Description Usage Arguments Author(s) References Examples
an internal function; please note that the default folder used for the simulation (if you don't point it out clearly, the package will allocate a path as "c://outcome")
1 | filename.check(path = NULL, return = TRUE)
|
path |
local file path |
return |
if return=TRUE, it will return a checked new filename with adding the sign as "xxxx00yh0.xxxx.dat" format |
Youhua Chen <yhchen@zoology.ubc.ca>
Chen YH (2012) coexist: an R package for performing species coexistence modeling and analysis under asymmetric dispersal and fluctuating source-sink dynamics. http://code.google.com/p/coexist.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | ##---- Should be DIRECTLY executable !! ----
##-- ==> Define data, use random,
##-- or do help(data=index) for the standard data sets.
## The function is currently defined as
function (path = NULL, return = TRUE)
{
randnum <- runif(1)
if (length(path) != 0) {
pos <- unlist(gregexpr("/", path))
dot <- unlist(gregexpr(".", path, fixed = T))
dd <- unlist(gregexpr(":", path, fixed = T))
special <- unlist(gregexpr("00yh", path))
if (length(pos) >= 2 & dot[1] != -1 & dd[1] != -1 & special[1] !=
-1) {
folder <- substr(path, 1, pos[length(pos)] - 1)
dir.create(folder, showWarnings = F)
fname <- path
}
if (length(pos) >= 2 & dot[1] != -1 & dd[1] != -1 & special[1] ==
-1) {
folder <- substr(path, 1, pos[length(pos)] - 1)
dir.create(folder, showWarnings = F)
fname <- paste(substr(path, 1, dot[length(dot)] -
1), "00yh", substr(path, dot[length(dot)], nchar(path)),
sep = "")
}
if (dot[1] == -1 & dd[1] != -1 & special[1] == -1) {
dir.create(path, showWarnings = F)
fname <- paste(path, "/", randnum, "00yh", ".dat",
sep = "")
}
if (dot[1] == -1 & dd[1] == -1 & special[1] == -1) {
path <- paste("c://", path, sep = "")
dir.create(path, showWarnings = F)
fname <- paste(path, "/", randnum, "00yh", ".dat",
sep = "")
}
}
if (length(path) == 0) {
if (length(folder) == 0) {
folder = "c://outcome"
}
fname <- paste(folder, "/", randnum, "00yh", ".dat",
sep = "")
dir.create(folder, showWarnings = F)
}
if (return == T) {
return(fname)
}
}
|
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