how to remove the first two columns in a file using shell (awk, sed, whatever)

Question

I have a file with many lines in each line there are many columns(fields) separated by blank \" \" the numbers of columns in each line are different I want to remove the fir

Answer 1

This might work for you (GNU sed):

sed -r 's/^([^ ]+ ){2}//' file

or for columns separated by one or more white spaces:

sed -r 's/^(\S+\s+){2}//' file