add battery back to laptop

laptop/.config/i3blocks/battery/battery_info.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# If ACPI was not installed, this probably is a battery-less computer.
+ACPI_RES=$(acpi -b)
+ACPI_CODE=$?
+if [ $ACPI_CODE -eq 0 ]
+then
+    # Get essential information. Due to som bug with some versions of acpi it is
+    # worth filtering the ACPI result from all lines containing "unavailable".
+    BAT_LEVEL_ALL=$(echo "$ACPI_RES"  | grep -E -o "[0-9][0-9]?[0-9]?%")
+    BAT_LEVEL=$(echo "$BAT_LEVEL_ALL" | awk -F"%" 'BEGIN{tot=0;i=0} {i++; tot+=$1} END{printf("%d%%\n", tot/i)}')
+    TIME_LEFT=$(echo "$ACPI_RES" |  grep -E -o "[0-9]{2}:[0-9]{2}:[0-9]{2}")
+    IS_CHARGING=$(echo "$ACPI_RES" | awk '{ printf("%s\n", substr($3, 0, length($3)-1) ) }')
+
+    # If there is no 'time left' information (when almost fully charged) we 
+    # provide information ourselvs.
+    if [ -z "$TIME_LEFT" ]
+    then
+        TIME_LEFT="00:00:00"
+    fi
+
+    # Print full text. The charging data.
+    TIME_LEFT=$(echo $TIME_LEFT | awk '{ printf("%s\n", substr($1, 0, 5)) }')
+    echo "🔋$BAT_LEVEL ⏳$TIME_LEFT "
+
+    # Print the short text.
+    echo "BAT: $BAT_LEVEL"
+    
+    # Change the font color, depending on the situation.
+    if [ "$IS_CHARGING" = "Charging" ]
+    then
+        # Charging yellow color.
+        echo "#D0D000"
+    else
+        if [ "${BAT_LEVEL%?}" -le 15 ]
+        then
+            # Battery very low. Red color.
+            echo "#FA1E44"
+        else
+            # Battery not charging but at decent level. Green color.
+            echo "#007872"
+        fi
+    fi
+fi

laptop/.config/i3blocks/config

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+[NOW_PLAYING]
+command=mpris-ctl info '🎶 %player_name: %track_name - %artist_name' 
+interval=1
+color=#1DB954
+
+[DISK]
+command=df -h / | awk '/\//{ printf(" 💾 %sB \n", $4) }'
+interval=10
+color=#C9E3DB
+
+[CPU]
+full_text= CPU:  0.00% @ +00.0°C 
+command=~/.config/i3blocks/cpu/cpu_info.sh
+interval=2
+color=#0071C5
+
+[BATTERY]
+command=~/.config/i3blocks/battery/battery_info.sh
+interval=2
+
+[MEM]
+command=free -h | awk '/Mem:/ { printf(" %5s/%s \n", $3, $2) }'
+interval=5
+color=#FEC925
+
+[TIME_DATE]
+command=date +" %a, %d %b - %H:%M:%S"
+interval=1

laptop/.config/i3blocks/cpu/cpu_info.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+TEMP=$(sensors | grep 'Package id 0:\|Tdie' | grep ':[ ]*+[0-9]*.[0-9]*°C' -o | grep '[0-9]*.[0-9]*°C' -o)
+CPU_USAGE=$(mpstat 1 1 | awk '/Average:/ {printf("%i\n", $(NF-9))}')
+echo "$CPU_USAGE $TEMP" | awk '{ printf(" CPU:%3s% @ %s \n"), $1, $2 }'

laptop/.config/i3blocks/sound/sound_burst.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+for i in $(seq 1 5)
+do
+    sleep 0.2
+    pkill -RTMIN+1 i3blocks
+done

laptop/.config/i3blocks/sound/sound_info.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+VOLUME_MUTE="🔇"
+VOLUME_LOW="🔈"
+VOLUME_MID="🔉"
+VOLUME_HIGH="🔊"
+SOUND_LEVEL=$(amixer -M get Master | awk -F"[][]" '/%/ { print $2 }' | awk -F"%" 'BEGIN{tot=0; i=0} {i++; tot+=$1} END{printf("%s\n", tot/i) }')
+MUTED=$(amixer get Master | awk ' /%/{print ($NF=="[off]" ? 1 : 0); exit;}')
+
+ICON=$VOLUME_MUTE
+if [ "$MUTED" = "1" ]
+then
+    ICON="$VOLUME_MUTE"
+else
+    if [ "$SOUND_LEVEL" -lt 34 ]
+    then
+        ICON="$VOLUME_LOW"
+    elif [ "$SOUND_LEVEL" -lt 67 ]
+    then
+        ICON="$VOLUME_MID"
+    else
+        ICON="$VOLUME_HIGH"
+    fi
+fi
+
+echo "$ICON" "$SOUND_LEVEL" | awk '{ printf(" %s:%3s%% \n", $1, $2) }'
+