newsbeuter open browser script in tmux

tmux-newsbeuter-open.sh

#!/bin/sh

shellbrowser='elinks'
tmux_current_window=`tmux display-message -p "#W"`
tmux_current_pane=`tmux display-message -p "#P"`

# Check if in the right tmux window
if [ $tmux_current_window != 'news' ];then
    elinks $1
    exit 0
fi

# If the window has only one pane, create one by splitting.
pane_count=`tmux list-panes -F '#{line}' | wc -l`
if [ $pane_count -lt 2 ]; then
    tmux split-window -h
fi

# Start my reader if it ain't running already, and send it the URL to
# open.
browser_process_count=`ps auxw | grep "$shellbrowser" | grep -cv grep`
if [ $browser_process_count -gt 0 ];then
    tmux send-keys -t 1 "t" "$1"
    tmux send -t 1 Enter
    tmux select-pane -t $tmux_current_pane
else
    tmux send-keys -t 1 "$shellbrowser \"$1\""
    tmux send -t 1 Enter
    tmux select-pane -t $tmux_current_pane
fi