straceコマンドでSIGPIPEの発生を確認する

receiver.sh

#!/bin/sh

sleep 1
cat

sender.sh

#!/bin/sh

sleep 1
echo "Message from $0"

sigpipe.bash

#!/bin/bash

strace -o "trace.log" ./sender.sh  | ./receiver.sh || echo "exit status:${PIPESTATUS[@]}" &

pgrep -f 'receiver.sh' | xargs kill