Gnome Switch to next active workspace!

switch-workspace.sh

#!/bin/bash

orientation=$1

if [ "$orientation" != "next" ] \
    && [ "$orientation" != "previous" ];
then
    orientation="next"
fi

actualWS="$(wmctrl -d | grep -P "^\d+  \* " | cut -d' ' -f1)"
activesWS="$(wmctrl -l | cut -f3 -d' ' | sort | uniq)"
firstWS="$(echo "$activesWS" | head -n1)"
lastWS="$(echo "$activesWS" | tail -n1)"

next() {
    n=$(($actualWS + 1))
    for i in $(seq $n 1 $lastWS); do
        [ -z "$i" ] && break

        x=$(echo "$activesWS" | grep $i)
        [ -n "$x" ] && break
    done

    [ -n "$x" ] \
        && echo $x \
        || echo $firstWS

    exit 0
}

previous() {
    n=$(($actualWS - 1))
    if [ $n -lt $firstWS ]; then
        echo $lastWS
        exit 0
    fi

    for i in $(seq $n -1 $firstWS); do
        [ -z "$i" ] && break

        x=$(echo "$activesWS" | grep $i)
        [ -n "$x" ] && break
    done

    [ -n "$x" ] \
        && echo $x \
        || echo $lastWS

    exit 0
}

wmctrl -s $($orientation)