StackOverflow 文件 Bash 教程 協同程序 Hello World Hello World Created: November-22, 2018 placeholderCopy# create the co-process coproc bash # send a command to it (echo a) echo 'echo Hello World' >&"${COPROC[1]}" # read a line from its output read line <&"${COPROC[0]}" # show the line echo "$line"輸出是 Hello World。 協同程序