# tests sourcing non-regular files, fixed post-3.2 : ${TMPDIR:=/tmp} rm -f $TMPDIR/foo echo "echo one - OK" > $TMPDIR/foo . $TMPDIR/foo echo $? rm -f $TMPDIR/foo # non-regular readable file . /dev/null echo $? # FIFO or pipe via /dev/fd . <(echo "echo two - OK") echo $? # pipe echo "echo three - OK" | . /dev/stdin echo $? # FIFO mkfifo $TMPDIR/fifo-$$ echo "echo four - OK" > $TMPDIR/fifo-$$ & sleep 1 # allow the child echo to execute . $TMPDIR/fifo-$$ echo $? rm -f $TMPDIR/fifo-$$