使用robotframework检查文本文件中是否存在特定字符串

pip install robotframework
pip install robotframework-ride

*** Test Cases ***
Check Text File
    Open Text File    path/to/textfile.txt

*** Test Cases ***
Check Text File
    Open Text File    path/to/textfile.txt
    ${file_content}=    Read Text File

*** Test Cases ***
Check Text File
    Open Text File    path/to/textfile.txt
    ${file_content}=    Read Text File
    Should Contain    ${file_content}    special_string

*** Settings ***
Library    OperatingSystem

*** Test Cases ***
Check Text File
    Open Text File    path/to/textfile.txt
    ${file_content}=    Read Text File
    Should Contain    ${file_content}    special_string