initial commit with black and white info

2025-12-20 19:58:14 +01:00
commit 99bd17d5ea
1 changed files with 62 additions and 0 deletions
@@ -0,0 +1,62 @@
+#!/bin/bash
+
+# logo definition
+LOGO="                |
+       /\\       |
+      /  \\      |
+     /    \\     |
+    /      \\    |
+   /   ,,   \\   |
+  /   |  |   \\  |
+ /_-''    ''-_\\ |
+                |"
+
+# all the info fields
+USER=$USER
+HOSTNAME=$(cat /etc/hostname)
+#CPU_MODELNAME=$(cat /proc/cpuinfo | awk '/model name\t:/' | awk -F ": " '{print $2}' | head -1)
+CPU_MODELNAME="Intel Core i5-8365U"
+CPU_THREADS_NUM=$(nproc)
+RAM_FREE=$(awk '/MemFree:/ { printf "%.1f\n", $2 / 1000000 }' /proc/meminfo)
+RAM_TOTAL=$(awk '/MemTotal:/ { printf "%.1f\n", $2 / 1000000 }' /proc/meminfo)
+RAM="${RAM_FREE}G / ${RAM_TOTAL}G"
+#GPU=$(cat /sys/class/drm/card1/device/{vendor,device} | tr '\n' ':' | head -c -1)
+#GPU="Intel(R) UHD Graphics 620"
+UPTIME=$(awk '{ s=int($1); printf "%dd %dh %dm\n", s/86400, (s%86400)/3600, (s%3600)/60 }' /proc/uptime)
+KERNEL=$(uname -r)
+WM="dwm"
+TERM=$TERM
+SHELL=$SHELL
+
+
+horizontal_n=$((${#USER} + ${#HOSTNAME} + 3))
+horizontal_separator_char="-"
+HORIZONTAL_SEPARATOR=$(printf '%*s' "$horizontal_n" ' ' | tr ' ' "$horizontal_separator_char")
+
+# -----
+# output login
+
+# convert the logo into an array of "lines" (strings)
+mapfile -t LOGO_LINES <<< "$LOGO"
+
+# array of strings as well for the info fields
+INFO_LINES=(
+"$USER @ $HOSTNAME"
+$HORIZONTAL_SEPARATOR
+"CPU    : $CPU_MODELNAME ($CPU_THREADS_NUM threads)"
+"RAM    : $RAM"
+#"GPU: $GPU"
+"      : $UPTIME"
+"      : $KERNEL"
+"      : $WM"
+"      : $TERM"
+"      : $SHELL"
+)
+
+for i in "${!LOGO_LINES[@]}"; do
+    # 15 chars is the length of the logo
+    printf "%-15s" "${LOGO_LINES[$i]}"
+    # only print info if it exists for this line
+    [ $i -lt ${#INFO_LINES[@]} ] && printf " %s" "${INFO_LINES[$i]}"
+    printf "\n"
+done