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Use double percent signs ( %% ) to carry out the for command within a batch file. Variables are case sensitive, and they must be represented with an alphabetical value such as %a, %b, or %c. Required. Specifies one or more files, directories, or text strings, or a range of values on which to run the command.
&& runs the second command on the line when the first command comes back successfully (i.e. errorlevel == 0 ). The opposite of && is || , which runs the second command when the first command is unsuccessful (i.e. errorlevel != 0 ).
When used in a command line, script, or batch file, %1 is used to represent a variable or matched string. For example, in a Microsoft batch file, %1 can print what is entered after the batch file name.
I want to do something like this in batch script. Please let me know if this is the proper or possible way to do it or any other way?
set var1=A
set var2=B
set AB=hi
set newvar=%var1%%var2%
echo %newvar%
This should produce the value "hi".
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