awk example FS variable of single space or multiple space
How to run: awk -f awk_multiple_space_field_separator_FS_example.awk awk_multiple_space_input_example Expected output: NR: 1 NF:2 Value: Catalog 1 NR: 2 NF:2 Value: Catalog 2 NR: 3 NF:2 Value: Catalog 3 NR: 4 NF:2 Value: Catalog 4 NR: 5 NF:5 Value: Catalog 5 6 7 8