bash - 如何在 bash 中退出一个函数

Question

如果条件为真，您如何在不终止整个脚本的情况下退出函数，只需返回到调用函数之前。

例子

# Start script
Do scripty stuff here
Ok now lets call FUNCT
FUNCT
Here is A to come back to

function FUNCT {
  if [ blah is false ]; then
    exit the function and go up to A
  else
    keep running the function
  fi
}

Answer 1

使用:

return [n]

来自帮助返回

return: return [n]

Return from a shell function.

Causes a function or sourced script to exit with the return value
specified by N.  If N is omitted, the return status is that of the
last command executed within the function or script.

Exit Status:
Returns N, or failure if the shell is not executing a function or script.