Several fixes, patched dwmblocks so it shows spaces around the bar

dwmblocks_scripts/battery_notify

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+PRCT=$(acpi | awk -F, '{ print $2 }' | sed 's/%//g' | xargs)
+if [[ $PRCT -lt 20 ]]; then
+	notify-send -u critical "Battery level is CRITICAL!" "$PRCT"
+fi

dwmblocks_scripts/dwm_battery

@@ -1,7 +1,13 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-prct=$(acpi | grep 'Discharging' | awk '{print $4}' | sed 's/,//')
-batid=$(acpi | grep 'Discharging' | awk '{print $2}' | sed 's/://')
+prct=$(acpi 2>/dev/null | grep 'Discharging' | awk '{print $4}' | sed 's/,//')
+batid=$(acpi 2>/dev/null | grep 'Discharging' | awk '{print $2}' | sed 's/://')
+
+# If not supported
+if [[ $(acpi 2>&1 | grep 'No support') ]]; then
+	echo "No battery" >&2;
+	exit 1
+fi
 
 # If charged
 if [[ $(acpi | grep 'Discharging' | wc -c) -eq $(acpi | grep 'Charging' | wc -c) ]]; then

dwmblocks_scripts/dwm_date

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+DATE=$(date '+%b %d (%a) %I:%M:%S %p')
+echo "$DATE"

dwmblocks_scripts/dwm_ipaddr

@@ -1,6 +1,6 @@
 #!/bin/bash
-eth="$(ip -4 addr show eth0 | grep -oP '(?<=inet\s)\d+(\.\d+){3}')"
-wlp="$(ip -4 addr show wlan0 | grep -oP '(?<=inet\s)\d+(\.\d+){3}')"
+eth="$(ip -4 addr show eth0 2>/dev/null | grep -oP '(?<=inet\s)\d+(\.\d+){3}')"
+wlp="$(ip -4 addr show wlan0 2>/dev/null | grep -oP '(?<=inet\s)\d+(\.\d+){3}')"
 
 if [[ $(echo $eth | wc -c) -gt 1 ]]
 then

dwmblocks_scripts/dwm_ssid

@@ -1,12 +1,14 @@
 #!/bin/bash
+# This works just with wpa_supplicant
 
-ssid="$(wpa_cli status | grep ssid | sed -n '2p' | awk -F '=' '{print $2}')"
+ssid="$(wpa_cli status 2>/dev/null | grep ssid | sed -n '2p' | awk -F '=' '{print $2}')"
 
 if [[ $(echo $ssid | wc -c) -gt 1 ]]
 then
-    echo "$ssid"
-    exit;
+    echo "SSID $ssid"
+    exit 0;
 fi
 
-echo ""
+echo "No SSID available" >&2
+exit 1