Download a file or a folder from the Opal file system.
opal.file_download(opal, source, destination = NULL, key = NULL)Opal object.
Path to the file in the Opal file system.
Path to the file to be written. If ommitted, file with same name in the working directory will be written.
File encryption key: downloaded file will be a zip file with content encrypted (use 7zip to decrypt).
Other file functions:
opal.file_cp(),
opal.file_ls(),
opal.file_mkdir_tmp(),
opal.file_mkdir(),
opal.file_mv(),
opal.file_read(),
opal.file_rm(),
opal.file_unzip(),
opal.file_upload(),
opal.file_write(),
opal.file()
if (FALSE) {
o <- opal.login('administrator','password', url='https://opal-demo.obiba.org')
# download a file
opal.file_download(o, '/home/administrator/joins/join-src-3.csv')
# download a file encrypted by a key: resulting file is a zip with an encrypted content
opal.file_download(o, '/home/administrator/export/some-data.csv',
destination='some-data.zip', key='AZF57893FBDE')
# download, create destination folder and rename file
opal.file_download(o, '/home/administrator/spss/DatabaseTest.sav', 'spss/test.sav')
# download a folder
opal.file_download(o, '/home/administrator/export', 'export.zip')
opal.logout(o)
}