関連ワード:  shell script get return value of command    bash script get return value of command    shell script get return code of command    shell script check return value of command    bash script get return code of command    bash script check return value of command    shell script check return code of command    bash script check return code of command    bash script get return code of last command    shell script return value of command  
結果 : shell script get return value of command