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vlafiller.diskinput - Function

	Package	nrao
	Module	vla
	Tool	vlafiller

Specify the input data file.

Synopsis
diskinput(filename)

Description

The diskinput functions specifies that the input data is the specified file on disk.

Normally VLA archive data is stored on tape but if you need to read one or more files repeatedly it may be faster to copy the file to disk and then convert this disk file to a measurement set. Data can be read from tapes to disk in a variety of ways including:

 
      dd if=/dev/tape bs=26624 of=file1.vla

This functions returns F if the specified file is not readable.

Arguments

filename		The input file name.
		Allowed:	string
		Default:	no default

Returns
T or F

Example
See the example for the vlafiller constructor.