Weather Scraper

#!/bin/bash
# Filename: weather.sh
# Version.: 21092018
# Author..: robz
#
# Met Office scraper widget.
# Get the url from the web page for your location, chop the date off the end.
# Run from a launcher with this command.
# mate-terminal -t "Current Weather" -e /home/robz/scripts/weather.sh
#
sed1 () { sed 's/<[^>]\+>//g'; }
sed2 () { sed -e 's/^[ \t\n]*//;s/[ \t\n]*//'; }

wsite="https://www.metoffice.gov.uk/public/weather/forecast/qwerty123#?date="
wfile="/home/robz/scripts/weather.txt"
hours=$(date +%H | sed 's/^0//')
today="$(date +%Y-%m-%d)"
check=$(grep 'Timecheck' "$0" | tail -1 | cut -d' ' -f3)

if [[ "$check" != "$hours" ]]; then             # Check stamp at end of script.
    wget -q --retry-connrefused --waitretry=1 \
    "$wsite$today" -O "$wfile"                  # If it's old re-scrape page.
    sed -i '$d' "$0"                            # Delete old time stamp.
    echo "# Timecheck $hours" >> $0             # Insert new.
fi

echo -e "\nTodays weather - $(date +%a' '%d' '%b' - '%H':00') onwards:-\n"

time=$(grep -m1 -A9 'Now' "$wfile" | sed1 | sed2)
aspt=$(grep -m1 -A30 'weatherWX' "$wfile" | sed2 | grep 'title' | \
cut -d\" -f2 | sed -e 's/day\|night//')
prec=$(grep -m1 -A10 'Chance' "$wfile" | sed1 | sed2 | cut -d\; -f2 | tail)
temp=$(grep -m1 -A80 'weatherTemp' "$wfile" | grep 'data-value=' | \
cut -d\" -f2 | sed 's/$/°C/')
wind=$(grep -m10 -A10 '"direction"' "$wfile" | grep 'data-value=' | \
cut -d\" -f2 | sed -e 's/$/mph/')
win2=$(grep -m10 -A10 '"direction"' "$wfile" | grep 'data-value2=' | \
cut -d\" -f2)
gust=$(grep -m11 -A11 '"gust"' "$wfile" | grep 'data-value="' | sed 'n;d;' | \
cut -d\" -f2 | sed -e 's/$/mph/')

hours=$(( 24-hours ))                           # Number of hours to head file.
paste <(echo "$time") <(echo "$aspt") <(echo "$prec") <(echo "$temp") \
<(echo "$wind") <(echo "$win2") <(echo "$gust") | head -n$hours | \
column -s $'\t' -t

echo
echo $(grep -m2 -E 'Sunrise|Sunset' "$wfile" | sed1 | sed2) | column -s -t
read

# Timecheck has to be the last line no blanks.
# Timecheck 13

Clean Scrape

#!/bin/bash
# Filename: clean-scrape.sh
# Version.: 05082018
# Author..: robz
# Clean list of magnet links from "showRSS.info" page source scrape.
# Add to your file browser scripts directory for right click usage.
# Usage: In the web browser, right click - "View Page Source" - "Select All" 
# left click - drag to desktop - right click - run script

cd '/home/robz/Desktop'
[ -e 'dropped text.txt' ] || exit
sed '/1080p\|720p/d;/href="magnet/!d;s/.*href="//;s/" .*//' 'dropped text.txt' \
| sort -t= -k3 -o 'dropped text.txt'
mv 'dropped text.txt' 'add-magnet.txt'
exit

Fix Subtitle Offset

#!/bin/bash
# Filename: srt-fix-offset.sh
# Version.: 20052018
# Author..: not robz
# A script to modify subtitle offset beyond the Kodi maximum of 60 seconds.
# Put original titles in a file called "srt.txt" in your home directory and
# run the script.
# In all honesty this is pretty much a copy paste job from Linux Questions.
# For more detailed information goto:
# www.linuxquestions.org/questions/linux-newbie-8/editing-srt-files-4175436550/
#
# Modify and comment the offset variable as appropriate.
# Advance subtitles.
offset="75 seconds"
# Retard subtiles.
#offset="5 seconds ago"

while read start s end; do
    if [[ $start =~ ^..:..:..,... ]]; then
        start=$(date -d "$start $offset" +%H:%M:%S,%N)
        end=$(date -d "$end $offset" +%H:%M:%S,%N)
        echo ${start:0:12} $s ${end:0:12}
    else
        echo $start $s $end
    fi
done < srt.txt >> new-subtitles.srt

DAB Radio

#!/bin/bash
# Filename: dab-radio.sh
# Version.: 07022018
# Author..: robz
# Basic DAB radio via a cheap DVB-T dongle using a "zenity" gui and the command
# line version of "vlc player", see man vlc. The utility "wmctrl" places the gui
# top left of the screen. The initial scanning for radio stations I used the
# "w_scan" utility to create a playlist text file.

text="Make a selection"
optn=":dvb-frequency=522000000 :dvb-bandwidth=8 :dvb-ts-id=4168 \
:dvb-code-rate-hp=2/3 :dvb-modulation=64QAM :dvb-transmission=8 \
:dvb-guard=1/32 :program="

get_mplex () {
prog=$(zenity --list --radiolist --height=400 --width=200 --hide-header \
--title='robz DAB Radio' --text="$text" --column '' --column '' --column '' \
--hide-column=3 --print-column=ALL --ok-label='Play' \
FALSE 'BBC Radio 1' '6720' \
FALSE 'BBC Radio 1 Extra' '5888' \
FALSE 'BBC Radio 2' '6784' \
FALSE 'BBC Radio 3' '6848' \
FALSE 'BBC Radio 4' '6912' \
FALSE 'BBC Radio 4 Extra' '5824' \
FALSE 'BBC World Service' '6016' \
FALSE 'BBC Radio 5 Live' '5632' \
FALSE 'BBC Radio 5 Sport' '5696' \
FALSE 'BBC Radio 6 Music' '5760' \
FALSE 'BBC Manchester' '6152' \
FALSE 'BBC Lancashire' '6216'
)
}

while true; do
    (sleep .5 && wmctrl -r "robz DAB Radio" -e 1,0,0,200,400) &
    get_mplex
    text="<b>Playing: $(cut -d'|' -f1 <<< $prog)</b>"
    prog="$(cut -d'|' -f2 <<< $prog)"
    pkill -9 vlc
    if [ "$prog" = '' ]; then exit; fi
    (cvlc dvb-t:// $optn$prog > /dev/null 2>&1) &
done

Morse 2

#!/bin/bash
# Filename: morse2.sh
# Version.: 03102017
# Author..: robz
# Enter words hear morse.

trap 'kill -9 $pid 2>/dev/null; echo; exit' TERM EXIT

declare -A morse
morse[A]=".-"     morse[B]="-..."   morse[C]="-.-."   morse[D]="-.."
morse[E]="."      morse[F]="..-."   morse[G]="--."    morse[H]="...."
morse[I]=".."     morse[J]=".---"   morse[K]="-.-"    morse[L]=".-.."
morse[M]="--"     morse[N]="-."     morse[O]="---"    morse[P]=".--."
morse[Q]="--.-"   morse[R]=".-."    morse[S]="..."    morse[T]="-"
morse[U]="..-"    morse[V]="...-"   morse[W]=".--"    morse[X]="-..-"
morse[Y]="-.--"   morse[Z]="--.."   morse[1]=".----"  morse[2]="..---"
morse[3]="...--"  morse[4]="....-"  morse[5]="....."  morse[6]="-...."
morse[7]="--..."  morse[8]="---.."  morse[9]="----."  morse[0]="-----"
morse[.]=".-.-.-" morse[,]="--..--" morse[?]="..--.."

while true; do
    read -p "Input a word or sentence: " input
    echo
    while read -n1 character; do
        character="${character^^}"
        if [ "$character" ]; then
            echo -ne " $character\t"
            while read -n1 dotdash; do
                tput bold
                [ "$dotdash" = "." ] && duration="0.2" || duration="0.4"
                echo -n "$dotdash"
                (speaker-test -t sine -f 400 >/dev/null) & pid="$!";\
                sleep "$duration"; kill -9 "$pid"
                tput sgr0
            done < <(echo -n "${morse[$character]}")
            sleep 0.2; echo
        else sleep 0.4; echo
        fi 2> /dev/null
    done < <(echo -n "$input")
    echo
done