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xp_sscanf (Transact-SQL)

Reads data from the string into the argument locations specified by each format argument.

Topic link icon Transact-SQL Syntax Conventions


xp_sscanf { string OUTPUT , format } [ ,argument [ ,...n ] ] 
string

Is the character string to read the argument values from.

OUTPUT

When specified, puts the value of argument in the output parameter.

format

Is a formatted character string similar to what is supported by the C-language sscanf function. Currently, only the %s format argument is supported.

argument

Is a varchar variable set to the value of the corresponding format argument.

n

Is a placeholder that indicates that a maximum of 50 arguments can be specified.

0 (success) or 1 (failure)

xp_sscanf returns the following message:

Command(s) completed successfully.

Requires membership in the public role.

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.

-------------------- -------------------- 
products10.tmp        random

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