![]() The second copy should fail and errorlevel will be set to a non-zero value.Įndless loop - use Ctrl+Break or Ctrl+C to stop it.Ĭheck for existence of a file (testfile) and directory (testdir). Without setlocal and endlocal, set-ting variables changes the DOS environment.Ĭheck various error levels by running copy commands.Ĭopy a file to a new directory, then make it read-only, then try the copy again. ![]() ![]() This batch file will mess up your command prompt's PATH setting. Use the for loop again to check if each file was copied (since it is difficult to run multiple commands in a for loop). Note: the for loop variable (%%b) must be contain only one letter. Because we can't reliably check the errorlevel in Windows 95/98/ME, check if the directory exists after we do the make directory command. If the directory does not exist, create it. Check to make sure that the backupdir exists and isn't a file Make sure that there is at least one argument. ![]() Where: backupdir is the directory to copy batch files all batch files in the current directory will be backed up Notice how the Pervasive.SQL 2000 install has messed up the batch file by putting commands before the off line.īackup batch files (Windows 95/98/ME version) PATH is a special command which sets the PATH variable.
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