file_checks: Check file existence / extension

In e-myers/rnaseq: Process, Analyze and Visualize RNA-seq Data

Description

Checks whether a file exists and returns a message that depends on whether that file was supposed to exist. It can also check whether the file has a given extension, and return a message based on that too.

Usage

file_checks(filename, shouldExist = TRUE, extension = NA, verbose = FALSE)

Arguments

filename	String - file to check
shouldExist	Logical - whether you expect the file to exist; default TRUE
extension	String - extension the file should have; default NA
verbose	Logical - whether to print progress / results

Details

Checks whether specified file exists and returns TRUE if the file exists and was supposed to or doesn't and wasn't supposed to, and FALSE otherwise. Will also return FALSE if given an extension and the file doesn't have it.

Value

Logical - whether file checks out

Author(s)

Emma Myers

e-myers/rnaseq documentation built on May 20, 2019, 9:14 p.m.