Description:
Get the specified object in a storage bucket.
Syntax:
gcs_file(fd,bucket,key[:cs])
Note:
External library function (See External Library Guide).
The function supports calculating file-related functions, including f.exists(), f.name(), f.size(), f.date(), f.read(), f.import() and f.export(), on the returned file object.
Parameter:
|
fd |
GCS connection object |
|
bucket |
Storage bucket |
|
key |
File name in the storage bucket |
|
cs |
Encoding name; use this encoding to save or open a file |
Return value:
File object
Example:
|
|
A |
|
|
1 |
=file("F:/gcs.json").read() |
|
|
2 |
=gcs_open(A1) |
Connect to GCS service. |
|
3 |
=gcs_file(A2, "test1","emp.txt") |
Load emp.txt in the storage bucket test1. |
|
4 |
=A3.name() |
Get the full path containing the file name. |
|
5 |
=A3.import@t() |
Return the file data as a table sequence. |
|
6 |
=A3.cursor@t().fetch(10) |
Read data in the form of cursor. |
|
7 |
>gcs_close(A2) |
Close the GCS connection. |