M .bashrc → .bashrc

@@ -235,6 +235,7 @@ 
 # public-ip: fetch current public IP address
 public-ip() {
     curl 'http://icanhazip.com/'
+    #curl 'https://j3s.sh/ip.html'
 }
 
 # scan-for-printers: look for printers on the connected LAN
@@ -291,6 +292,23 @@ echo "$file_path not found."
     fi
 }
 
+# Note: has a limit of like 10k or something, I forget
+hex2bin() {
+    if [ "$#" = 0 ]; then
+        echo "usage: $0 [path of file containing hex digits to bindump]"
+        return 1
+    fi
+    sed 's/\([0-9A-F]\{2\}\)/\\\\\\x\1/gI' "$1" | xargs printf
+}
+
+bin2hex() {
+    if [ "$#" = 0 ]; then
+        echo "usage: $0 [path of file to hexdump]"
+        return 1
+    fi
+    hexdump -v -e '1/1 "%02x"' "$1"
+}
+
 ############################## aliases ##############################
 
 # Note to self: alias substitution is recursive AS LONG AS each expanded alias
@@ -315,6 +333,8 @@ alias now='date +%s '
 alias gdb='gdb -q '  # muzzle gdb
 alias local_webserver='python -m http.server 8001 '  # can change port number
 alias hx='/usr/lib/helix/hx '
+# may be battery_BAT0
+alias bat-stat='upower -i /org/freedesktop/UPower/devices/battery_BAT1 | grep --color=never -E "state|to full|percentage"'
 
 # config editing aliases
 alias bashrc="$EDITOR ~/.bashrc"