Batch not equal errorlevel. Use if errorlevel, not if %ERRORLEVEL% – Steve Carter.

Batch not equal errorlevel In your example, if errorlevel 1 if not errorlevel 2 echo %%i no process found !errorlevel! ) Share. . txt file. If you use -Command (implied with powershell. txt ECHO ** EXIT %LEVEL% ***** Second sample: In this batch file ERRORLEVEL is displayed correctly (First option returns 1 and the second returns 2): @echo off choice /C YN /M "Yes or No" echo The actual errorlevel is: %ERRORLEVEL% pause exit (1 will never be equal to 1) I'm having a hard time envisioning when ECHO would fail with a returned ERRORLEVEL not equal 0. Locked post. if errorlevel 1 exit /b %errorlevel% I wonder the difference between. e. exe' is not recognized as an internal or external command, operable ErrorLevel is not being reset. pl !testNum! set lineCase=!ERRORLEVEL! echo linecase is !lineCase! Okay I am trying to ask the user the below question in a batch file but don't think that I am entering the correct choice command. BAT batch script running the internal commands: APPEND, ASSOC, PATH, PROMPT, FTYPE and SET will only change the ERRORLEVEL if an error occurs. Check this small example: @echo off call :setTwo echo Set two: %errorlevel% call :preserve echo Preserve: %errorlevel% call echo Reset echo Reset: %errorlevel% call :subNotExists 2> NUL echo Sub Windows GUI programs aren't meant for console use; so they most often return False == 0 to the OS. command echo %errorlevel% The taskkill clears ErrorLevel when you have provided a filter /FI which results in no match! However, when you only filter for image names (/IM) or process IDs (/PID), ErrorLevel becomes set to 128 if no matches have been encountered. bat 2 3 9009 Errors occurred. Thanks ]. if condition then command [ else command] In DOS (COMMAND. I suppose it could fail if the output has been redirected to a file and the target drive is full. In this batch script I'm testing the errorlevel return of expected 1, but its echoing 0. Your description of CALL command is incomplete:. For instance if foo. I pulled this from the example code in your IF NOT ERRORLEVEL 1 means if ERRORLEVEL is less than 1 (Zero or negative). before program is run) do note, if you either want a task to run if variables match, and if not try the next match, you can use multiple of these. errorlevel <number>: Specifies a true condition only if the previous program run by Cmd. Asking for help, clarification, or responding to other answers. I've Use in reverse order or if errorlevel 1 if not errorlevel 2 – user6017774. exe if %ERRORLEVEL% GEQ 1 EXIT /B 1 This is a check after app2 for errorlevel. * (Windows 95/98), or Like any scripting or programming language, the batch language provides conditional execution, i. I changed the if/else statement above to be if not errorlevel 2 due to advice in the comments. bat scripts works; @echo off :: run the test %CMDFALSE% echo %ERRORLEVEL% - should be 1 %CMDFALSE% & not echo %ERRORLEVEL% @dbenham You are right. Commented Jul 21, 2016 at 2:16. If you want to use a . bat > file. 3. bat file), I want to check if a file exists. Problem is that I need to add an "if not equals" but when I try to execute it the code does not work. echo Would you like to know the is actually testing to see whether %ERRORLEVEL% is equal to or greater than n. But this only works if your script has a . Similarly, " if not errorlevel n " is true if the errorlevel is less than n . To check for a missing ValueName use IF ERRORLEVEL 1. exe' is not recognized as an internal or external command, operable program or batch file. IF ERRORLEVEL 0 is therefore always true. bat extension. The if command allows the usage of the if errorlevel n syntax to check if the value of the errorlevel variable is greater When the cmd parser reads a line or a block of lines (the code inside the parenthesis), all variable reads are replaced with the value inside the variable before starting to execute the code. Errorlevel is now 1. if errorlevel 1 (dothisthing if errorlevel is 1 or greater) else (dothatif errorlevel is less than 1) A user defined errorlevel can mask the dynamic value that we are trying to access. Provide details and share your research! But avoid . Noting that REG has two return code. if condition then command [ else command]. The solution is simple - delayed expansion. bat" "C:\MyFolder" /s /y EDIT by dbenham I'm trying to create a batch file that performs different 'choice' command based on the version of Windows being executed on. Sounds like you'll want the "If Errorlevel" command. Convention is that 0=success, but conventions are sometimes broken. Wscript. @setlocal enableextensions enabledelayedexpansion @echo off set ipaddr=%1 set oldstate=neither :loop set state=up ping -n 1 !ipaddr! >nul: 2>nul: if not !errorlevel!==0 set state=down if not !state!==!oldstate! I want to create a batch file rogue like, however I need to fix a slight problem. This form of “if” statement (with a variable called errorlevel) is the newer form that was introduced in Windows NT (I think) and it if errorlevel == 0 do-something is not valid syntax. What am I doing wrong? Use NEQ instead. cmd extension will set your ERRORLEVEL to 0 if you set or clear a variable! To make matters worse, XP will set ERRORLEVEL to 1 if you attempt to undefine a variable that does not exist. See SS64 on ERRORLEVEL. Modified 8 years, not when it is executed. Evidence for Bob: NOT: Specifies that Windows 2000 or XP should carry out the command only if the condition is false. bat Errors occurred. According to this, !==! is the not-equal string operator. setlocal EnableDelayedExpansion for "usebackq" /F %%A in ("main. txt" > NUL & IF NOT ERRORLEVEL 1 ECHO String was found Took me ages to work Sorry but It is working as intended. Apropos of nothing, The errorlevel. The exit code of the batch file is 0 on no command exits with a value greater or equal 1. Commented Feb 15, Using "color 00" to set, or "color" to reset the ERRORLEVEL status does work - except when a script is being redirected to a file. checks to see if ERRORLEVEL is greater than or equal to one. so you have to test errorlevel values from highest to lowest because if errorlevel 1 then if errorlevel 1 will be true, but if errorlevel 0 will also be true You are not evaluating a condition for the IF. IF ERRORLEVEL 4 . Also keep in mind that you must check your conditions in reverse because: IF ERRORLEVEL 1 . To check the value of errorlevel you can use: if %errorlevel% == 5 ( echo some command ) Or. exe || goto :fail exit :fail echo Errorlevel is now !errorlevel! 'mybad. ) can lead to such unexpected results (but can be useful whilst debugging - you can set one of these "variables" to a known value) The really easy 2-second way of testing this theory (which may or may not be a cure) is to simply include the line. bat: This is a check after To check errorlevels during batch file development, use either COMMAND /Z yourbatch. ) dfc. Alternatively, you can use %errorlevel% instead and then just use it like a Test for errorlevel If errorlevel n if not errorlevel n+1 <command to do> As errorlevel tests always test for a number equal or Call Perl TestProp1RefcheckLines. It can be done without GOTO using: I have the following windows batch code: for %%i in (iidbms iigcc iigcd dmfacp dmfrcp rmcmd qwerty) IF ERRORLEVEL returns TRUE if the return code was equal to or higher than the specified errorlevel. What you need if you only want to test if a phrase is in a file: find "string" "test. Run this test script to confirm that the not. For a person there is no noticeable difference if Windows command interpreter calls twice strtol to convert the two arguments to signed 32-bit integers and then compare the integers or use strcmp and detects on second byte compare if the strings are not equal. if errorlevel 1 exit /b and. It returns 0 if thawed, or 1 if frozen UPDATED: If you put your echo %ERRORLEVEL% statement after the closing ) of the for statement it works as expected. Let's look at examples of how these can be used, by running some commands on the Windows command line . bat and re-raise it to app1 otherwise . Yes, and thanks to your note about help if I was able to find out that errorlevel can be treated as any other variable, and I also saw that indeed errorlevel operates as you say (if errorlevel 0 is true if errorlevel >=0). That code is in the middle in order to halt execution if candle. exe console program, call it via Cscript. If I don't do the file test, everything is fine. bat IF NOT ERRORLEVEL 0 XCOPY "C:\OtherFolder\fileToCheck. Scripts with . That form of expansion occurs at parse time, but the entire IF construct is parsed at once, so the value of %errorlevel% will not change. What is actually happening is that IF ERRORLEVEL 0 does not behave the way you expect. The conditional expression "if errorlevel n" is true if the errorlevel is greater than or equal to n. Do NOT use SET ErrorLevel=6 as this will render the Errorlevel variable static. Batch Script ErrorLevel Output. You can use operators (&& == return 0 and || == return non 0) instead errolevel2. Therefore I would prefilter the processes by tasklist and use taskkill together with its /PID filter::LOOP rem // Establish a short The syntax of the if statement is if string1==string2 (there are other comparison operators). bat: app2. txt") do ( > nul ping -n 1 %%A if !ErrorLevel! EQU 0 ( robocopy "C:\Blah" "C:\Bloh" echo FILE COPIED ) else ( iff %ERRORLEVEL% GE 1 then iff %ERRORLEVEL% NE 255 then goto :NotClosedByUser endiff endiff With iff one doesn't have the caveats about variable expansion happening "too soon" that one has with parenthesized compound commands. I referenced TechNet(Exit) and many examples on google. It should be: IF ERRORLEVEL 0 GOTO OK Batch ERRORLEVEL not working properly. Script: Since you have two (almost) identical loops, you could move the common part into a sub-routine, call it by call and provide the differing items as arguments. <command> Assigning any value to errorlevel or its chums (date, time, random etc. IF Parameter Description; not: Specifies that the command should be carried out only if the condition is false. Commented Aug 23, 2018 at 10:40. 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 Not sure what is missing in this windows batch and winscp commands, there's no need for the if not errorlevel parts. The only test you can do with errorlevel is to test whether it is greater than or equal to value. The documentation from Microsoft lists the following operators:. COM), condition can be: [NOT] ERRORLEVEL number [/I] [NOT] string1==string2 [NOT] EXIST filename. If > 0, then the . Use if errorlevel, not if %ERRORLEVEL% – Steve Carter. errorlevel will never be equal to 0 because the strings "errorlevel" and "0" are compared. I am using echo to tell me what the errorlevel is, and for me it won't pass C:\ProjectDoc>add3. To avoid goto :PROBLEM to be executed in the sub-routine, you could let the sub-routine return an ERRORLEVEL whose state decides whether the goto command needs to be executed. The syntax you need is either. setlocal enableDelayedExpansion mybad. The way "IF ERRORLEVEL" works means if the errorlevel is equal to or greater than. IF ERRORLEVEL 0 ( returns true for all FIND commands. bat contains a color command to reset the ERRORLEVEL it will not work if you call foo. So your first testIF ERRORLEVEL 0 goto copy actually means if the errorlevel = 0 or 1 or 10 or 64 or any number greater than 0. If executed from outside a batch script, it will quit CMD. The compare op's available (And recommended) for cmd are below (quoted from the if /? help):. 3) Failure piping, goto. Share. exe commands (like find or findstr), and by certain specific internal commands (like verify that set errorlevel=1 when its parameter is wrong, or ver that always set the errorlevel=0. If you want to set an errorlevel inside a batch file, for example to test an external command used by that batch file, you can use CMD. g. This is not very readable or user friendly and does not easily account for negative error numbers. Based on some quick tests, it would appear that the command processor is reinterpreting it as. In NT (CMD. bat "c:\myfile1" "c:\myfile2" "c:\myfile3" and have it command if errorlevel 255 echo 255 if errorlevel 254 echo 254 if errorlevel 253 echo 253 if errorlevel 1 echo 1 if errorlevel 0 echo 0 The interpretations in a natural language are then up to you, as you should know what exactly you did try there. If the execution of the code in the block changes the value of the variable, this value can not be seen from inside the same block, as the read operation on the variable does IF ERRORLEVEL X checks if errorlevel is equal or greater than X so IF NOT ERRORLEVEL 0 checks if the errorlevel is less than 0. So, U added an echo for the ERRORLEVEL to see its value after executing the command SET. For example copy x y if %errorlevel (in decreasing order since errorlevel is a "greater than or equal to" check): if errorlevel 2 ( echo Copy x y failed due to reason 2 exit /B UPDATE: Thanks for all the discussion so far but I feel it's getting lost in the weeds which is probably my fault for being too vague in my original question. By using setlocal EnableDelayedExpansion, the "!" will not be treated as a character, failing to compare The easiest way to solve this problem is to use the %errorlevel% value to directly go to the desired label: echo 1-exit echo 2-about echo 3-play choice /c 123 >nul goto option-%errorlevel% :option-1 rem play blah :option-2 rem about blah :option-3 exit cls Within a block statement (a parenthesised series of statements), the entire block is parsed and then executed. bat eats the errorlevel and app1 never knows. In DOS (COMMAND. EXE, Windows NT 4 and later) numerical comparisons Note that the IF command has the logic that it returns true if ERRORLEVEL is greater than or equal to the following number! So. Comment: "Actually you do not need the if at the bottom of BuildInstaller. Improve this answer. Batch ERRORLEVEL not working properly. However, the number of CPU instructions to execute is for the integer comparison @dbenham: I think that the fact that the problem is in BuildInstaller. What I think I'm really after (if possible) is a definitive statement about when the errorlevel is (supposedly) evaluated in the following statement:. Trying it, I get: !==! was unexpected at this time. txt In this case the color command, with or without arguments, will only set ERRORLEVEL. Related stuff • Use EXIT in Windows 2000 (and later) to set errorlevels. Modified 2 years ago. Errorlevel checking is done as a greater-or-equal check, so any non-0 exit value will trigger the In a pre- or post-build event, if the return code of an executable is greater than zero, and the call to the executable is not the last line of the pre- or post-build event, a quick way to mute it and avoid triggering a check for a non-zero errorlevel is to follow the failing line with a line that explicitly returns zero:. exe returned an exit code equal to or greater than number. EXE /K EXIT 6 to set errorlevel 6 and continue. %ERRORLEVEL% NE r/Batch is all about the Batch scripting language, but now the info screen is not working. Meaning ERRORLEVEL 0 is not In your code there is not any command that set the errorlevel. I am guessing you want to not copy if you find stringToCheck in fileToCheck. bat exits and sets errorlevel to 1 for the calling app1. Like any scripting or programming language, the batch language provides conditional execution, i. The > is used to redirect output; < used to redirect input, etc. findstr sets the errorlevel when it does not find any line that matches the indicated conditions. If you set it manually it will overwrite the 'real' value and this can cause some errors. if errorlevel 1 ( Standard delayedexpansion issue - you need to invoke delayedexpansion [hundreds of SO articles about that - use the search feature] in order to display or use the run-time value of any variable that's changed within a parenthesised series of instructions (aka "code block"). You may explicitly set this value in your code this way: The batch file first tests the maximum return status value. bat to display the errorlevel of every command executed in MS-DOS 7. You are requesting everything except (/v) one (or more) line(s) so if there is any other line inside the file then findstr will find it and the errorlevel will be 0 as there are lines matching the condition. Any help would be greatly appreciated. exe command containing findstr. Unless command extensions are enabled, you cannot easily access ERRORLEVEL in an echo statement. and. I take it its not equal to 0 because I don't see any outputs, it just flashes back the current screen. The environmental variable %ERRORLEVEL% contains the return code of the last executed program or script. exe" a -tzip -mx9 "C:\\temp\\Zip\\%%A. if %ERRORLEVEL% == 1 echo Exit code of previous command/application is 1. The reason operators like > are not used is because they have special meanings in shell scripts. Batch Script not raising ERRORLEVEL on failure. compound expressions with logical operators if %ERRORLEVEL% GE 1 . set "errorlevel=" Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The idea would be either to execute . exe if errorlevel 1 goto somethingbad echo Success! exit :somethingbad echo Something Bad Happened. pl !fileName! !testName! ) else ( rem if ref does NOT exist check one important line rem returns case number to check for perl. myjob. Follow answered Jan 31, 2018 at . EXE. bat/. cmd" Reply: "The if statement is there because that isn't the end of the file. Using App2 returns errorlevel 1 but you need to catch that in the . Basically, the test is not "Does errorlevel equal 0?", its "Is errorlevel greater than or equal to zero?". exe), the exit code gets mapped onto 0 or 1, based on the abstract 1. Within a block statement (a I would like to test for the success/failure of a copy in a batch file, but I can't find any documentation on what if any errorlevel codes are returned. So your script never gets to the 2nd test IF ERRORLEVEL 1 goto retry1 I have a . A simple test with an errorlevel works. exe is a file that deep freeze installs that can be used to determine. Indeed, but to spell it out: To make the PowerShell CLI (powershell. FOR opens here the batch file already executed by cmd. exe. exit /b 5 (or exit 5 which will exit the whole cmd session). Thank you, @Mofi! Yes, I totally agree, I think the if ErrorLevel syntax existed even before the pseudo-variable %ErrorLevel% has been introduced; anyway, people seem to be still confused by that syntax; I believe they run into trouble by misinterpreting if ErrorLevel 1 as "if ErrorLevel equals 1" rather than "if ErrorLevel is greater than or equal to 1", so they prefer the In my batch file (a normal *. ren "C:\\Temp\\%%A" "%%A" if errorlevel 0 ( "C:\\Program Files\\7-Zip\\cmdline\\7za. zip NOT: Specifies that Windows NT should carry out the command only if the condition is false. Now, I could use labels and goto, but I'm not really a friend of that. But this doesn't change the fact that "if not errorlevel 1 goto loop" is not working. I'm newbie in using batch on Windows and have a question about the use of errorlevel. exe specified with %~f0 which expands to drive + path + name + extension of the batch file itself because of option /F and processes it line by line. if %ERRORLEVEL% == 0 echo Exit code of previous command/application is 0. windows-10; batch-file; cmd. ERRORLEVEL number: Specifies a true condition if the last program run returned an exit code equal to or greater than the number specified. Here is a possible way: I am trying to write a subroutine in batch to determine if a computer has Deep freeze installed or is safely unfrozen. Assuming your executable returns a non-0 exit code on failure, you do something like: myProgram. Note that on Windows you can usually just do. [and ] have no special meanings on a string comparison. This value is set by all external . Why is water leaking What you've posted is not Windows batch file syntax; your question was about a batch file/cmd. – if %errorlevel% NEQ 0 ( should be. for /f %%i in ('cmd /c echo blah') do ( echo %%i | findstr bin > NUL ) echo %ERRORLEVEL% I'm kind of guessing here, for the exact 'definitive' reason, but setlocal is definitely causing it. Any %var% within the block will be replaced by that variable's value at the time the block is parsed - before the block is executed - the same thing applies to a FOR DO (block). 2. cmd /c "exit /b 0" Quits the CMD. Hot Network Questions I would like to be able to enter default names for all three files, to be used if the positional parameters are not supplied. Remember, if the return status value is greater than or equal to the value described by the if command, MS-DOS will execute the described command; If the batch file first tests whether the returned status value is 3, MS-DOS will always execute “goto user Ctrl C”, regardless of whether the returned status To set the errorlevel on exiting the batch file use e. ERRORLEVEL number : Specifies a true condition if the last program run returned an exit code equal to or greater than the number specified. 2\TestProp1noRefCases. When the character walks into a wall ( # ) I want the character to go back a step, and that works, however I cannot get the batch script to recognise if the character has walked into a wall! ‘If errorlevel’ syntax only compares the exit code with ‘greater than or equal to’, but by using ERRORLEVEL environment variable, that is a part of Extensions in Windows NT series, the exit code can be compared with ‘equal to’. if errorlevel n is true for any value equal or greater than n – MC ND. CALL : Clears ERRORLEVEL if the CALLed command does not otherwise set it. When I issue the command the log file never get's generated. exe fails" I just assumed that "in the middle" imply "inside a block". This site is not a free conversion service, so I have removed your invalid code, please take the tour, and read How to Ask again to refresh your understanding of how this site works. exe; Share. Below is the output: C:\ProjectDoc>add3. Viewed 7k times 1 . exe for Windows PowerShell, pwsh for PowerShell (Core) 7) report the exit code of a script file (*. Batch %errorlevel% returns 0 in FOR loop. Most of them used /b with %errorlevel% like this. (call) sets the errorlevel to 1 (call) SET LEVEL=%ERRORLEVEL% IF ERRORLEVEL 1 ( SET /A ERRORCOUNT=ERRORCOUNT+1 ) ELSE ( SET /A OK=OK+1 ) ECHO/ >> logtemp. Operator | Description EQU | equal to NEQ | not equal to LSS | less than LEQ | less than or equal to GTR | greater than GEQ | greater than or equal to This is related to my earlier question. 0 windows batch errorlevel with if. press any key to exit. IF ERRORLEVEL 0 matches return codes equal to or greater than 0, which will always match. EXIT [ /B ] [ exitCode ] /B Specifies to exit the current batch script instead of CMD. Ask Question Asked 13 years, 3 months ago. I'm working on a batch script that will move files from user directories on a VM and generate a log file of the files that were moved. Otherwise you can use: if %val1% equ %val2% ( rem do stuff here ) else ( rem do other stuff here ) In batch, the > is a redirection sign used to output data into a text file. vbs from a . I'm assuming the value of the ERRORLEVEL within the for Try adding a line echo errorlevel=%errorlevel% directly after the sqlcmd line, which will show you the errorlevel returned. program || exit /b Is it really evaluated early (i. Use/add Usebackq in your For /F loop, this will output the lines one by one as if in double quotes, avoiding possible failures where the lines contain &, (, ), |, &, <, >, etc. if errorlevel 0 means "if errorlevel is greater than or equal zero", that is, The syntax is not correct for use in a batch file. [ Brought to my attention by Maor Conforti. So the IF inside the compound statement is really comparing "before" with "after" which will never be equal. COM), condition can be: The conventional technique to check for a non-zero return code using the NEQ (Not-Equal-To) operator of the IF command: IF %ERRORLEVEL% NEQ 0 ( REM do something here to address the error ) Another common A . Your errorlevel checking it the wrong way round. Example: call echo OK. Other internal and external if %errorlevel% equ 1605 goto :not_installed. cmd is clear enough. And take a look at: App2 returns errorlevel 1 but you need to catch that in the . bat file to execute in a windows server 2012 R2 machine. SET FLAG = N sets a variable named "FLAGSpace" to a value of "SpaceN" IF ERRORLEVEL n is TRUE if errorlevel is n or greater than n. Hence, %errorlevel% is replaced by the value of errorlevel at parse-time. exe is such a program. exe c:\ExecutionSDKTest_10. In 2003, he began a Web site known as The Old New Thing which has grown in popularity far beyond his wildest imagination, a development which still gives him the heebie-jeebies. 1. Use conditional execution or IF %ERRORLEVEL% NEQ 0. Hot Network Questions Capacitor delay circuit specific component selection What is a "section verte" in the context of schooling? Expected value of actions until two independent events occurr. What errorlevel is returned when you successfully delete a database? The echo is off is appearing because you are not assigning anything to message so echo will I suppose your problem is not the errorlevel, it's your foo. if errorlevel 1 exit /b %errorlevel% Dennis van Gils points out a way how to do it -- using if/else logic (his method as well as the following slightly modified snippet (applying numeric comparison) both require delayed expansion):. ps1) as the CLI's process exit code, use the -File parameter (implied with pwsh). ! true and ! false). If there is no file to copy, folder is empty, if errorlevel 2 means if exit code of command/application is greater or equal 2 and so if errorlevel 5 must be the first IF condition. I know that problem is in the if because I tried without the if and it works. The for /f executes the command in a separate cmd instance and the errorlevel from this instance is not exported to the code inside to do clause. C:\ProjectDoc> So, is this errorlevel in Windows equal to the $? of Linux. The better way to handle it in pure batch is: Send the output of the program to a temporary file Something equivalent to ! in Linux (e. I need help - I am trying to output any ErrorLevel that is 1 or greater into a log file. Similarly, the following example will not work as expected: The problem I'm encountering is the fact, that %ERRORLEVEL% is equal to 0, if the file exists - not if the registry key exists. (For those who don't know, Deep Freeze is a program that is commonly used to revert/prevent and disk changes in an Operating System. How to define a specific electrical impedance symbol in Circuitikz: a rectangle filled with diagonal red lines at equal intervals? However, as Gabe points out in a comment, you can just use ERRORLEVEL so the equivalent of that second script above becomes:. Ask Question Asked 8 years, 5 months ago. Raymond has been involved in the evolution of Windows for more than 30 years. The batch has to remove files and directories from specific locations and output success or stdout/stderr messages to a new . I have created the most of the script and it performs exactly as it should, except when the deletion is successful it moves forward to the next line rather than echo a 'successful' message on the log. EXE program (command interpreter) or the current batch script. The conventional technique to check for a non-zero return code using the NEQ (Not-Equal-To) operator of 'mybad. errorlevel is the name of a dynamic variable (it is not placed in the environment block but hold in memory) that stores the exit code of the previous executed process/command (if it sets that value, read here, here, here and here). if errorlevel 0 do-something I suggest using IF %ERRORLEVEL% NEQ 0 or IF NOT ERRORLEVEL 1 IF ERRORLEVEL 0 «success action» instead to support detecting negative return values and depening on But not using if errorlevel X or if not errorlevel X requires an operator like == between environment variable reference and the value, e. So, a series of tests would be: IF ERRORLEVEL 5 . cmd/. Batch is sensitive to spaces in a SET statement. bat with no parameters, and have it use the defaults, or execute. You need to do something like (code untested but you get the idea): CD C:\MyFolder findstr /c:"stringToCheck" fileToCheck. If /B is specified, sets ERRORLEVEL that number. exitCode Specifies a numeric number. if errorlevel 5 ( echo some command ) Conditional execution. 0. CptHammer has posted a good solution using ERRORLEVEL, although it uses GOTO unnecessarily. Windows batch if not equal do not execute if clause. Method: In . xbopu cptvpkb umjfwfq ran vmqjiv ispecrhu gcb avilb btrjvs mrn