Batch File Echo Variable

Variable is created in the environment by using SET. Hello, I have made a batch file that will ask you what file name you want to open and what directory it's in. Hi Becky, Brandon has created a very good basic process for creating a basic. By partially, I mean it writes everything to the file except leaves a trailing space after each line. The CALL command will launch a new batch file context along with any specified parameters. Does not work with single %. A Windows batch file is a special type of script that can be run by the Windows command line tool, known as cmd. log rem # define the variables that stores information to connect to the Oracle database. Resource Kit Batch File Commands. I'm just using autoit to pass the OS (ex: Win_7) by writing the OS to a text file and then having the batch file open the text file to read the OS. Set variables for several aspects of the date/time for use further on in the batch. Batch file keywords / variables / operators, and their shell equivalents. Hi all, One of my txt file has common format like. Batch 12 Echo Off by John Hammond. Following is a screenshot of how this would look in the command prompt when the batch file is executed. If you precede an environment variable setting with the SETLOCAL command (on a line of its own), then environment variable changes are local to the batch file. This means that the window will remain after the command. , %~dp0 gives the batch file's drive and path). variable in dos batch file Sir I have a very old cobol programme (source not availble). set argv=%argv% %%f In this statement, %argv% is replaced with blank when the batch file starts. Batch 49 Copying Files by John Hammond. Ask Question Asked 9 years, 3 months ago. And also we are aware of the SET command and its flags to perform arithmetic calculations and take the inputs from the user. Batch scripts support the concept of command line arguments wherein arguments can be passed to the batch file when invoked. This is what I want:. echo If you have "curl" or "wget" you can try setting the HTTP_CLIENT echo variable, but the TLS problem might still persist. For example if exist h: ul echo. But in batch files we don’t have any such data type like int, float blah blah. You can use the echo command to stop the display, or to make something display, as you wish. SETLOCAL is limited to 32 active instantiations per CALL level. Variables in batch files are of the type string (except errorlevel, which is special and of the type byte). For loop (default) of Batch language is used to iterate over a list of files. txt [/code]And to increase it: [code]ren points. Variables can be defined to store information to be used later on, just like in any other language. The example shows how to return the first 4 characters of a string. bat, and run it from the command line to view it. They do not exist for any other process and they do not survive the completion of the batch file's execution. The computer simply reads the whole file from top to bottom and performs any commands the batch file contains. yaml) The %%paramater are variables similar to arguments to batch files. 0\currentBatchPath. lorenzilipe 223,914 views. Useful DOS Batch functions: Substring() and Length() Recently I needed to determine the length of a string and perform a Substring operation on a variable in a DOS Batch (. The problem is that it does not write the variables to the file. The command interpreter is intelligent enough to understand certain values given to variables. It's essentially a list of commands that you could type into the command prompt all combined into one file in order to automate a particular task. Batch file variables in IF statement? I need have a Windows batch file set a variable according to a user input while inside an if statement. Variables created using SET will last as long as the command window is open then be deleted. Windows Batch File Template The following code is the template I have started using for new Windows batch files[#]:[email protected] off in arguments and variables easily. As of 12/26/2017, academic. DOS is basically a file called command. COM's existence. Probably the easiest way to echo complex lines into a secondary batch file is to make them unique, then TYPE the entire main batch file through FIND, letting FIND filter things so that only the desired lines get through. The script is below. Disponible pour Windows et macOS, il profite d'une interface. While WinSCP is primarily an SFTP/FTP client, its powerful %TIMESTAMP% syntax can be used as a separate feature in Windows batch files. Ocassionally I need to automate things with Windows cmd or bat files. To call two. Resource Kit Batch File Commands. For comprehensive info, see a free Essential Batch book. Ich erkläre erst was es mit dem @Echo off auf sich hat. The basic syntax is: %string:SEARCH=REPLACE%. echo If you have "curl" or "wget" you can try setting the HTTP_CLIENT echo variable, but the TLS problem might still persist. If the exit-status is less than the specified value, DOS continues processing with the next command in the batch file. My shell script depends upon user input. for /l %%x in (1,1,120) do ( echo %%x. Not too keen on the batch file language quite yet but if anyone could offer some help I would really appreciate it. I was recently playing around with batch scripts (*. Create an Interactive Batch File Using ECHO Ed shows how to use the MS-DOS ECHO command to turn a batch file into a program that will accept input. Command line interpreter takes the file as an input and executes in the same order. How do i save variables in batch? whenever i close my batch file i lose my variables. This variable may then be used for the XCOPY operation. Sets an environment variable *** Very useful !! ie: set imageloc=win95 Now, whenever the batch file sees %imageloc% , it will replace that with win95. To remove variables from the environment, use UNSET, or type SET, followed by the variable name and an equal sign: The variable's name is limited to a maximum of 1024 characters. To keep this current date, hit "ENTER". - Perform whatever variable substitution is necessary. echo %dateseed% The %Time% variable in a batch file will give you a time like 18:55:30. The trick is to find something unique you can add to the desired lines that won't affect what those lines do. Batch File Programming By Ankit Fadia _____ Batch file programming is nothing but the Windows version of Unix Shell Programming. In a batch file there is a syntax that can be used to replace one value with another in variables. Below is the entire Document. The computer simply reads the whole file from top to bottom and performs any commands the batch file contains. Then just cut and paste the files/directories that are older than 2 days to wherever you like. PS1 file is with the special %~dpn0 variable. To keep track of variable definitions, pair each SETLOCAL with a corresponding ENDLOCAL. If the statement is not true, that is, the VARIABLE variable does exist, program control skips to the next line of the batch file and continues. Much discussed in the usenet When you want to output any text stored in. bat files) - but what I wanted to do with the script snowballed and I found I needed more functionality, the main one being to be able to execute commands based on user input. In a batch file, the @ symbol at the start of a line is the same as ECHO OFF applied to the current line only. Although environment variables were initially designed to hold system-configuration information such as the search path, they are also the "working" variables for batch files. rem # if you put only the file name, then it will be written on the same folder as the batch file. the command processor is run with the /K switch to cmd. The '@' symbol prevents a command from having input and its prompt displayed. [resolved] batch: if else statement If this is your first visit, be sure to check out the FAQ by clicking the link above. Batch file variables in IF statement? I need have a Windows batch file set a variable according to a user input while inside an if statement. This doesn't happen during command execution, but before execution. Bash scripting is one of the easiest types of scripting to learn, and is best compared to Windows Batch scripting. How to get date and time in a batch file. gives a blank line. set result_file=result. In a batch file we can use loops (for), conditional statements (if), control statements (goto), etc. DSGET attribute to variable in batch file. 2 replies Last post Apr 28, 2009 04:58 PM by rdavidson22 When I echo my HMDR variable it shows like this:. *** DOS users may employ XSET to pipe a file name into a variable and use its "/SEPARATOR" switch to remove white space. I have a domain login script (batch file) that calls an autoit script that basically just uses the macro @OSversion to determine what the operating system is running the script. Here is the solution for you. Silly batch file tricks, redirecting stdout into an evironment variable and %~dp0 Friday, March 24, 2006 Some things in batch files seem like they should be so simple, but I'm embarrassed to say how long it took to come up with this little trick. When the command processor interprets a batch file, it does it like this: - Read a line of code. com I occasionally need to do brute-force scans or commands on networks or computer names and have found many occasions to use a script similar to this. The trick is to find something unique you can add to the desired lines that won't affect what those lines do. In particular, do NOT ever use "set ERRORLEVEL=5" or similar. Hello, I have made a batch file that will ask you what file name you want to open and what directory it's in. Hi, I'm Steve. 0\currentBatchPath. How to Use the Microsoft Batch File Language. Disk in use-- If the nul file exists on drive "h" output disk in use. By default, variables are global to your entire command prompt session. bat is done. Since the introduction of delayed variable expansion a new challenge is to escape exclamation marks, the "delayed" version of the percent sign. Once this file is created, open the Windows Registry Editor regedit. This does nothing except read a file line by line and echo it. We can then use SCCM to report on the values in these keys. Batch 49 Copying Files by John Hammond. Add floating point numbers in batch file. A shell script is a plain ASCII text file and can hence be created with any text editor (even vi!). Here is the solution for you. As with earlier examples, DOS will replace the variable `%F' (or `%%F') with the specified item(s). I also experience certain machines where the system "SET" variables %homedrive% & %homepath% do not populate when running a batch file from the Windows Task Scheduler, though they DO populate when. txt goto launch This just writes "ECHO is off" into the variables. Rem Turns the echo on so that each command will be shown as executed echo on echo "Hello World" Rem Turns the echo off so that each command will not be shown when executed @echo off echo "Hello World" Rem Displays the contents of the PATH variable echo %PATH% Output. Below is a sample batch script which gets current date and time. Variables created using SET will last as long as the command window is open then be deleted. Note: When you execute this command right from the command prompt by copying it and pasting it will work, but when you create a batch file using this code, won’t work, because when you are using it in a batch file, you are supposed to use %% preceding the variable name, in this case the following code will work if you try to execute as a batch,. The environment variables that you set in a batch file are indeed not persisted on the user or system level. echo %temp% Outputs the content of temp variable even if run from a batch file. The way this is used to target our. In a batch file, the @ symbol at the start of a line is the same as ECHO OFF applied to the current line only. *** DOS users may employ XSET to pipe a file name into a variable and use its "/SEPARATOR" switch to remove white space. A batch file is simply a text file saved with the. Windows 2000/2003 Batch file variables / wildcards By cburnham · 13 years ago I am writing a batch file to copy a *. In this tutorial, you will learn about batch file commands and how they are used in batch file scripting or programming. Variables: set example="text" echo %example% > file. Arguments can be passed either as a simple string or using a variable: CALL MyScript. Hello, I need a batch file to get the current date and time of my computer and put it in a text file every time I run it. GOTO Start – tells the batch file to return to the Start line in the beginning that will allow you to make another selection. Moves files from one directory to another. - Execute it. The environment variables that you set in a batch file are indeed not persisted on the user or system level. For security, the eval() function can be replaced with str(). Batch file - shorten. Batch 49 Copying Files by John Hammond. cmd') do SET OUTPUT=%a. First, copy and paste the text in quotes to a text file. Öffnen sie eine Textdatei und schreiben sie folgendes hinein: @Echo off echo Hello world pause speichern sie nun die Textdatei als. the equivalent of the ones listed above)which can be. Batch file variables don’t need a declaration, in fact, the value is directly assigned to a variable using SET command. Using this option allows you to update the backup directory only with files that have changed since last time you ran it (rather than copying all files). Normally lines in the batch file are echoed to the console, unless the batch file starts with '@echo OFF' - this can later be turned on with '@echo ON', or the command is preceded with an '@'. A Windows batch file is a special type of script that can be run by the Windows command line tool, known as cmd. bat (cmd) shell By neokrates, written on November 10, 2010: howto […]. %variable% {Variable: a string of uppercase characers in the environment associated with a string value. DOS is basically a file called command. com I occasionally need to do brute-force scans or commands on networks or computer names and have found many occasions to use a script similar to this. [Batch file] - Output of a command to variable If you want to set the output of a command to a value you have to capture it in a for statement like this: for /f "tokens=2 delims=:" %%a in ('systeminfo ^| find "OS Name"') do set OS_Name=%%a. The variables created in the previous file can be visited in the following file. batch file abc's definition: This tutorial is for Windows PC users who want to routinely perform a series of file management operations without having to enter commands one at a time. No need to use a batch file, the easiest way in XP is to do a search for all files and directories in your folder, choose the detail view and sort by date ascending. bat) (echo message) >> example. Code: savePersistentVars-- Save values of persistent variables into a file:-- %~1: batch file name to save to. Security implications of forgetting to quote a variable in bash/POSIX shells – glenn jackman Apr 1 '16 at 14:44. Same goes for other stuff in batch. Rem Turns the echo on so that each command will be shown as executed echo on echo "Hello World" Rem Turns the echo off so that each command will not be shown when executed @echo off echo "Hello World" Rem Displays the contents of the PATH variable echo %PATH% Output. Hello, I have made a batch file that will ask you what file name you want to open and what directory it's in. > rid of them in the batch file. Actually, how do I 'output' from a batch job to a variable? Like Rick replied, but I don't see the 'capture from job output' tab to use, thus I'm checking whether I can just do an echo in my batch job and have the batch file path assigned straight to the variable value. Then launch GRASS and it will be executed. Normally a command is executed and takes effect from the next line onwards, @ is a rare example of a command that takes effect immediately. As others have pointed out, conveniently, %computername% is a variable containing the exact same information as running hostname. Développé par une jeune pousse française, UR est un navigateur Web gratuit qui mise sur la sécurité et la confidentialité. Note also that "SET" can be used to read user input into a variable. The variables created in the previous file can be visited in the following file. Windows 2000/2003 Batch file variables / wildcards By cburnham · 13 years ago I am writing a batch file to copy a *. This doesn't happen during command execution, but before execution. Extract the filename without the extension : ~n. Hello, I'm a complete noob. Below is an example of the code I used to do this. It's not really an environment variable like other variables. This can make for messy looking scripts because to run setup. Batch can do it, but the variable assignment needs to be a sub routine of the FOR loop. Obfuscating windows batch files using undefined environmental variables Marcin Chwedczuk 26 Sep 2016 on Windows In this post I will present an old trick from mid 90s used by hackers to obfuscate code stored in Windows. If you ever wanted batch file codes that do interesting and fun stuff that you can just scare and amaze your friends with, or just to make it seem like you know allot about computer hacking well than here's the right place. In the table below "1" is used (for the first parameter). Oracle rman backups from Windows Script Oracle Database Tips by Donald Burleson Scheduling tasks such as an Oracle rman backup can be challenging in a Windows environment without a third-party approach such as SFU, JavaScript or Visual Basic. It would obviously be very convenient if you could access Task Sequence Variables as environment variables. Below is the entire Document. Suppose you want to echo "Hello, World" without new line echo | set /p dummyVar="Hello, World"::Similarly if you have variable you, can echo that as well set var1="Hello, World 2!" echo | set /p dummyVar=%var1%. How to Use the Microsoft Batch File Language. @rem The parameter name 'variable' must be 1 character FOR %%variable IN ( set_of_files ) DO command @rem Hoặc: FOR %%parameter IN ( set_of_files ) DO ( command ). If run from a batch, sets modulo variable to 2, the remainder of dividing 14 by 3. %~dp0 is the Windows equivalent of `pwd` in bash. How to Write a Batch File. If you precede an environment variable setting with the SETLOCAL command (on a line of its own), then environment variable changes are local to the batch file. So you set it up so that the batch file's main line reads: COPY %1. edited jun 29 '12 at 15:20. Batch File Command Reference A modification of the Microsoft documentation covering the basic batch file commands for Windows 2000, including CALL, ECHO, ENDLOCAL, FOR, GOTO, IF, PAUSE, REM, SETLOCAL, SHIFT and variables. If 1, 2, or 3 is entered, goto goes to the corresponding label and performs the echo and goes to the end of the batch file. The environment variables that you set in a batch file are indeed not persisted on the user or system level. txt and assign the var1 variable in RunBatchFile to the value a and set the var2 variable in RunBatchFile to the value b, based on a read of config. pst file from user machines to the server upon user logoff. batch file counting variables tutorial lesson 4 - Duration: 6:36. To prevent echoing all commands in a batch file, include the echo off command at the beginning of the file. By default, variables are global to your entire command prompt session. Batch file variables don’t need a declaration, in fact, the value is directly assigned to a variable using SET command. So you set it up so that the batch file's main line reads: COPY %1. Security implications of forgetting to quote a variable in bash/POSIX shells – glenn jackman Apr 1 '16 at 14:44. The example shows how to return the first 4 characters of a string. Not So Basic Batch Tutorial: In the previous tutorial we learned the core essentials of writing batch files. variable in dos batch file Sir I have a very old cobol programme (source not availble). 0\currentBatchPath. Arguments handling in a batch file Tag(s): Misc Prog HowTo Each argument passed to BAT (or CMD) file is accessed with %1, %2, Or use %1 every time and when the processing of the current argument is done then use the command shift to switch the next argument into %1. bat") echo message > example. This is one of the main reasons we constantly harp "quote your variables". I know the following batch command echos all the files: for /r %%i In (*. You can't change the user or system environment variables by setting environment variables in a batch file, and I don't know of any other way to do this from a batch file. Arrays in Batch Files by Jakash3 Written by Jakash3 December 18,2009 It is now possible to create arrays in batch files. FOR /L %%a IN (9, -1, 0) DO ECHO %%a Variables. Ah, That will mean I cant use this idea then, though its a good one. bat (cmd) shell By neokrates, written on November 10, 2010: howto […]. I'm able to do it if I know what value I'm looking for in the txt file, but I'm not able to read line by line. How to Use the Microsoft Batch File Language. The basic syntax is: %string:SEARCH=REPLACE%. The example shows how to return the first 4 characters of a string. Let us first understand how to create variables in batch file programming and go deeper into this concept. In this tutorial you will learn more advanced commands and how to use. rem # if you put only the file name, then it will be written on the same folder as the batch file. Batch files may be considered "old hat" by a lot of people (or a complete mystery to the younger ones!) but they are sometimes still the easiest way to execute simple jobs as they have practically no requirements other than a command shell process to run within - yes there is a strong probability that. txt; Now start the PowerShell session, read the file contents into a variable. I'm a software developer loving life in Charlotte, NC, an (ISC) 2 CSSLP and an avid fan of Crossfit. This is what I have so far: :varecho echo %GAMEPIN% > variables. windows,batch-file. The only problem is that I can't open files with spaces in the name because it treats the first word as the whole file. And I need to manually assign variable to "/a/b/c/file1/txt" , which has common text before "Calculated summary file:". On execution and invoking some menu commands, depending upon the "pressed menu commands" it is writing certain values into a dos batch file. The command interpreter is intelligent enough to understand certain values given to variables. Batch File, How to declare Variables, Using FOR loops in batch file second option set has to take input from User /p echo Addition of Two numbers set /p var1. bat[/code] [code]@echo off echo Reading hold. bat is done. You can't change the user or system environment variables by setting environment variables in a batch file, and I don't know of any other way to do this from a batch file. mixed in there. The following code will show if a variable MyVar was defined or not: IF DEFINED MyVar (ECHO MyVar IS defined) ELSE (ECHO MyVar is NOT defined) The following code, which works in batch files for all MS-DOS, Windows and OS/2 versions, uses an alternative way to show if a variable is defined or not:. I wanted to be able to see the image's timestamp displayed while my batch is running. I was recently playing around with batch scripts (*. The options for setlocal only works inside a. If you want the script to continue even if some of the statements in it produce errors, you should use the --force command-line option. A batch file contains a series of DOS (Windows language) commands, and is commonly written to automate frequently performed. Set command: the variable of batch files- Set command is used to create environmental variables. txt [/code]and to call it: [code]ren points. exe is invoked. I have this batch file. When coupled with my echoj utility ( see Yet Another Enhanced Echo Command), one can devise batch files that color individual sections of text. GOTO Start – tells the batch file to return to the Start line in the beginning that will allow you to make another selection. The values can easily be restored by executing this batch file. And I need to manually assign variable to "/a/b/c/file1/txt" , which has common text before "Calculated summary file:". The basic syntax is: %string:SEARCH=REPLACE%. As we don't want to overwrite our original file, we want to create a new file with something appended to distinguish it from the original. Batch 49 Copying Files by John Hammond. If VARIABLE does not exist, the statement is true and control of the batch file jumps to the MODULE section. txt) do echo [%%i] The loop variable in the FOR command takes one percent sign if you are executing it directly from the command prompt, but two percent signs if you are executing it from a batch file. I've been searching on the net and I found some variable like DATE/T and TIME/T but I'm stuck. Microsoft Visual Studio integrated development environment doesn't run DOS commands, but you can change that fact with a batch file. shell> mysql -h host-u user-p < batch-file Enter password: ***** When you use mysql this way, you are creating a script file, then executing the script. Local variable can be used in same shell only. echo %RESULT% pause cls How to create a simple batch file - Duration: 7:42. You may have to register or Login before you can post: click the register link above to proceed. Be cautious of manipulations with ERRORLEVEL. Suppose you want to echo "Hello, World" without new line echo | set /p dummyVar="Hello, World"::Similarly if you have variable you, can echo that as well set var1="Hello, World 2!" echo | set /p dummyVar=%var1%. Obfuscating windows batch files using undefined environmental variables Marcin Chwedczuk 26 Sep 2016 on Windows In this post I will present an old trick from mid 90s used by hackers to obfuscate code stored in Windows. bat file extension. A shell script is a plain ASCII text file and can hence be created with any text editor (even vi!). Security implications of forgetting to quote a variable in bash/POSIX shells – glenn jackman Apr 1 '16 at 14:44. To prevent echoing a particular command in a batch file, insert an at sign (@) in front of the command. The %TIMESTAMP% syntax can be used as: A locale-independent alternative to the date command/variable; 1. How to get date and time in a batch file. I hope this helps. If VARIABLE does not exist, the statement is true and control of the batch file jumps to the MODULE section. The jobs write to the files in the following format, with each line containing a variable-value pair:. The COLOR command only defines the color of the entire window console. When the end of the second batch file is reached (or if EXIT is used), control will return to just after the initial CALL statement. The way this is used to target our. As others have pointed out, conveniently, %computername% is a variable containing the exact same information as running hostname. ECHO ON (Default) displays all commands to screen along with output. This means that other batch files, including rerunning the batch file that created them, can access and change these variables until the command window is closed. The command interpreter is intelligent enough to understand certain values given to variables. DOS will eliminate the first percent sign preceding the `F' character in each instance when used in a batch file. Used to send text to the screen or a file. Understanding Batch Files. The trick here in this batch file example is to have it hit "Enter" for you and also to isolate the current date and make it an environment variable. (Snip) > -H. ECHO File "%1" was not Found in DOCS. Read Registry value into a batch variable 2019-03-10 Udar Gromov Office and Browsers 4 Before I forget, let me share with you a fantastic way to read values from Registry into a batch file variable. GOTO Start – tells the batch file to return to the Start line in the beginning that will allow you to make another selection. In its most simplest form, a batch file is simply a text file that contains a bunch of commands to run. To call two. bat ren points. How do I "echo" a variable in a batch file? Ask Question The syntax is set /P variable=prompt text or Browse other questions tagged windows batch-file. Sets an environment variable *** Very useful !! ie: set imageloc=win95 Now, whenever the batch file sees %imageloc% , it will replace that with win95. In a command prompt window executing the command line set /A Value=8 % 3 assigns the value 2 to environment variable Value and additionally outputs 2. The idea is that a 4DOS batch file can "call" GETOPTS, which locates and parses each option and sets environment variables, while the parent batch file determines which switches are allowed and handles other details. This is generally not difficult, as DOS batch file operators are only a limited subset of the equivalent shell scripting ones. bat script Howto echo or get file timestamp (date) in command (cmd). Batch 49 Copying Files by John Hammond. Used to send text to the screen or a file. Put the variable inside double quotes. I am FTPing a file once a minute from a camera server, and sometimes the server hangs and doesn't update the image, so the time stamp doesn't change. Note: The operator % must be written in a batch file as %% to be interpreted as operator. ECHO OFF ECHO GeeksforGeeks. Hiding Password Input in Batch Files It is sometimes necessary to ask user a password from a batch script. how to echo a greater than sign in a batch file Seems to be a "google groups" thing. Silly batch file tricks, redirecting stdout into an evironment variable and %~dp0 Friday, March 24, 2006 Some things in batch files seem like they should be so simple, but I'm embarrassed to say how long it took to come up with this little trick. bat batch files edit Try Documentalist , my app that offers fast, offline access to 190+ programmer API docs. - Execute it. Today's date as a part of the file name in the batch file 06. Unlike powershell however, it appears batch files cannot interpret MSBuild variables. First off, this is a single windows. 2 replies Last post Apr 28, 2009 04:58 PM by rdavidson22 When I echo my HMDR variable it shows like this:. In the table below "1" is used (for the first parameter). Batch file to detect first free drive letter. In general, that won't make it any easier to read or debug your batch files, however. Notice that if we "SET" environment variables in a batch file, we can check their values simply by invoking the "SET" command without any arguments. bat (cmd) shell By neokrates, written on November 10, 2010: howto […]. In its most simplest form, a batch file is simply a text file that contains a bunch of commands to run. ECHO Command. The COLOR command only defines the color of the entire window console. For security, the eval() function can be replaced with str(). txt) DO ( ECHO Line is: %%a ). Silly batch file tricks, redirecting stdout into an evironment variable and %~dp0 Friday, March 24, 2006 Some things in batch files seem like they should be so simple, but I'm embarrassed to say how long it took to come up with this little trick. This makes it easier for the administrator to maintain. bat batch files edit Try Documentalist , my app that offers fast, offline access to 190+ programmer API docs. Here it goes. This is only one of many uses for batch files. As we don't want to overwrite our original file, we want to create a new file with something appended to distinguish it from the original. In this tutorial, you will learn about batch file commands and how they are used in batch file scripting or programming. How do I "echo" a variable in a batch file? Ask Question The syntax is set /P variable=prompt text or Browse other questions tagged windows batch-file.