#360 Print the number of fields in each line where using awk. “,” is the field delimiter.

Print the number of fields in each line using awk.
“,” is the field delimiter.

example.txt

GAP,5000008,344229,-0.00000873,0.00000000,0.00000000
QUAD,5000009,389633,-62.98719000,4.20363900,-14.08507000,-5.83411800,-2.50325100,-4.89406400,14.13978000,1.43138700
TRIA,5000009,389634,-120.91420000,150.57080000,-76.72402000,0.96178280,-0.36827340,1.96346300,-1.02116100,-41.11020000
QUAD,5000009,389635,-15.21044000,0.99932950,3.18402900,-0.15678900,0.23568760,-0.34962440,0.21704630,-0.38061680
QUAD,5000009,389636,1.33232100,-65.55149000,11.67951000,-0.72253810,-0.16559730,0.68029730,-0.87976630,0.07846473
BUSH,5000008,377944,107.45720000,25.92157000,3.61063300,2.17414500,0.00000000,0.00000000
BUSH,5000008,377945,108.76870000,25.35708000,3.30875900,2.66002100,0.00000000,0.00000000

ex360.txt

awk -F"," '{print NF,":",$0}' example.txt

output:

6 : GAP,5000008,344229,-0.00000873,0.00000000,0.00000000
11 : QUAD,5000009,389633,-62.98719000,4.20363900,-14.08507000,-5.83411800,-2.50325100,-4.89406400,14.13978000,1.43138700
11 : TRIA,5000009,389634,-120.91420000,150.57080000,-76.72402000,0.96178280,-0.36827340,1.96346300,-1.02116100,-41.11020000
11 : QUAD,5000009,389635,-15.21044000,0.99932950,3.18402900,-0.15678900,0.23568760,-0.34962440,0.21704630,-0.38061680
11 : QUAD,5000009,389636,1.33232100,-65.55149000,11.67951000,-0.72253810,-0.16559730,0.68029730,-0.87976630,0.07846473
9 : BUSH,5000008,377944,107.45720000,25.92157000,3.61063300,2.17414500,0.00000000,0.00000000
9 : BUSH,5000008,377945,108.76870000,25.35708000,3.30875900,2.66002100,0.00000000,0.00000000