It's the same as 'if "%1" == "" goto somewhere', except that will fail in batch files, because "" evaluates to nothing and the whole sentence reduces to 'if %1 == goto somewhere'. I prefer X, …

Jan 24, 2013 · 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 …

Jun 18, 2012 · I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my …

Jan 13, 2014 · One remotely familiar with windows/dos batch scripting will recognize this line: @echo off For many-many days, I was happy with the sentiment that the @ is how echo off is …

Aug 31, 2009 · FOR %%A IN (list) DO command parameters list is a list of any elements, separated by either spaces, commas or semicolons. command can be any internal or external …

Addendum - This is a duplicate question with nearly identical answers to Using an OR in an IF statement WinXP Batch Script Final addendum - I almost forgot my favorite technique to test if …

Jul 16, 2020 · In this context, it is used to perform substring modification of a variable using an offset from the first character in the variables content, as explained in the help output of Set /?.

Feb 22, 2016 · You could do if defined var, which gives the benefit of working within if, for, and other parenthetical code blocks without requiring delayed expansion. There's also conditional …

Windows batch file pattern rename Asked 12 years, 11 months ago Modified 11 months ago Viewed 303k times

1 It's a variable. That particular example uses the directory option of a FOR loop, iterating through the directories and assigning them to %%A. That's also not a command-line example, but a …