reddit-popular.sh

#!/bin/sh
#
# This script uses rsstail to retrieve latests entries from Reddit Popular rss feed
# and process them through awk. Each update shows a timestamp separator.
#
# It will work with most RSS feeds out there.
#

if [ $# -eq 1 ]; then
    subreddit="r/$1"
elif [ $# -eq 2 ]; then
    subreddit="user/$1/m/$2"
else
    subreddit="r/popular"
fi

echo "Getting /$subreddit"

rsstail -rlH -u https://www.reddit.com/$subreddit/.rss | awk '
        BEGIN {
                ResetColor  = "\033[0m"
                BrightColor = "\033[1;33m"
                DarkColor   = "\033[1;30m"
                last_update = systime()
        }
        /^Title:/ {
                title = $0
                sub(/Title:/, "", title)
        }
        /^Link:/ {
                link = $0
                sub(/Link:/, "", link)
        }
        title && link {
                # timestamp spam protection (30 seconds)
                if (systime() - last_update >= 30) {
                        print DarkColor "---[ " strftime("%H:%M") " ]-------------" ResetColor
                        print ""
                        last_update = systime()
                }

                print BrightColor title ResetColor
                print DarkColor link ResetColor
                print ""
                title = link = ""
        }
'