shell判断字符串是否以/开头

#!/bin/bash
string="/example"
if [[ $string == /* ]]; then
    echo "字符串以\"/\“开头"
else
    echo "字符串不以\"/\“开头"
fi



is_begin_slash() {
  echo "参数是: $1"
  if [[ ${string} == /* ]]; then 
    echo "$1 字符串以\"/\"开头 "
  else 
    echo "$1 字符串不以\"/\“开头"
  fi
}