求：日期区间运算表达

shiyiming

[code:ouproqxy]data date;
input d;
format d yymmdd10.;
informat d yymmdd10.;
cards;
2010/3/7
2010/1/15
2010/12/29
2010/3/12
2010/05/08
2010/12/31
;
run;
[/code:ouproqxy]
[color=#FF0000:ouproqxy]想得到 2010/3/25--2010/07/15，也就是2010/3/25<d<2010/07/15,请教大侠，日期的表达是怎么样的.[/color:ouproqxy]

Qiong

if input("2010/3/25",yymmdd10.)<=d<=input("2010/07/15",yymmdd10.) ;

shiyiming

谢谢， <!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /><!-- s:D -->