My .xinitrc process for running window managers through SLiM.

.xinitrc

#!/bin/bash

# An additional script that will execute for wm-specific configuration
wm_init_script = "${HOME}/.config/${1}/init.sh"

# Execute the window manager and save it's pid for later
exec $1 &
wm_pid = $!

# A bit of a time gap for the window manager to get started.
sleep 1

# Creates custom keybinds for commands.
xbindkeys &

if [[ -f "${wm_init_script}" ]]; then
  exec "${wm_init_script}"
fi

# Wait for the WM to close before this script and it's subprocesses exit
wait ${wm_pid}

init.sh

#!/bin/bash

while true; do
  ./status.sh
done &

status.sh

#!/bin/bash

dwm_status=""
update_interval=5

# Appends the provided arguments as text in the status bar
appendstatus () {
        dwm_status=${dwm_status}$@
}

# Get the current playing song if available
xmms2_current=$(xmms2 current | cut -f2 -d: | sed 's/ *$//g | sed 's/^ *//g')
xmms2_status=$(xmms2 current | cut -f1 -d:)

if [[ ${xmms2_status} != Stopped ]]; then
        if [[ ${xmms2_status} != Paused ]]; then
                appendstatus ${xmms2_current}
        fi
fi

# Appends the amount of battery remaining if not charged
battery_remaining=$(acpi | cut -f 2 -d, | sed 's/ *$//g | sed 's/^ *//g')

if [[ "${battery_remaining}"!="100%" ]]; then
        if [[ "${dwm_status}" != "" ]]; then
                battery_remaining_text=" (${battery_remaining})"
        else
                battery_remaining_text=${battery_remaining}
        fi

        appendstatus ${battery_remaining_text}
fi

# Appends the hostname to the status if nothing else is in it
if [[ "${dwm_status}" = "" ]]; then
        appendstatus $(hostname)
fi

xsetroot -name "${dwm_status}"

sleep ${update_interval}