How to check command line parameter in “.bat” file?

Question

My OS is Windows Vista. I need to have a \".bat\" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to

Answer 1

In addition to the other answers, which I subscribe, you may consider using the /I switch of the IF command.

... the /I switch, if specified, says to do case insensitive string compares.

it may be of help if you want to give case insensitive flexibility to your users to specify the parameters.

IF /I "%1"=="-b" GOTO SPECIFIC