Delete first column of csv file
Following awk will be helping you in same.
awk '{sub(/[^,]*/,"");sub(/,/,"")} 1' Input_file
Following sed may also help you in same.
sed 's/\([^,]*\),\(.*\)/\2/' Input_file
Explanation:
awk ' ##Starting awk code here.
{
sub(/[^,]*/,"") ##Using sub for substituting everything till 1st occurence of comma(,) with NULL.
sub(/,/,"") ##Using sub for substituting comma with NULL in current line.
}
1 ##Mentioning 1 will print edited/non-edited lines here.
' Input_file ##Mentioning Input_file name here.