From 96d01820c1311de7703a80446b228e33b65eab7c Mon Sep 17 00:00:00 2001
From: Zhongheng Liu <zhongheng@stvnliu.me>
Date: Mon, 18 May 2026 11:48:00 +0200
Subject: [PATCH] init util-scripts repo

---
 batman.sh          |   2 +
 docked-setup.sh    |   2 +
 mem.sh             |   1 +
 screenshot-file.sh |   5 ++
 screenshot.sh      |   1 +
 stats.sh           |   1 +
 vol.sh             | 115 +++++++++++++++++++++++++++++++++++++++++++++
 7 files changed, 127 insertions(+)
 create mode 100755 batman.sh
 create mode 100755 docked-setup.sh
 create mode 100755 mem.sh
 create mode 100755 screenshot-file.sh
 create mode 100755 screenshot.sh
 create mode 100755 stats.sh
 create mode 100755 vol.sh

diff --git a/batman.sh b/batman.sh
new file mode 100755
index 0000000..1440ac5
--- /dev/null
+++ b/batman.sh
@@ -0,0 +1,2 @@
+#!/usr/bin/bash
+echo $(wcalc -q "round($(cat /sys/class/power_supply/BAT1/charge_now)/$(cat /sys/class/power_supply/BAT1/charge_full) * 100)")%
diff --git a/docked-setup.sh b/docked-setup.sh
new file mode 100755
index 0000000..9501045
--- /dev/null
+++ b/docked-setup.sh
@@ -0,0 +1,2 @@
+sleep 5
+wlr-randr --output "HDMI-A-1" --on --mode "2560x1440@144.001007" --scale 1
diff --git a/mem.sh b/mem.sh
new file mode 100755
index 0000000..95a402b
--- /dev/null
+++ b/mem.sh
@@ -0,0 +1 @@
+free -g | awk 'NR==2 {printf "%dG/%dG\n", $3, $2}'
diff --git a/screenshot-file.sh b/screenshot-file.sh
new file mode 100755
index 0000000..46d9a73
--- /dev/null
+++ b/screenshot-file.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/sh
+IFS=""
+file="$HOME/Screenshots/$(date '+%Y-%m-%d-%H-%M-%S.png')"
+echo $file
+slurp | grim -g - $file
diff --git a/screenshot.sh b/screenshot.sh
new file mode 100755
index 0000000..2cb8d22
--- /dev/null
+++ b/screenshot.sh
@@ -0,0 +1 @@
+slurp | grim -g - - | wl-copy
diff --git a/stats.sh b/stats.sh
new file mode 100755
index 0000000..51f0ab0
--- /dev/null
+++ b/stats.sh
@@ -0,0 +1 @@
+echo "<$(hostname)@$(uname -r)> [BAT: $(batman)] [MEM: $(mem)]"
diff --git a/vol.sh b/vol.sh
new file mode 100755
index 0000000..e12df6d
--- /dev/null
+++ b/vol.sh
@@ -0,0 +1,115 @@
+#!/usr/bin/env bash
+#
+# volume-notify.sh — adjust volume via wpctl + show notification via dunstify
+#
+# Usage:
+#   volume-notify.sh up    → raise volume
+#   volume-notify.sh down  → lower volume
+#   volume-notify.sh mute  → toggle mute
+#
+# Adjust the step size and icons as desired.
+
+# Which sink to use — default audio sink
+SINK="@DEFAULT_SINK@"
+
+# Step percent (use percentage step)
+STEP="5%"
+
+# Notification stack tag (so dunst replaces same notification)
+STACK_TAG="volume-notify"
+
+# Icons (set your paths or icon names)
+ICON_HIGH="audio-volume-high"
+ICON_MED="audio-volume-medium"
+ICON_LOW="audio-volume-low"
+ICON_MUTED="audio-volume-muted"
+
+# Increase volume
+vol_up() {
+    wpctl set-volume $SINK $STEP+ -l 1
+}
+
+# Decrease volume
+vol_down() {
+    wpctl set-volume $SINK $STEP- -l 1
+}
+
+# Toggle mute
+vol_mute() {
+    wpctl set-mute $SINK toggle
+}
+
+# Get current volume (floating between 0.0-∞, where 1.0 = 100%) and compute percent
+get_volume_percent() {
+    # Example output: “Volume: 0.50” or “Volume: 0.50 [50%]”
+    local raw
+    raw=$(wpctl get-volume $SINK 2>/dev/null | awk '/Volume:/ {print $2}')
+    # convert to percent
+    # float *100
+    local pct
+    pct=$(awk "BEGIN { printf \"%d\", ($raw * 100) }")
+    echo "$pct"
+}
+
+# Get mute state (yes/no)
+get_mute_state() {
+    local m
+    m=$(wpctl get-volume $SINK 2>/dev/null | awk '/Mute:/ {print $2}')
+    echo "$m"
+}
+
+# Send the notification
+send_notification() {
+    local pct mute icon bar
+    pct=$(get_volume_percent)
+    mute=$(get_mute_state)
+
+    if [[ "$mute" == "yes" ]]; then
+        icon="$ICON_MUTED"
+        # we can treat volume as 0
+        pct=0
+    else
+        # pick icon based on level
+        if (( pct >= 66 )); then
+            icon="$ICON_HIGH"
+        elif (( pct >= 33 )); then
+            icon="$ICON_MED"
+        else
+            icon="$ICON_LOW"
+        fi
+    fi
+
+    # Optional: build a simple textual bar (e.g., █ or ░)
+    # e.g., length 20, filled proportionally
+    local barlen=20
+    local filled=$(( (pct * barlen) / 100 ))
+    bar=$(printf '%*s' "$filled" '' | tr ' ' '█')
+    bar+=$(printf '%*s' "$((barlen - filled))" '' | tr ' ' '░')
+
+    # Send notification: use value hint for progress bar
+    dunstify -i "$icon" \
+		-u normal \
+		-h string:x-dunst-stack-tag:$STACK_TAG \
+		-h int:value:$pct "Volume: ${pct}%"
+}
+
+# Main logic
+case "$1" in
+    up)
+        vol_up
+        send_notification
+        ;;
+    down)
+        vol_down
+        send_notification
+        ;;
+    mute)
+        vol_mute
+        send_notification
+        ;;
+    *)
+        echo "Usage: $0 {up|down|mute}"
+        exit 1
+        ;;
+esac
+