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example Code: [myprompt]$ cat 081124_returnval-1.c #include int main(void) { if(printf("hello \n") ) return 1; return 2; } [myprompt]$ ./081124_returnval-1 hello [myprompt]$ echo $? 1 I see stuff about using an more common way to say "act upon word or a promise" A World Where Everyone Forgets About You How do I create armor for a physically weak species? When DOS or its software finishes a command operation, it usually generates a code upon exiting. SomeFile.exe IF %ERRORLEVEL% EQU 9009 ( ECHO error - SomeFile.exe not found in your PATH ) It’s hard to know this stuff upfront – I generally just use trial and error weblink

I was thinking more along the line where b.bat would abort early based on some condition:b.batCode: [Select]if not exist c:\file.ext exit 7
if not defined userprofile exit 9
exit 0
a.bat How to describe a person who always prefers things from other countries but not from their home countries? Move the echo and exit to an else branch. –Samuel Mar 9 '15 at 23:27 Good point. Related 15Exit batch file from subroutine0Program in batch file reading old version of newly altered file (XP)1How to determine the name of a file extracted from a zip archive via a http://stackoverflow.com/questions/2521818/easy-way-to-see-dos-command-return-code

Windows Batch File Return Code

So as an example, if one used the "FC" (File Compare) command and the outcome was that two files matched, a further procedure could be that the batch file be directed What is the most secured SMTP authentication type? Generate 10 numbers and move first number to the end 10 times more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info share|improve this answer answered Feb 28 '15 at 19:33 jonretting 36415 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign

There are utilities available that will display exit codes of a given command after completion, so it would be possible to develop a set for codes for a given command by How can I set up a password for the 'rm' command? share|improve this answer edited Aug 9 at 16:11 Dave Jarvis 17k26107211 answered Dec 2 '08 at 18:07 Samuel Renkert 7,06321626 18 If you're running directly from a Windows command line Windows Exit Code They only generate one of these at a time but could eventually output all 256 numbers.

You would have specific instructions for each possible outcome that the program might present upon its completion. Cmd Errorlevel Perhaps the syntax of the request was incorrect or the user pressed Control-C. A solution to do it in C++ looks like below: #include "stdafx.h" #include "windows.h" #include "stdio.h" #include "tchar.h" #include "stdio.h" #include "shellapi.h" int _tmain( int argc, TCHAR *argv[] ) { CString http://stackoverflow.com/questions/334879/how-do-i-get-the-application-exit-code-from-a-windows-command-line Solve equation in determinant Do you say prefix K for airport codes in the US when talking with ATC?

The best generate a large array with enough specific circumstances covered to be very useful. Batch File Exit Code 1 FIND will generate an exit code of `0' if it is, `1' if it is not, and a code of `2' if a problem regarding the FIND command occurs. Seems unfair that the microsoft tool gets fancy environment variable expansion, but the only API exposed does plain and ordinary expansion. (*) Really just the "Comments" section, not the entry itself. It's just a variable whose name happens to coincide with a command processor concept.

Cmd Errorlevel

Why shouldn’t I use Unicode characters to simulate typographic styles (such as small caps or script)? my response It's because the batch file has already displayed choices in the form of a menu via the ECHO lines. Windows Batch File Return Code Logged " All generalizations are false, including this one. " Print Pages: [1] Go Up « previous next » Computer Hope » Microsoft » Microsoft DOS » How to Cmd Set Errorlevel greveszTopic StarterStarter How to return success/failure from a batch file? « on: September 09, 2008, 02:31:33 PM » Hello,I am new to the DOS world.

If executed from outside a batch script, it will quit CMD.EXE exitCode specifies a numeric number. have a peek at these guys Make an interweaving quine Statements about groups proved using semigroups more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact See "if /?". Here's a simple "menu" batch file: :: MENU.bat :: @ECHO OFF :MENU ECHO MENU ECHO. Errorlevel Codes

If > 0, then the .bat exits and sets errorlevel to 1 for the calling app1. Why not just have an environment variable called %ERRORLEVEL% which is automatically updated to the error level whenever a command finishes running? Be aware that other DOSes may use different codes or not generate a code other than `0' regardless of an operation's results. check over here For example, you can test that an executable program or script is in your PATH by simply calling the program and checking for return code 9009.

Even better, I can repeatedly call the bitwise OR with the same error code and still interpret which errors were raised. << Part 2 – Variables Part 4 – stdin, stdout, Echo Errorlevel Is this a scam? Linked 14 print exit code in cmd in windows os 6 What is the Windows/cmd.exe equivalent of Linux/bash's $? — the program exit/return code? 4 return code of console application 0

Browse other questions tagged windows command-line-interface windows-command-prompt or ask your own question.

I was thinking more along the line where b.bat would abort early based on some condition:b.batCode: [Select]if not exist c:\file.ext exit 7
if not defined userprofile exit 9
exit 0
a.bat However, they don't generate different, specific messages, or have designated purposes filling up every one of the 256 slots. What's the purpose of the same page tool? Exit /b Errorlevel set /?

Tags Code Comments (15) Tom says: September 26, 2008 at 10:06 am Oops. 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 Semack says: September 26, 2008 at 11:09 pm Good post. this content In that case, they might conceivably have available a huge list of possible results.

If executed from outside a batch script, it will quit CMD.EXE exitCode specifies a numeric number. wmmccoy0910 C Programming Language 12 04-Sep-2006 03:40 Here it is again! 35% - 40% off For Life! For example: Set ERRORLEVEL=1000 myprogram.exe Echo This is not the exit code: %ERRORLEVEL% Set ERRORLEVEL= myprogram.exe Echo This is the exit code: %ERRORLEVEL% Jay Bazuzi says: September 27, 2008 at 1:12 says: September 26, 2008 at 12:19 pm Well, at least bash literally doesn't allow you to set the $?

However, I don’t use this technique because programs can return negative numbers as well as positive numbers. atoi(argv[0]) : 0; } … and then call it from batch? windows command-line process cmd exit-code share|improve this question asked Dec 2 '08 at 18:04 Skrud 3,67331622 5 Also asked on SuperUser: How to check the exit code of the last To expand further, let's use the FIND example shown here earlier.

In the same way that bash doesn't let you "set ?=…". -Raymond] Denis Dmitriev says: September 26, 2008 at 11:34 am It's still asking for trouble because it introduces action at Join them; it only takes a minute: Sign up easy way to see dos command return code up vote 23 down vote favorite 6 Sometimes I run a command in cmd If neither of these numbers are generated, an error level of `0' has occurred meaning the word "Canada" has been found, and so the batch file goes to the "PRINT" section. asked 6 years ago viewed 97599 times active 3 years ago Visit Chat Linked 0 CMD - Successful or not indication?

Arguments of \newcommand as variable names? Instead, you can use "if %ERRORLEVEL% EQU 0 (..)". –Curtis Yallop Jul 29 '14 at 16:06 Found cases where %ERRORLEVEL% is 0 even though an error occurred. I have written if errorlevel == 3 goto tag3 more times that i would like to. Logged To every complex question there is a simple answer and it is wrong…- H.L.