hi again one n all

I have few text files which i need to convert to xls or csv format using perl. the problem is tht the text files not only have data which i need but alos other headers which i want to ignore. these headers also appear middle of the text file as one text file has more than one set of records
fr ex:

record 1
date: jkwfh time ..etc etc venue:jhdedf
column names:fnkerjhekr
name 1 name2....etc etc
...data...
...date... (ths is what i need)

record 2
date: jkwfh time ..etc etc venue:jhbjsdc
column names:fnkerjhekr
name 1 name2....etc etc
...data...
...date... (ths is what i need)
.
.
.
.

if anyone has any diea what im talking about or how i can achieve ths please help asap!
i tried directly storing it as csv or xls format but the data is absolutely ditorted..
helllpp..

-s