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GoogleDriveManagement/docs/Find-File-Owner.md
2023-07-25 23:38:58 +00:00

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# Find File Owner
- [API documentation](#api-documentation)
- [Definitions](#definitions)
- [Display File Ownership](#display-file-ownership)
- [Display File Ownership for Old files](#display-file-ownership-for-old-files)
## API documentation
* https://developers.google.com/admin-sdk/reports/v1/reference/activities
## Definitions
```
<DriveFileID> ::= <String>
<DriveFileName> ::= <String>
```
## Display File Ownership
These commands use the Reports API audit activity and may not find the owner if the file has not been accessed in 180 days.
If you specify a `<DriveFileID>`, there will be at most one line of output. If you specify a `<DriveFileName>`, there will be
one line of output for each distinct file with that name.
The Reports API calls are:
* `ownership <DriveFileID>` - `gam report drive filter "doc_id==<DriveFileID>"`
* `ownership drivefilename <DriveFileName>` - `gam report drive filter "doc_title==<DriveFileName>"`
```
gam show ownership <DriveFileID>|(drivefilename <DriveFileName>)
[formatjson]
```
By default, Gam displays the information as a list of keys and values.
* `formatjson` - Display the output in JSON notation
```
gam print ownership <DriveFileID>|(drivefilename <DriveFileName>) [todrive <ToDriveAttribute>*]
(addcsvdata <FieldName> <String>)*
[formatjson [quotechar <Character>]]
```
* `addcsvdata <FieldName> <String>` - Add additional columns of data from the command line to the output
By default, Gam displays the information as columns of fields; the following option causes the output to be in JSON format.
* `formatjson` - Display the fields in JSON format.
By default, when writing CSV files, Gam uses a quote character of double quote `"`. The quote character is used to enclose columns that contain
the quote character itself, the column delimiter (comma by default) and new-line characters. Any quote characters within the column are doubled.
When using the `formatjson` option, double quotes are used extensively in the data resulting in hard to read/process output.
The `quotechar <Character>` option allows you to choose an alternate quote character, single quote for instance, that makes for readable/processable output.
`quotechar` defaults to `gam.cfg/csv_output_quote_char`. When uploading CSV files to Google, double quote `"` should be used.
## Display File Ownership for Old files
If the above commands fail, you can try to loop through all accounts, however this might take a long time if you are on a large Google Workspace Account.
```
gam config auto_batch_min 1 redirect csv - multiprocess redirect stderr null multiprocess all users print filelist select id <DriveFileID> fields id,name,owners.emailaddress norecursion showownedby any
```
Starting with version 6.07.26, this can be made more efficient by terminating processing after the owner is identified.
```
gam config auto_batch_min 1 multiprocessexit rc=0 redirect csv - multiprocess redirect stderr null multiprocess all users print filelist select id <DriveFileID> fields id,name,owners.emailaddress norecursion showownedby any
```