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
What is the Difference Between p, a, and i in Batch? I'm feeling quite dumb right now, as I'm attempting to code a big long program in batch, and I just discovered how little I actually know about the language One thing I've seen in many suggested solutions are commands such as set, and then p or something similar So far I've seen p, a, and i
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)
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 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
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 - Stack Overflow 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
batch file - Less than or equal to - Stack Overflow In batch, the > is a redirection sign used to output data into a text file The compare op's available (And recommended) for cmd are below (quoted from the if ? help): where compare-op may be one of: EQU - equal NEQ - not equal LSS - less than LEQ - less than or equal GTR - greater than GEQ - greater than or equal