How to print and store specific named columns from csv file with new row numbers

Question

start by saying, I\'m very new to using bash and any sort of script writing in general.

I have a csv file that has basic column headers and values underneath which look

Answer 1

If you have a simple multi-space delimited file (as in your example) awk is the best tool for the job. To select the column by name in awk you can do something like:

$ awk -v col="b" 'FNR==1 { for (i=1;i<=NF;i++) if ($i==col) x=i; next }
                  {print FNR-1 OFS $x}' file   
1 3
2 5
3 5
4 8