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IT Functionality 9-18
Formatted Input
scanf
This SSI function reads a string passed from an object in a HTML form, interprets
the string according to the specification in format, and stores the result in the Output (OUT) area according to the passed arguments. The formatting of the string is
equal to the standard C function call scanf().
Syntax:
<?--#exec cmd_argument=’scanf(ObjName, format,
Arg1,..., ArgN), ErrVal1,..., ErrvalN’-->
ObjName
The name of the object with the passed data string
format
Specifies how the passed string shall be formatted
Argn
Specifies where to write the data
ErrValn
Optional; specifies the value/string to write in case of an error.
Character
Input Data and Argument Type
d
Decimal number; byte, short
i
Number, byte, short. The number may be in octal (leading
0(zero)) or hexadecimal (leading 0x or 0X)
o
Octal number (with or without leading zero); byte, short
u
Unsigned decimal number; unsigned byte, unsigned short
x
Hexadecimal number (with or without leading 0x or 0X); byte,
short
c
Characters; char*. The next input characters (default 1) are
placed at the indicated spot. The normal skip over white space is
suppressed; to read the next non-white space character, use
“%1s”
s
Character string (not quoted); char*, pointing to an array of characters large enough for the string and a terminating “\0” that will
be added.
e, f, g
Floating-point number with optional sign, optional decimal point
and optional exponent; float
%
Literal “%”; no assignment is made.
Table 9-4 scanf Formats
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Publication PUB-AB7645-010