I am trying to create a batch script for my windows machine that loops through a list of (string/decimal) values and uses each value as a parameter inside the loop. The ‘for’ statement also has the ability to move through a range of values. Following is the general form of the statement.

Understanding the Context

Conditionally perform a command for a range of numbers. For /l %% parameter in ( start,step,end) do command. The amount by which to.  — there are two methods to setting and using variables within for loops and parentheses scope.

Key Insights

Setlocal enabledelayedexpansion see setlocal /? There are several types of control flow instructions for loops that can be executed in batch script: Classic implementation of for loop;  — the second line setlocal enabledelayedexpansion is already wrong as it results in processing directories with on or more ! Delayed variable expansion is needed.  — for loop in windows. Learn how to use for command to iterate over a list of items and run commands on each of them.

Final Thoughts

We can run a command for each file in a.  — the “for” loop is a fundamental construct that enables script creators to perform repetitive actions on a set of items. Whether iterating through a range of numbers or. Set num=1%mon% ) ) ) echo %num% pause. Which gives me output 1 instead of 1apr. However when i place set num=1%mon% outside all if and for loops it gives correct result.

 — the code i need to implement in a windows batch file is like this (it is currently in perl): If($_ =~ m/xxxx/) {. Print out xxxx is found; } elsif($_ =~ m/yyyy/) {.  — if you are using the for command at the command line rather than in a batch program, use just one percent sign: %g instead of %%g. I need to run a windows command n times within a bat script file.