NSIS 替换文件中的内容

Textreplace插件的使用：

!include "TextReplace.nsh"
${textreplace::ReplaceInFile} "c:\1.txt" "c:\1.txt" "%Install%" "替换的内容" "/S=1" $4
${textreplace::FreeReadBuffer} "$4"
${textreplace::Unload}