assertions-file {assertthat}

R Documentation

Useful test related to files

Description

Useful test related to files

Usage

is.dir(path)

is.writeable(path)

is.readable(path)

has_extension(path, ext)

Arguments

path	a file path to examine
ext	extension to test for (has_extension only)

Examples

Run examples

see_if(is.dir(1))

tmp <- tempfile()
see_if(file.exists(tmp))
see_if(is.dir(tmp))

writeLines("x", tmp)
see_if(file.exists(tmp))
see_if(is.dir(tmp))
see_if(is.writeable(tmp))
see_if(is.readable(tmp))
unlink(tmp)

see_if(is.readable(tmp))

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