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- cmd - What does do in this batch file? - Stack Overflow
%<number> (%1) the nth command line parameter passed to a batch file %0 is the batchfile's name %* (%*) the entire command line %<a letter> or %%<a letter> (%A or %%A) the variable in a for loop Single % sign at command prompt and double % sign in a batch file
- command line - What does the percent sign (% and %%) in a batch file . . .
The for command needs a placeholder so you can pass along variables for use later in the query, we are telling it use the placeholder %A, the reason the code you saw uses %%A is because inside a batch file (which I assume is where you found this) the % has a special meaning, so you must do it twice %% so it gets turned in to a single % to be passed to the for command
- How do you loop in a Windows batch file? - Stack Overflow
command can be any internal or external command, batch file or even - in OS 2 and NT - a list of commands parameters contains the command line parameters for command In this example, command will be executed once for every element in list, using parameters if specified
- IF. . . OR IF. . . in a windows batch file - Stack Overflow
Don't look further, if you build a batch library anyways lib cmd @ECHO OFF SETLOCAL ENABLEEXTENSIONS SHIFT GOTO:%1 : Common batch extension library ::: : Performs conditional processing in batch programs Is callable for inline use
- What is the difference between % and %% in a cmd file?
In addition to %G in a for loop, %1 is also allowed %% is needed in a script to avoid ambiguities "When working at the command line (not in a batch script) there is no possibility of any batch file parameters %1, %2 etc so the logic above is not followed and hence FOR parameters on the command line only need a single % " See details
- Logical operators (and, or) in Windows batch
Note that this answer is tailored toward cmd batch language, the one found in Windows You mention "DOS batch" but, based on several points, I think the former choice is a safe bet (1) If you really meant the original MS-DOS batch language, you should keep in mind that the if statement was a lot simpler, and you may need to use chunks of if
- windows - What does %* mean in a batch file? - Stack Overflow
The %* modifier is a unique modifier that represents all arguments passed in a batch file You cannot use this modifier in combination with the %~ modifier The %~ syntax must be terminated by a valid argument value Source: "Using batch parameters" on Microsoft com (defunct) "Using batch parameters" (Archive org mirror)
- How do I make an if and if statement in Windows Batch?
This one is more of a curiosity question, but is there a way in Windows Batch to be able to make an if file ext exists amp; amp; if file2 ext exists (echo Yes ) else (echo No ) -type command?
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