Shell Programming and Scripting

Could any one help me in basic shell script to export text file data to csv.
I need to export only particular data from text file to csv column.
I am a newbie to UNIX could anyone help me with sample script code

post some extract from your data file and the way you wish to see the output.

elapsed = 76.38 seconds, average = 0.352 seconds, minimum = 0.159 elapsed = 379.005 seconds, average = 0.379 seconds, minimum = 0.157 elapsed = 683.99 seconds, average = 0.455 seconds, minimum = 0.156 elapsed = 1043.271 seconds, average = 0.521 seconds, minimum = 0.154 elapsed = 1408.594 seconds, average = 0.563 seconds, minimum = 0.154


i need to export this data to csv like
elapsed average minimum

176.38 0.352 0.159
x.aaa y.aaaa z.aaaa
x.aaa y.aaaa z.aaaa
x.aaa y.aaaa z.aaaa
x.aaa y.aaaa z.aaaa

Try...

Code:

#!/usr/bin/bash
set $(<file1)
while [[ $# -gt 0 ]]
do
  echo $3,$7,${11}
  shift 11
done