ncol

#!/usr/bin/awk -f
#
# Copyright (c) 2015 Douglas G. Scofield, Uppsala University
# douglas.scofield@ebc.uu.se
# douglasgscofield@gmail.com
#
# This code is covered by the Gnu GPLv2, please see LICENSE.
# Bugs and suggestions to https://github.com/douglasgscofield/tinyutils/issues.
#
# Print the number of columns in each line
#
# CHANGELOG
# 2015-06-21 : create the script


BEGIN { 
    # parameters
    n = 0;
    sum = 0;
    header = 0;        # does the input have a header? if so how many lines?
    skip_comment = 1;  # skip '#' lines on input
}

{
    if (NR <= header) { print; next; }
    if (skip_comment && $0 ~ /^#/) { print; next; }

    print NF;
}