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What Are Positional Parameters? Explain With An Example? |
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Answer» Positional parameters are the VARIABLES defined by a shell. And they are used whenever we need to CONVEY information to the program. And this can be DONE by specifying arguments at the command line. There are totally 9 positional parameters present i.e. from $1 to $9. Example: $ Test Indian IT Industry has grown very much faster In the above STATEMENT, positional parameters are assigned like this. $0 -> Test (NAME of a shell program/script) $1 ->Indian $2 -> IT and so on. Positional parameters are the variables defined by a shell. And they are used whenever we need to convey information to the program. And this can be done by specifying arguments at the command line. There are totally 9 positional parameters present i.e. from $1 to $9. Example: $ Test Indian IT Industry has grown very much faster In the above statement, positional parameters are assigned like this. $0 -> Test (Name of a shell program/script) $1 ->Indian $2 -> IT and so on. |
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