vi editor mark to create a sub file from main file: explained

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1.      Open the main in vi (vi created.sql)

2.      Go to the line number from where you want to copy. Suppose if you wanted to create a new file using lines from 10 to 20 of main file. Go to 10^th line

3.      Put first mark on 10^th line (command mode: mf where ‘m’ is for mark and ‘f’ is just mark identifier for first. This can be any character)

4.      Put second mark on 20^th line(command mode: ml where ‘m’ is for mark and ‘l’ is just mark identifier for last)

5.      Execute following command in command mode to create new file

:’f,’b w partfile.sql

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