Hi,
Request To guide me in writing a shell program for the following requirement:
Example:if the Input File contains the follwing data

Input File Data:
80723240029,12,323,443,88,98,7,98,67,87
80723240030,12,56,6,,,3,12,56,6,7,2,3,12,56,6,7,2,3,88,98,7,98,67,87
80723240031,56,57,d,88,98,7,98,67,87,88,98,7,98,67,87
80723250032,45,hg,3
Background:After First column every 6 columns are identified as one setand first column is the key to identify the records.

I have to convert the data as follows:
Output File Data:
80723240029,12,323,443,88,98,7
80723240029,98,67,87
80723240030,12,56,6,,,3
80723240030,12,56,6,7,2,3
80723240030,12,56,6,7,2,3
80723240030,88,98,7,98,67,87
80723240031,56,57,d,88,98,7
80723240031,98,67,87,88,98,7
80723240031,98,67,87
80723250032,45,hg,3



Thanks in Advance,
srinivas