Dos bat files if

Raymond Chen explains it nicely here on this blog. Adding to mythofechelon's comment, even a seemingly innocuous closing parenthesis in a REM statement will end the block.

Both mythofechelon and rkagerer are pointing out specific issues of a general rule that strings need to be quoted. Nick Nick 4 4 silver badges 4 4 bronze badges. Louis Louis 89 1 1 silver badge 2 2 bronze badges. Why on earth is this downvoted? This is exactly what I needed. GCB - To clarify Louis" wrote an "answer" that does not relate to the problem of why the IF statement was not working for the original poster.

It related to an answer by "vinniejohnson" that also missed original posters problem. David A. Gray David A. Gray 10 10 silver badges 18 18 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Linked Related Hot Network Questions. Title Disconnecting All variables in the FTP script will be resolved.

All batch lines start with semicolon so that they will be ignored by the FOR loop. Script: 1. Add this line at the beginning of the FTP script:. The "FTP -s:ftpscript. Good: You end up with only one file that contains the batch script and the FTP script combined.

Minor flaw: The batch command in the first line causes an "Invalid command. That way if the username, password or hostname for the FTP connection changes you only need to edit a single place instead of having to edit all FTP scripts one by one.

This automatic login script also described in detail earlier can be used to execute different FTP scripts that share the same login information stored within the batch file. This is no different from regularly executing FTP with -s option. Script: Download: FtpLoginSharing. The following batch script executes itself in SQL context. The trick is the GOTO command in the first line of the script.

The batch script will then run the OSQL. In fact the file can be opened and executed in Query Analyzer as is, since the batch script in the file looks like a comment to the query language processor. Now we can embed SQL queries into a batch file.

But how can we pass arguments from the batch script into SQL? This can be done using a temporary table. Temporary tables live as long as the connection to the SQL Server.

EXE twice? The trick is that OSQL allows to use the -i and -q option at the same time whereas: -q specifies a query string to be executed -i specifies a filename with SQL syntax to be executed Both the query string and the SQL file will be executed using the same Server connection. Some testing shows that the query string -q will always be executed before the -I SQL file, which allows us to use a query string to set up a temporary table.

The trick of renaming the Perl. However the solution I have seen so far needed batch code before and after the Perl script where as the solution presented below only needs some lines of DOS at the top.

The added DOS script is generic and works independent from the name of the file. When running the batch the DOS command interpreter will read the first lines and execute the file itself in Perl context. This example works just as the previews one but will wait 4 seconds before the application finally closes. This is just enough time to inspect the screen output before the window vanishes. The delay can probably be done much easier in Perl, but somebody just starting on Perl might find this still useful.

TOP Simple menu framework. Plug in a new menu item and coresponding script as single function block. Example: FTP -v -i -s:ftpscript. Script Output. Example - Installation Framework. Features: simple and well structured settings changeable at runtime settings are persistent , the batch will remember all settings from the last run progress indication during simulated file installation. Download: BatchInstall. Simulating an installation for!

If the condition specified in an if clause is true, the command that follows the condition is carried out. If the condition is false, the command in the if clause is ignored and the command executes any command that is specified in the else clause. When a program stops, it returns an exit code. To use exit codes as conditions, use the errorlevel parameter.

You must use the else clause on the same line as the command after the if. To display the message Cannot find data file if the file Product. To format a disk in drive A and display an error message if an error occurs during the formatting process, type the following lines in a batch file:.

To delete the file Product. Skip to main content. This browser is no longer supported.