A CLI-only read-later list.

readlater.sh

#!/usr/bin/env bash

# readlater.sh -- a time waster by Bill Israel <bill.israel@gmail.com>
#
# Think of it as an overly simplified, text-based version of Instapaper
# without most of the cool features.
#

# The path to your read later file (I recommend it being a file in Dropbox)
RL_FILE="$HOME/Dropbox/readlater.txt"
TAB=$'\t'

# usage - Prints the usage message
usage() {
    cat <<USAGE
usage: $0 {add|rm|list|get} {id|URL}

    add     Add somehing to the list. Expects a URL to save.
            Example: readlater.sh add http://example.com/

    rm      Removes something from the list. Expects and id to delete.
            Example: readlater.sh rm 8

    list    Lists all the currently saved URLs. No parameters expected.
            Example: readlater.sh list

    get     Returns the URL for the specified id.
            Example: readlater.sh get 8

USAGE
}

# Add something to the list
_add() {
    # If the file doesn't exist yet, create it
    [ ! -f "$RL_FILE" ] && touch "$RL_FILE"

    URL=$1; shift
    DESC="$@" 
    echo -e "$URL\t$DESC" >> $RL_FILE
    echo -e "$URL saved\n"
}

# Remove something from the list
_rm() {
    ID=$1
    sed -i "" "${ID}d" $RL_FILE
    echo -e "Deleted URL with id $ID\n"
}

# Print the list of items
_list() {
    i=1
    echo
    while read line; do
        URL=`echo "$line" | cut -f 1`
        [[ $line =~ $TAB ]] && DESC=`echo "$line" | cut -f 2-` || DESC=""
        echo -e "   $i:\t$URL\t($DESC)"
        let "i+=1"
    done < $RL_FILE | column -t -s "$TAB"
    echo
}

# Return the URL associated with an id
_get() {
    ID=$1
    sed -n "${ID}p" $RL_FILE | cut -f 1
}


CMD=$1; shift
case $CMD in
    add)
        [ -z "$1" ] && usage && exit 1
        URL=$1; shift
        _add $URL "$@"
        ;;

    rm)
        [ -z "$1" ] && usage && exit 1
        _rm $1
        ;;

    get)
        [ -z "$1" ] && usage && exit 1
        _get $1
        ;;

    list)
        _list
        ;;

    *)
        echo -e "Unknown command '$CMD'.\n"
        usage
        exit 1
        ;;
esac