commands from FIFO $FIFO"
echo "Use CTRL+C to quit"
while true; do
  sh -c "$(cat $FIFO)"
done