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
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
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
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
How to use if - else structure in a batch file? - Stack Overflow Processing sequence of batch commands depends on CMD exe parsing order Just make sure your construct follows that logical order, and as a rule it will work If your batch script is processed by Cmd exe without errors, it means this is the correct (i e supported by your OS Cmd exe version) construct, even if someone said otherwise
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?
What is the at sign (@) in a batch file and what does it do? For many-many days, I was happy with the sentiment that the @ is how echo off is meant to be written at the top of the batch and that's it However, recently I've came accross a line like this: @php foo bar and another line like this: @call \\network\folder\batch bat This reinforced my suspicion that @ has more to it than just echo mode switching