Campbell Scientific CR1000 Measurement and Control System - Manual (Page 395)

Section 8. Operation
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Examples:
http://192.168.24.106/?command=ListFiles
Response: returns the drive structure of the host CR1000
(CPU:, USR:, CRD:, and USB:).
http://192.168.24.106/CPU/?command=ListFiles
Response: lists the files on the host CR1000 CPU: drive.
ListFiles Response
The format of the response depend on the value of the format parameter in the
command request. The response provides information for each of the files or
directories that can be reached through the CR1000 web server. The information
for each file includes the following:
Table 105. ListFiles API Command Response
path Specifies the path to the file relative to the URL path.
is_dir
A boolean value that will identify that the object is a directory if
set to true.
size
An integer that gives the size of for a file in bytes (the value of
is_dir is false) or the bytes free for a directory.
last_write
A string associated only with files that specifies the date and
time that the file was last written.
run_now
A boolean attribute applied by the CR1000 for program files
that are marked as currently executing.
run_on_power_up
A boolean attribute applied by the CR1000 for program files
that are marked to run when the CR1000 powers up or resets.
read_only
A boolean attribute applied by the CR1000 for a file that is
marked as read-only.
paused
A boolean attribute applied by the CR1000 that is marked to run
but the program is now paused.
HTML Response
When html is entered in the ListFiles format parameter, the response will be
HTML. Following are example responses.
HTML tabular response: