R: Compute MD5 Checksums

md5sum {tools} | R Documentation

## Compute MD5 Checksums

### Description

Compute the 32-byte MD5 checksums of one or more files.

### Usage

    md5sum(files)

### Arguments

`files` | character. The paths of file(s) to be check-summed.

### Value

A character vector of the same length as `files`, with names equal to `files`. The elements will be `NA` for non-existent or unreadable files, otherwise a 32-character string of hexadecimal digits.

On Windows all files are read in binary mode (as the `md5sum` utilities there do): on other OSes the files are read in the default way.

### See Also

`checkMD5sums`

### Examples

    as.vector(md5sum(dir(R.home(), pattern="^COPY", full.names=TRUE)))

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