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.TH "MONGOC_GRIDFS_FIND_ONE_BY_FILENAME" "3" "May 07, 2024" "1.27.1" "libmongoc"
.SH SYNOPSIS
.INDENT 0.0
.INDENT 3.5
.sp
.EX
mongoc_gridfs_file_t *
mongoc_gridfs_find_one_by_filename (mongoc_gridfs_t *gridfs,
                                    const char *filename,
                                    bson_error_t *error)
   BSON_GNUC_WARN_UNUSED_RESULT;
.EE
.UNINDENT
.UNINDENT
.SH PARAMETERS
.INDENT 0.0
.IP \(bu 2
\fBgridfs\fP: A \fI\%mongoc_gridfs_t\fP\&.
.IP \(bu 2
\fBfilename\fP: A UTF\-8 encoded string containing the filename.
.IP \(bu 2
\fBerror\fP: An optional location for a \fI\%bson_error_t\fP or \fBNULL\fP\&.
.UNINDENT
.SH DESCRIPTION
.sp
Finds the first file matching the filename specified. If there is an error, NULL is returned and \fBerror\fP is filled out; if there is no error but no matching file is found, NULL is returned and the error code and domain are 0.
.sp
This function is considered a retryable read operation.
Upon a transient error (a network error, errors due to replica set failover, etc.) the operation is safely retried once.
If \fBretryreads\fP is false in the URI (see \fI\%mongoc_uri_t\fP) the retry behavior does not apply.
.SH ERRORS
.sp
Errors are propagated via the \fBerror\fP parameter.
.SH RETURNS
.sp
Returns a newly allocated \fI\%mongoc_gridfs_file_t\fP if successful. You must free the resulting file with \fI\%mongoc_gridfs_file_destroy()\fP when no longer in use.
.SH AUTHOR
MongoDB, Inc
.SH COPYRIGHT
2017-present, MongoDB, Inc
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