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Specifying the Pathname

Each output-file option accepts a pathname argument that can specify a location and a name for the output file. The argument can include a drive name, directory, and file name. No space is allowed between the option and the argument.

If pathname includes a file name without an extension, the compiler gives the output a default extension. If pathname includes a directory but no file name, the compiler creates a file with a default name in the specified directory. The default name is based on the base name of the source file and a default extension based on the type of the output file. If you leave off pathname entirely, the compiler creates a file with a default name in a default directory.

Alternatively, the pathname argument can be a device name (AUX, CON, PRN, or NUL) rather than a file name. Do not use a space between the option and the device name or a colon as part of the device name.

Device name

Represents

AUX

Auxiliary device

CON

Console

PRN

Printer

NUL

Null device (no file created)

The following command line sends a mapfile to the printer:

CL /FmPRN HELLO.CPP
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