xp_sscanf (Transact-SQL)
Applies to:
SQL Server
Reads data from the string into the argument locations specified by each format argument.
Transact-SQL syntax conventions
Syntax
xp_sscanf { 'string' OUTPUT , 'format' } [ , 'argument' [ , ...n ] ]
Arguments
'string' OUTPUT
The character string to read the argument values from.
When OUTPUT
is specified, string puts the value of argument in the output parameter.
'format'
A formatted character string, similar to the values supported by the C-language sscanf
function. Currently, only the %s
format argument is supported.
'argument'
A varchar variable set to the value of the corresponding format argument.
n
A placeholder that indicates that a maximum of 50 arguments can be specified.
Return code values
0
(success) or 1
(failure).
Result set
xp_sscanf
returns the following message:
Command(s) completed successfully.
Permissions
Requires membership in the public role.
Examples
The following example uses xp_sscanf
to extract two values from a source string based on their positions in the format of the source string.
DECLARE @filename VARCHAR(20),
@message VARCHAR(20);
EXEC xp_sscanf 'sync -b -fproducts10.tmp -rrandom',
'sync -b -f%s -r%s',
@filename OUTPUT,
@message OUTPUT;
SELECT @filename, @message;
Here is the result set.
(No column name) (No column name)
---------------- --------------------
products10.tmp random