How can I read or write files?
From NSIS Wiki
(Redirected from How can I read or write files)
Jump to navigationJump to search
Use FileOpen, FileRead, FileWrite, FileSeek, and FileClose to manipulate files.
You can find a small example showing how to replace a line here.
Note that if INI files are in the question, it might be easier to use WriteINIStr, ReadINIStr, DeleteINIStr, and DeleteINISec.