R: Reads the value of the corresponding checksum file

readChecksum.GenericDataFile {R.filesets} | R Documentation

## Reads the value of the corresponding checksum file

### Description

Reads the value of the corresponding checksum file, if existing.

### Usage

    ## S3 method for class 'GenericDataFile'
    readChecksum(this, ...)

### Arguments

`...` | Not used.

### Details

The content of the checksum file is trimmed from comment lines, whitespaces and then validated that the remaining part contains a hexadecimal value.

### Value

Returns a `character` string, which can be `NA` if file is missing. An exception is thrown if the file does not exist, and hence not the checkum file.

### Author(s)

Henrik Bengtsson

### See Also

`*validateChecksum()`. `*compareChecksum()`. `*writeChecksum()`. `*getChecksum()`. For more information see `GenericDataFile`.

[Package R.filesets version 2.11.0 Index]