Batch nested for loop. for command to set a variable does not work.

Batch nested for loop. you can then refer to both Batch FOR LOOP with REG QUERY, REG EXPORT, list matching, REG DELETE if it matches, and ECHO any output to CMD and output. I'm trying to run a for loop, which recursively cycles through a directory %ERRORLEVEL% does not change in for loop parenthesized body as it's evaluated in parse time! You need either delayed expansion i. Viewed 142 times 1 I have two . %%A %A is for use on command lines only. by Srini. echo %n_c% must be coded echo !n_c! or set n_c to get output this environment variable with name and current value. If the argument is a dir, I have a I am having some difficulty in understanding how the Nested IF works in windows . txt todo (1). What I wish to achieve is as follows. Batch, variable inside variable in Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Batch files use the line oriented format, so all commands and delimiters must be complete in each line. EDIT: all the sub-batch files return an exit code equal to Hi friends, Here we have discussed about how to use a for loop inside a for loop ie. Inside the for loop, there are two further loops. bat script. In a batch file, you need to put two % characters in front of each variable @bliziforst Sort of, but that doesn't really help me understand the nested loops and why they end up pinging a random IP. Ask Question Asked 12 years, 8 months ago. windows batch script - setting variable inside for loop. I shall be passing two parameters to a bat file I'm trying make a batch file which will loop through a folder for subfolders naming starts with "Mode" and then copy all the files inside those folders to another location. They are The body of the for loop is then called with the variable value(s) set to the found token string(s). In your case, the second for command needs an open parentheses, There are times when you need the nested variable to work inside a for loop, which already requires the !varname! syntax for the variable expansion. Nested FOR commands. This only works Hello Batch File experts, I wrote this piece of code which will print the Latest file version present in the folder in comparison to file name sent as argument, however these line procedure :REVERT undo the change made, it's involved by calling the batch. how do i get the actual value of the second loop? I'm new to windows scripting (after using bash for many years). . So for /R cannot use a root Win batch: setting variable within nested loop not working. 7z contain the file listed in verPFM. Thanks for your time! – Mike. I shall be passing two parameters to a bat file. In a batch file, you need to put two % characters in front of each variable Nested /F looping and If statements in batch file. %A : The A in %A may I then use this to create a for loop that iterates for each chapter. txt, the purpose of the batch is to check that all files listed in verPFM. By escaping the percent signs and CALL the command is I have a folder which contains an unknown number of . set : A set of one or Basically, I have many nested subfolders based on dates (\rootfolder\year\month\day) and I need to move files out of those folders that match a specific text string while copying the directory The NewPFM. FOR loop in Windows. %A vs. txt files named as such: todo. : 2. I have three nested for loops, This does not mean that the main batch have to exit with the first errorlevel equal to 1: all the sub-batch files must be executed anyway. I know that I could replace the inner loop by a subroutine call, but there gotta be a way to make it work with nested loops. I have a txt file (created by one python script) having a list of IP addresses (one in each new Nested for loop with if statement in batch file. By "continue" I mean, before the loop would still call :eof each iteration. Key. How to handle nested if conditions in windows batch. Commented Sep 28, 2015 I know it iterated. You should also use lowercase variable names. FOR /F - Loop 1. I am using nested for loops with variable used in the nested loop windows batch. Learn how to use for command to iterate over a list of items and run commands on each of them. The first reads a line, and the second reads the following line. Hot Network Questions How much water should there be in Jet fuel for it to be considered as water contaminated fuel? Why An alternative method to introduce a second parsing phase needed for expanding nested variables is to use a for loop, like this: for /F delims^=^ eol^= %%K in Again it's delayedexpansion. Batch, variable inside variable in a for loop. In DOS (COMMAND. dat files, but this should work for . Viewed 755 times 1 I am writing a windows I'm passing (drag-drop) files/folder to the batch file and have a main loop (FOR %%i IN (%*) DO) that checks if the argument is a dir or file. FOR-Loop through a set of files in one folder, or a list of folders. We can run a command for each file in a I wrote this piece of code which will print the Latest file version present in the folder in comparison to file name sent as argument, however these line seems to work accordingly You can use this command within a batch file or directly from the command prompt. 0. FOR /R [[drive:] path] %% parameter IN (set) DO command . bat). Avoid of using :labels and :: labe-like comments within a bracketed code block or FOR command. So all you'd need to do was make your %%vs all the Batch File: Nested If/else in For loop. Within a for loop, any %variablename% is replaced by the actual value of the variable at the time that the for is encountered, so %errorlevel% will be nested for loops with variable used in the nested loop windows batch. The MY goal is to compare two files line by line and capture the changes. %a vs. At this time, for variable references like %%f are not yet recognised. Currently, the command will compress every You're using the same FOR variable (%%1) for the two loops. Hot Network Questions Which is larger? 999,999! or 2^(11!) Is it potentially The plan node changed from Nested Loop to YB Batched Nested Loop Join and the Index Cond shows the array of 5 values when yb_bnl_batch_size is set to 5. Viewed 4k times 0 I know this question might I am trying to include multiple actions for each iteration of a FOR loop using nested DO statements. FOR commands can be nested FOR %%G DO (for %%U do ) when nesting commands choose a different letter for each part. I Batch is largely insensitive to character-case except for the metavariable (loop-control variable) %%v/V in your case. By default, /F passes the first blank separated token from each line of each file. echo %ratio% must be coded echo !ratio! or set ratio for rem In any case the previous environment must be restored with command rem ENDLOCAL before the batch file execution continues on label Done or rem with loop Currently what I have is a text file (OfficeName. COM), nesting FOR commands is not possible. I was thinking of using some kind of nested for loop but I'm a bit stuck. So I have two variables: set The body of the for loop is then called with the variable value(s) set to the found token string(s). txt Type HELP FOR from the command line for . Batch File FOR loop using variable. Nested FOR with variables. This is true no matter how many times OK thanks for that - I do have enabledelayedexpansion set and the variables in the loop etc are incrementing correclty - I have also tried errorlevel in the nested loop / restart loop The for command (like the if command) is parsed earlier than other commands. dat (for /r %f in (*. However, what you can do is moving your inner for loop into a sub I have so far created a batch file that asks for the end year (start year is hard-coded) and source/target folders as well as the text string to search for, and then uses xcopy to clone an The command interpreter substitutes variables before executing a block. I was wondering if there was a way to keep the :eof section at the bottom and before Batch script with nested loops to ping range of IP's. Executing the goto command within a for loop breaks up the loop iteration. txt I'm running this command to iterate through the files Thank you, but this code is still not working for me. cmd /revert the IMPFILE is created using the same wmic command as the one use inside to get the There is a subtle difference between running FOR from the command line and from a batch file. Read Comments within bracketed code blocks. Modified 8 years, 2 months ago. For that i am using two nested loops. drive: path : The folder tree where the files are located. In essence, the intent is to combine both of the below lines into one. So let I'm not sure if you want to concatenate . Batch The inner loop is not working as expected by you because of DIR outputs the files in directory defined by string assigned to environment variable my_dir without file path. The whole for loop is considered a block. txt todo (2). txt] exists. With the FOR command you can create loops very much like For and For Each loops available in "true" scripting langauges. Windows Batch File There are two methods to setting and using variables within for loops and parentheses scope. txt and located in "LOCATION" have the same version as Use (and Break) Continuous or Endless Loops. The following attributes apply to the for command: This command replaces % variable or %% I have a first loop and a second loop but the variable from the first loop always stays the same in the second loop. 2. Sometimes, Loop through each line in text file 1 - Contains a list of movies. By escaping the percent signs and CALL the command is It's not working because the entire for loop (from the for to the final closing parenthesis, including the commands between those) is being evaluated when it's I had to use a standard for loop in the case of for %%V in ("%DTTR:;=" "%") as it was not looping through a directory and I did not want each token getting it's own variable. !ERRORLEVEL!, either perform the for procedure :REVERT undo the change made, it's involved by calling the batch. However, by using a second command processor you may still be able to nest them: FOR %A Loop through files (Recurse subfolders) Syntax. setlocal enabledelayedexpansion see setlocal /? for help. jpg files larger than 25Kb and then run a command to compress those files. Modified 7 years, 3 months ago. for /f %%b in Nesting FOR commands. When this is the case, I would like to create a batch file to easily connect to some network drives. Ask Question Asked 8 years, 2 months ago. txt] does not exist. log In addtion to Max's answer you can also use parenthesis to make the batch file easier to read. 1. cmd /revert the IMPFILE is created using the same wmic command as the one use inside to get the I am trying to make a batch script which will write specific IP addresses in a file. This is true for all nested for loops. If the value from text file 1 is found in txt file 2, I can write a program in java, perl, c or whatever that will generate a bat script that looks like this for %%N in (1 2 3 4 5 6 7 8 9 10 11 12) do echo %%N and so on. for command to set a variable does not work. and in the second iteration [b. I have a problem understanding the way windows batch files execute for loops. I am stuck with braking the inner loop on some condition. I have I am writing a batch file that will search a directory for . What I want to happen is for it to loop through the list of I'm currently programming with batch files, to use a specific pdf tool only available for cmd. Modified 12 years, 8 months ago. In all examples and syntax lines shown %A should be substituted with %%A when used in batch files. The first for loop claims 10 variables (since you Batch How To Use (and Break) Continuous or Endless Loops. Always use rem instead of ::. Problem. e. rem echo "directory: %%a". For each movie, loop through text file 2 - Contains list of subtitles. FOR /D - Loop through several folders. nested For loop and the syntax isFOR %%A IN (set) DO FOR %%B IN (set) DO FOR - Loop commands. FOR /L - Loop through a range of numbers. txt files. I am having some difficulty in understanding how the Nested IF works in windows . FOR /F There is a subtle difference between running FOR from the command line and from a batch file. In the first iteration, I get [b. One windows batch script: nested for loops not working. So I do not exactly understand what you are trying to accomplish, but I do understand how to break out of nested for loops (or any other nested parenthesised blocks of code). The command interpreter substitutes variables before executing a block. txt todo (3). dat) do @type "%f")>aggregate. Ask Question Asked 7 years, 3 months ago. txt or . Since they are nested, you should use different variables. txt) with a list of machine names, and a batch file (OfficeName. I tried various solutions involving disabling DelayedExpansion, call-statements and whatnot, but I never got the inner loop working.

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