25.74. FREEFILE()

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This function returns a free file number, which is currently not associated with any opened file. If there is no such file number it returns undef.

The returned value can be used in a consecutive OPEN statement to specify a file number. Another way to get a free file number is to set a variable to hold the integer value zero and use the variable as file number in the statement OPEN. For more information on this method see the documentation of the statement OPEN. This function returns a free file number, which is currently not associated with any opened file. If there is no such file number it returns undef.

The returned value can be used in a consecutive OPEN statement to specify a file number. Another way to get a free file number is to set a variable to hold the integer value zero and use the variable as file number in the statement OPEN. For more information on this method see the documentation of the statement OPEN. This function returns a free file number, which is currently not associated with any opened file. If there is no such file number it returns undef.

The returned value can be used in a consecutive OPEN statement to specify a file number. Another way to get a free file number is to set a variable to hold the integer value zero and use the variable as file number in the statement OPEN. For more information on this method see the documentation of the statement OPEN.


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