List files from HCP bucket

Lists a set of files from an HCP bucket for a specific sub-folder

hcp_list_files(prefix = "", delimiter = NULL, query = NULL, ...)

fcp_list_files(prefix = "", delimiter = NULL, query = NULL, ...)

openneuro_list_files(prefix = "", delimiter = NULL, query = NULL, ...)

hcp_list_dirs(prefix = "HCP/", ...)

fcp_list_dirs(prefix = "data/Projects/", ...)

openneuro_list_dirs(prefix = NULL, ...)

Arguments

prefix	directory folder to list files. If "", then it will be the root path
delimiter	Delimiter to list files. For example ".mat", for ".mat"
query	Additional query arguments
...	additional arguments passed to get_hcp_file

Value

List with the result of the GET command, the parsed result, and the content from the result.

Examples

if (have_aws_key()){
x = hcp_list_files(prefix = "HCP/100307/unprocessed/3T/Diffusion",
   delimiter="bval")
stopifnot(x$parsed_result$ListBucketResult$Name[[1]] == "hcp-openaccess")
t1_niis = hcp_list_files(prefix ="HCP/100307/T1w",
delimiter = ".nii.gz")
all_dirs = hcp_list_dirs("HCP/")
}

if (have_aws_key()){
  res = hcp_list_dirs("HCP/")
  projects = unlist(parse_list_files(res)$prefixes)
  projects = unname(projects)
  projects = unname(projects)
  head(projects)
  head(basename(projects))
  stopifnot("100307" %in% basename(projects))
}
if (have_aws_key()){
res = fcp_list_dirs()
projects = unlist(parse_list_files(res)$prefixes)
projects = unname(projects)
head(projects)
head(basename(projects))
stopifnot("ABIDE" %in% basename(projects))
}
res = openneuro_list_dirs()
projects = unlist(parse_list_files(res)$prefixes)
projects = unname(projects)
head(projects)
#> [1] "ds000001/"  "ds000002/"  "ds000003/"  "ds000005/"  "ds000006/" 
#> [6] "ds000006A/"
if (length(projects) > 0) {
head(basename(projects))
stopifnot("ds000002" %in% basename(projects))
}