OSXで既存プロセスの標準出力をキャプチャする - Qiitacapture() { sudo dtrace -p "$1" -qn ' syscall::write*:entry /pid == $target && arg0 == 1/ { printf("%s", copyinstr(arg1, arg2)); } ' } capture-all() { sudo dtrace -p "$1" -qn ' syscall::write*:entry /pid == $target && (arg0 == 1 || arg0 == 2)/ { printf("%s", copyinstr(arg1, arg2)); } ' } example@localhost:~$ php -r 'while (true) { echo "Hello\n"; sleep(1); }' >/dev/null & [1] 97755 example@localho
