쉘스크립트 에러 처리 

main.sh
#!/bin/bash

check_errs()
{
  # Function. Parameter 1 is the return code
  # Para. 2 is text to display host.
  if [ "${1}" -ne "0" ]; then
    echo "ERROR # ${1} : ${2}"
    #mail -s "subject here" email@address.com <<< "ERROR # ${1} : ${2}"
    exit ${1}
  fi
}

. ./exit.sh
check_errs $? $host_name

#!/bin/bash
host_name="test_lb_com"
aa

결과

ERROR # 127 : test_lb_com
./exit.sh: line 3: aa: command not found

Process finished with exit code 127

​