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TIBCO® Managed File Transfer Platform Server for z/OS 8.1.0

# SET

You can use this function to change the value of data in a variable.

The format of this function is `SET %target = operand2 { +- Operand3}`.

The SET function can be expressed using various methods. All expression methods require a variable to be in the target field of the function. When a variable is used as operand 2 or operand3 of a SET function, the variable must have been initialized. Otherwise, an error occurs. Character data specified in operand 2 or operand3 must be enclosed in double quotation marks.

The following examples show the various expression methods of the SET function:

- `SET %A = 1`

  This command sets the variable %A to `1`.

- `SET %A = "TEST.DATA"`

  This command sets the variable %A to `TEST.DATA`.

- `SET %A = %A - 1`

  This command subtracts 1 from the numeric variable %A, and then assigns the result to the numeric variable %A.

- `SET %B = %A + 1`

  This command adds 1 to the numeric variable %A, and then assigns the result to the numeric variable %B.

- `SET %A = %A + %B`

  This command adds the values of the variable %A and the variable %B, and then assigns the result to the variable %A.

  If two character fields are added together, the fields are concatenated. If numeric and character variables are mixed, the numeric field is converted to a character field and the resulting target field is a concatenation of the two fields.

- `SET %NUM = number`

  The script program OSIUC000 supports length subscript to be used in numeric script variables when performing a conversion to character variables. Before this, when converting a numeric variable to a character variable, leading zeroes are not included.

  For example, `SET %NUM = 1234`. It supports the following expression methods:

  - `SAY NUM = %NUM`

    The output of the SAY command is NUM = 1234.

  - `SAY NUM = %NUM(2)`

    The output of the SAY command is NUM = 34.

  - `SAY NUM = %NUM(6)`

    The output of the SAY command is NUM = 001234.

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