可以用putn,putc,inputn,inputc实现

我试了下，貌似报错了。不知道具体如何操作。还请赐教。谢谢啦。

SYMBOLGEN:  Macro variable P resolves to 0.0011267876
WARNING: Argument 2 to function INPUTN referenced by the %SYSFUNC or %QSYSFUNC macro function is
         out of range.
NOTE: Mathematical operations could not be performed during %SYSFUNC function execution. The
      result of the operations have been set to a missing value.
SYMBOLGEN:  Macro variable P resolves to 0.0011267876
WARNING: Argument 2 to function INPUTN referenced by the %SYSFUNC or %QSYSFUNC macro function is
         out of range.
NOTE: Mathematical operations could not be performed during %SYSFUNC function execution. The
      result of the operations have been set to a missing value.
ERROR: A character operand was found in the %EVAL function or %IF condition where a numeric
       operand is required. The condition was: %sysfunc(inputn(&p,PVALUE6.4)) se 0.7
ERROR: The macro TTEST will stop executing.

%let p=0.0011267876        ;
%put  &p;


%let test=%sysfunc(inputn(&p,best6.4))  ;
%put  &test;

%let test2=%sysfunc(inputn(&p,PVALUE6.4))  ;
%put  &test2;

/*
INPUTN Function
Syntax
INPUTN(source, informat<,w<,d>>)  
*/

出现你所说的问题，主要是由于你用的inputn语句中的第二argument中informat用的是PVALUE6.4，然而你仔细查下就会发现，SAS实际上是没有 PVALUEw.d这个informat的，而是只有PVALUEw.d Format，所以当你将之改为SAS有的informat如best6.4时，就没有出现你所说的问题