batch file parameter checking
You need to check for the parameter being blank: if "%~1"=="" goto blank .... The brackets just can't choke cmd.exe 's parser. Let's go back to ..., Actually it was if %1.==. command (note the . after %1 ) back then. And you can use that now in Windows 7, it should work. Example usage:
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 batch file parameter checking 相關參考資料
How to check command line parameter in ".bat" file? - Stack Overflow
IF [%1]==[/?] GOTO BLANK IF %1=="-b" GOTO SPECIFIC IF NOT %1=="-b" GOTO UNKNOWN :SPECIFIC ECHO SPECIFIC GOTO DONE :BLANK ECHO No Parameter GOTO DONE :UNKNOWN ECHO Unknown Option G... https://stackoverflow.com How to check command line parameter in ".bat" file? - Stack ...
You need to check for the parameter being blank: if "%~1"=="" goto blank .... The brackets just can't choke cmd.exe 's parser. Let's go back to ... https://stackoverflow.com Windows 7 batch files: How to check if parameter has been passed ...
Actually it was if %1.==. command (note the . after %1 ) back then. And you can use that now in Windows 7, it should work. Example usage: https://stackoverflow.com What is the proper way to test if a parameter is empty in a ...
Use "IF DEFINED variable command" to test variable in batch file. But if you .... if defined C3 goto goon :: Check the first and second char for double-quotes :: Any ... https://stackoverflow.com check number of arguments on batch file - Stack Overflow
Why not just simplify the structure: IF NOT "%~3"=="" IF "%~4"=="" GOTO START ECHO This script requires the next parameters: ECHO ... https://stackoverflow.com Batch files - How To ... Validate Input - Rob van der Woude
It all comes down to input validation, and the bad news is: input validation is a lot of ... Though neither of these is 100% fool-proof, parameter files do come close. https://www.robvanderwoude.com Batch files - Command line parameters - Rob van der Woude
Batch files can only handle parameters %0 to %9 ... BAT, you can check if it is being started at boot time or from the command line, for example ... https://www.robvanderwoude.com How can I check if an argument is defined when startingcalling a ...
The check for whether a commandline argument has been set can be ... In addition, the exit needs a /B argument otherwise CMD.exe will quit. https://stackoverflow.com Batch: checking commandline parameters in batch file - Stack Overflow
@echo off setlocal enableDelayedExpansion set "_verbose=no" set "_validate=no" set "_outputfilename=" rem set "arg_counter=0" set ... https://stackoverflow.com |