Reference/ReadINIStr
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ReadINIStr
user_var(output) ini_filename section_name entry_name
Reads from entry_name in [section_name] of ini_filename and stores the value into user variable $x. The error flag will be set and $x will be assigned to an empty string if the entry is not found.
ReadINIStr $0 $INSTDIR\winamp.ini winamp outname
Command introduced with NSIS v1.2g
