Bash变量在插入cURL命令时被屠杀

该脚本的第一部分如下所示：

curl -k -X POST -H "Content-Type: application/x-www-form-urlencoded" -H "Cache-Control: no-cache" -d 'username=username&password=password "https://get_token" >> token.txt
token=$(<'token.txt'$'\r')
echo "$token"

echo $ token的输出看起来不错（417个字符）：

eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIyTVd0bGo4Y1VPYW8xNmdZTlV4QWlFS3RLcTc1b2JsSEN0c3hKWnlxeExCTkRKb1wvKzNSK1l5XC9YUFhoWExLaytJRVdKSE5CTE9MZmxPNksxemFjYXVlM0t1NnFIQjNRXC9QeUxzUTdVSmVOYk9pS3FDeHhcLzk1dz09IiwibmJmIjoxNDgzOTg5NjgwLCJpc3MiOiJwaHgtcmVtc3QtMDAzIiwiX2NhY2hlSWQiOjE0MzA0OCwiZXhwIjoxNDgzOTkzNDAwLCJpYXQiOjE0ODM5ODk4MDAsImp0aSI6IklER0FBNVYwR1pNU0pBTzk5QlVXTzhOMDY5VlRGTiJ9.H3vD-WfZBFXOII4k-cy7Ey2QM9YXytp31m9-Huj9vKw

让我们看看当我尝试将令牌插入脚本的下一部分时会发生什么。

echo curl -k -X POST -H "Content-Type: application/json" -H "Authorization: AR-JWT "$token"" -H "Cache-Control: no-cache" -d '{ 
  "values":{
      
    "First_Name": "John",
    "Last_Name": "Doe",
  }
}  ' "https://randomurl.com"

这是输出：

curl -k -X POST -H Content-Type: application/json -H Authorization: AR-JWT eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIyTVd0bGo4Y1VPYW8xNmdZTlV4QWlFS3RLcTc1b2JsSEN0c3hKWnlxeExCTkRKb1wvKzNSK1l5XC9YUFhoWExLaytJRVdKSE5CTE9MZmxPNksxemFjYXVlM0t1NnFIQjNRXC9QeUxzUTdVSmVOYk9pS3FDeHhcLzk1dz0 -H Cache-Control: no-cache -d { OiJwaHgtcmVtc3QtMDAzIiwiX2NhY2hlSWQiOjE0MzA0OCwiZXhwIjoxNDgzOTkzNDAwLCJpYXQiOjE0ODM5ODk4MDAsImp0aSI6IklER0FBNVYwR1pNU0pBTzk5QlVXTzhOMDY5VlRGTiJ9.H3vD-WfZBFXOII4k-cy7Ey2QM9YXytp31m9-Huj9vKw
  "values":{
      
    "First_Name": "John",
    "Last_Name": "Doe",
  }
}   https://randomurl.com

传递令牌时发生2件事

令牌中的“ 9IiwibmJmIjoxNDgzOTg5NjgwLCJpc3Mi”被删除

令牌的第二部分（在删除部分之后）插入主体

我尝试过的

使用其他令牌

使用令牌而不先将其传递到文件中

将授权标头移到URL之前

所有这些都会导致相同的行为。

我在Windows 7上使用cygwin64当在正确的空间中将第二个cURL命令以完整的令牌键入cygwin时，它没有问题

将set-x添加到脚本时的输出：

$ ./variable_testing.sh
+ ./variable_testing.sh
+ token=$'eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIyTVd0bGo4Y1VPYW8xNmdZTlV4QWlFS3RLcTc1b2JsSEN0c3hKWnlxeExCTkRKb1wvKzNSK1l5XC9YUFhoWExLaytJRVdKSE5CTE9MZmxPNksxemFjYXVlM0t1NnFIQjNRXC9QeUxzUTdVSmVOYk9pS3FDeHhcLzk1dz09IiwibmJmIjoxNDgzOTg5NjgwLCJpc3MiOiJwaHgtcmVtc3QtMDAzIiwiX2NhY2hlSWQiOjE0MzA0OCwiZXhwIjoxNDgzOTkzNDAwLCJpYXQiOjE0ODM5ODk4MDAsImp0aSI6IklER0FBNVYwR1pNU0pBTzk5QlVXTzhOMDY5VlRGTiJ9.H3vD-WfZBFXOII4k-cy7Ey2QM9YXytp31m9-Huj9vKw\r'
+ echo $'eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIyTVd0bGo4Y1VPYW8xNmdZTlV4QWlFS3RLcTc1b2JsSEN0c3hKWnlxeExCTkRKb1wvKzNSK1l5XC9YUFhoWExLaytJRVdKSE5CTE9MZmxPNksxemFjYXVlM0t1NnFIQjNRXC9QeUxzUTdVSmVOYk9pS3FDeHhcLzk1dz09IiwibmJmIjoxNDgzOTg5NjgwLCJpc3MiOiJwaHgtcmVtc3QtMDAzIiwiX2NhY2hlSWQiOjE0MzA0OCwiZXhwIjoxNDgzOTkzNDAwLCJpYXQiOjE0ODM5ODk4MDAsImp0aSI6IklER0FBNVYwR1pNU0pBTzk5QlVXTzhOMDY5VlRGTiJ9.H3vD-WfZBFXOII4k-cy7Ey2QM9YXytp31m9-Huj9vKw\r\r'
eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIyTVd0bGo4Y1VPYW8xNmdZTlV4QWlFS3RLcTc1b2JsSEN0c3hKWnlxeExCTkRKb1wvKzNSK1l5XC9YUFhoWExLaytJRVdKSE5CTE9MZmxPNksxemFjYXVlM0t1NnFIQjNRXC9QeUxzUTdVSmVOYk9pS3FDeHhcLzk1dz09IiwibmJmIjoxNDgzOTg5NjgwLCJpc3MiOiJwaHgtcmVtc3QtMDAzIiwiX2NhY2hlSWQiOjE0MzA0OCwiZXhwIjoxNDgzOTkzNDAwLCJpYXQiOjE0ODM5ODk4MDAsImp0aSI6IklER0FBNVYwR1pNU0pBTzk5QlVXTzhOMDY5VlRGTiJ9.H3vD-WfZBFXOII4k-cy7Ey2QM9YXytp31m9-Huj9vKw
+ echo curl -k -X POST -H '"Content-Type:' 'application/json"' -H '"Authorization:' AR-JWT 'eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIyTVd0bGo4Y1VPYW8xNmdZTlV4QWlFS3RLcTc1b2JsSEN0c3hKWnlxeExCTkRKb1wvKzNSK1l5XC9YUFhoWExLaytJRVdKSE5CTE9MZmxPNksxemFjYXVlM0t1NnFIQjNRXC9QeUxzUTdVSmVOYk"' -H '"Cache-Control:' 'no-cache"' -d '{ LCJpc3MiOiJwaHgtcmVtc3QtMDAzIiwiX2NhY2hlSWQiOjE0MzA0OCwiZXhwIjoxNDgzOTkzNDAwLCJpYXQiOjE0ODM5ODk4MDAsImp0aSI6IklER0FBNVYwR1pNU0pBTzk5QlVXTzhOMDY5VlRGTiJ9.H3vD-WfZBFXOII4k-cy7Ey2QM9YXytp31m9-Huj9vKw
  "values":{
      
    "First_Name": "John",
    "Last_Name": "Doe",
  }
}  ' $'https://randomurl.com\r'
curl -k -X POST -H "Content-Type: application/json" -H "Authorization: AR-JWT eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIyTVd0bGo4Y1VPYW8xNmdZTlV4QWlFS3RLcTc1b2JsSEN0c3hKWnlxeExCTkRKb1wvKzNSK1l5XC9YUFhoWExLaytJRVdKSE5CTE9MZmxPNksxemFjYXVlM0t1NnFIQjNRXC9QeUxzUTdVSmVOYk9pS3FDeHhcLzk1" -H "Cache-Control: no-cache" -d { OiJwaHgtcmVtc3QtMDAzIiwiX2NhY2hlSWQiOjE0MzA0OCwiZXhwIjoxNDgzOTkzNDAwLCJpYXQiOjE0ODM5ODk4MDAsImp0aSI6IklER0FBNVYwR1pNU0pBTzk5QlVXTzhOMDY5VlRGTiJ9.H3vD-WfZBFXOII4k-cy7Ey2QM9YXytp31m9-Huj9vKw
  "values":{
      
    "First_Name": "John",
    "Last_Name": "Doe",
  }
}   https://randomurl.com

完整的简化脚本，在上方显示输出

#!/bin/bash
set -x logs
token="eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIyTVd0bGo4Y1VPYW8xNmdZTlV4QWlFS3RLcTc1b2JsSEN0c3hKWnlxeExCTkRKb1wvKzNSK1l5XC9YUFhoWExLaytJRVdKSE5CTE9MZmxPNksxemFjYXVlM0t1NnFIQjNRXC9QeUxzUTdVSmVOYk9pS3FDeHhcLzk1dz09IiwibmJmIjoxNDgzOTg5NjgwLCJpc3MiOiJwaHgtcmVtc3QtMDAzIiwiX2NhY2hlSWQiOjE0MzA0OCwiZXhwIjoxNDgzOTkzNDAwLCJpYXQiOjE0ODM5ODk4MDAsImp0aSI6IklER0FBNVYwR1pNU0pBTzk5QlVXTzhOMDY5VlRGTiJ9.H3vD-WfZBFXOII4k-cy7Ey2QM9YXytp31m9-Huj9vKw"
echo "$token"
echo curl -k -X POST -H \"Content-Type: application/json\" -H \"Authorization: AR-JWT $token\" -H \"Cache-Control: no-cache\" -d '{ 
  "values":{
      
    "First_Name": "John",
    "Last_Name": "Doe",
  }
}  ' "https://randomurl.com"

Charles Duff.. 5

第一：您的令牌中当前包含文字CR-明显的屠杀是由echo输出中打印的这些CR导致的，将光标移回行的开头，因此令牌的某些部分被以后的内容覆盖。要消除它们，您可以将文件转换为UNIX文本格式（并确保生成该文件的任何命令中都没有CR），或者可以使用：

token=$(

如果您想将Authorization标头传递给curl一个单词，请不要结束并重新初始化引号；将单个参数保留在一组语法引号中。

-H "Authorization: AR-JWT $token"


最后，请确保您的脚本本身为UNIX格式-您的编辑器未使用DOS换行符保存它。 


1> Charles Duff..：
第一：您的令牌中当前包含文字CR-明显的屠杀是由echo输出中打印的这些CR导致的，将光标移回行的开头，因此令牌的某些部分被以后的内容覆盖。要消除它们，您可以将文件转换为UNIX文本格式（并确保生成该文件的任何命令中都没有CR），或者可以使用：

token=$(

如果您想将Authorization标头传递给curl一个单词，请不要结束并重新初始化引号；将单个参数保留在一组语法引号中。

-H "Authorization: AR-JWT $token"


最后，请确保您的脚本本身为UNIX格式-您的编辑器未使用DOS换行符保存它。