#!/usr/bin/awk -f
# Based on:
# <gopher://gopher.icu/0/phlog/Computing/UMN-gopher-no-more.md>
BEGIN {
    FS = "\t"
}

{
    # Gopher
    if ($1 && $3 && $4) {
        port = substr($4, 1, length($4) - 1)
        type = substr($1, 1, 1)
        # Title
        print substr($1, 2)
        if (type !~ /i|\./) {
            if (type == "h") {
                gsub(/^URL:/, "", $2)
                print "<" $2 ">"
            } else {
                if (port == 70) {
                    print "<gopher://" $3 "/" type $2 ">"
                } else {
                    print "<gopher://" $3 ":" port "/" type $2 ">"
                }
            }
        }
    } else {
        print $0
    }
}