R.utils (version 2.5.0)

readTableIndex: Reads a single column from file in table format

Description

Reads a single column from file in table format, which can then be used as a index-to-row (look-up) map for fast access to a subset of rows using readTable().

Usage

"readTableIndex"(..., indexColumn=1, colClass="character", verbose=FALSE)

Arguments

indexColumn
An single integer of the index column.
colClass
A single character specifying the class of the index column.
...
Arguments passed to readTable() used internally.
verbose
A logical or a Verbose object.

Value

Returns a vector.

See Also

readTable().