Batch Script If Else Multiple Lines
This only requires 6 lines minimum instead of 9 lines minimum. The capability to hop to a particular section is provided by the appropriately named goto command written as one word.
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Generally the execution of a batch file proceeds line by line with the commands on each line being run in turn.
Batch script if else multiple lines. The following form will catch that particular case. Batch file if else statements. However it is often desirable to execute a particular section of a batch file while skipping over other parts.
Just like the if statement in batch script the if else can also be used for checking variables which are set in batch script itself. Each if can have only 1 else. The following example shows how the if statement can be used for numbers.
If it was set before the parentheses start it retains that value. The batch script supports the conditional statements like if if else etc. The command will still work as long as some command line argument is given when the batch file is run.
If erase delete somefiledat this is an invalid command. The evaluation of the if statement can be done for both strings and numbers. The if statement is one of the selection statements.
Rem put this line near the start of the batch. Only need it once. The line above checks to see if fileext exists alternatively you can use if not exist fileext echo lost to tell you if fileext doesnt exist or you can use else to check both if exist fileext echo found.
However if the batch file is started with no arguments then 1 would be replaced with nothing and the command would turn into this. In this article i will discuss how you can use the if and else in the batch file. If string2 and string3 arent equal it just falls through the 2nd if statement and the goto statements and labels arent needed.
Normally cmdexe expands variables once only at parse time. If exist fileext echo found remember to prevent batch files from getting lost when a file has spaces in the name add quotes. So with variables set and expanded inside parentheses eg.
Batch file if statement. It uses to select statements depending on the value of a controlling expression.
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