Program Example30; { This program demonstrates the ChangeFileExt function } Uses sysutils; Procedure testit (N,E : String); begin Write ('Changing "',n,'" with extension "',e,'" : '); Writeln (ChangeFileExt(N,E)); end; Begin Testit ('report.txt','.pas'); Testit ('file','.txt'); Testit ('/path/file.pas','.pp'); Testit ('/path/file.pp.org','.new'); End.