normPath {Require} | R Documentation |
Normalize filepath
Description
Checks the specified filepath for formatting consistencies:
use slash instead of backslash;
do tilde etc. expansion;
remove trailing slash.
Usage
normPath(path)
## S4 method for signature 'character'
normPath(path)
## S4 method for signature 'list'
normPath(path)
## S4 method for signature 'NULL'
normPath(path)
## S4 method for signature 'missing'
normPath()
## S4 method for signature 'logical'
normPath(path)
Arguments
path |
A character vector of filepaths. |
Value
Character vector of cleaned up filepaths.
Examples
## normalize file paths
paths <- list("./aaa/zzz",
"./aaa/zzz/",
".//aaa//zzz",
".//aaa//zzz/",
".\\\\aaa\\\\zzz",
".\\\\aaa\\\\zzz\\\\",
file.path(".", "aaa", "zzz"))
checked <- normPath(paths)
length(unique(checked)) ## 1; all of the above are equivalent
## check to see if a path exists
tmpdir <- file.path(tempdir(), "example_checkPath")
dir.exists(tmpdir) ## FALSE
tryCatch(checkPath(tmpdir, create = FALSE), error = function(e) FALSE) ## FALSE
checkPath(tmpdir, create = TRUE)
dir.exists(tmpdir) ## TRUE
unlink(tmpdir, recursive = TRUE) # clean up
[Package Require version 1.0.0 Index]