checkFile: Check whether file(s) exist

In ribiosUtils: Utilities from and Interface to the Bioinfo-C (BIOS) Library

Description

checkFile checks whether file exists, assertFile stops the program if files do not exist

Usage

checkFile(...)

assertFile(...)

Arguments

...	Files to be checked

Details

assertFile is often used in scripts where missing a file would cause the script fail.

Value

checkFile returns logical vector. assertFile returns an invisible TRUE if files exist, otherwise halts and prints error messages.

Author(s)

Jitao David Zhang <[e-mail]>

See Also

isDir and assertDir

Examples

myDesc <- system.file("DESCRIPTION", package="ribiosUtils")
myNEWS <- system.file("NEWS", package="ribiosUtils")
checkFile(myDesc, myNEWS)
assertFile(myDesc, myNEWS)

ribiosUtils documentation built on March 13, 2020, 2:54 a.m.