perl script not writting to file

[Shubhendu <97co266@xxxxxxxxxxxxxxxxxxxxx>]

hi all

            i have recently started perl/cgi, i m traying to write
some data ,got from cgi program in a file thorugh perl script ,

if file permitions are set 766 (i.e. write permition for all ) 
then the program works fine otherwise it writes nothig in file

what should i do ?

is it possible to do it with SSI if yes WHO ?

shubh