MQL5 ReferenceStandard LibraryFilesCFileIsExist HandleFilenameFlagsSetUnicodeSetCommonOpenCloseDeleteIsExistCopyMoveSizeTellSeekFlushIsEndingIsLineEndingFolderCreateFolderDeleteFolderCleanFileFindFirstFileFindNextFileFindClose IsExist Checks file for existence bool IsExist( const string file_name // file name ) Parameters file_name [in] Name of the file to check. Return Value true - file exists. Delete Copy