findPrefix function

Find a Prefix Based on Names of Existing Files

Find the prefixes or suffixes of files with a given suffix or prefix in a directory.

findPrefix(suffix,path=".")
findSuffix(prefix,path=".")

Arguments

• suffix: character vector of suffixes
• prefix: character vector of prefixes
• path: directory to look for files in

Details

The function findPrefix locates all files in a directory that end with one of the provided suffixes; where as findSuffix locates all files that start with the given prefixes.

Returns

A character vector of all the prefixes or sufixes of files in the working directory that matched to one of the given suffixes.

Author(s)

Anisa Egeli, Vancouver Island University, Nanaimo BC

Examples

local(envir=.PBSmodEnv,expr={
  edir = system.file("examples", package="PBSmodelling")
  print(findPrefix(suffix=c(".txt", ".r"),path=edir)); cat("\n")

  #or use R's dir for similar functionality
  print(dir(pattern="txt$",path=edir)); cat("\n")
  print(dir(pattern="^[a-h]",path=edir)); cat("\n")
})