uuidgen alternatives

diff --git a/.bin/tmux b/.bin/tmux
index 6a4a360a4f8f3182680fcf51fe30b5be2d0b572e..577b74606eef37acbc1d484011663bdda05e8e2b 100755 (executable)
--- a/.bin/tmux
+++ b/.bin/tmux
@@ -44,8 +44,16 @@ fi
 # only without argument create a new session with a random name/id to which we
 # can then attach
 
 # only without argument create a new session with a random name/id to which we
 # can then attach
 

-if ! command -v uuidgen >/dev/null; then
+which() { command -v "$@" >/dev/null;}
+
+if   which uuid; then alias uuidgen=uuid
+elif which uuidgen; then :
+elif which python3; then

   uuidgen() { python3 -c 'import uuid; print(uuid.uuid1())'; }
   uuidgen() { python3 -c 'import uuid; print(uuid.uuid1())'; }

+elif which python; then
+  uuidgen() { python -c 'import uuid; print(uuid.uuid1())'; }
+else
+  uuidgen() { dd if=/dev/urandom bs=16 count=1 status=none | base64; }

 fi
 UUID=$(uuidgen)
 echo "$UUID" > $LASTSESSIONIDFILE
 fi
 UUID=$(uuidgen)
 echo "$UUID" > $LASTSESSIONIDFILE