Update nc check command and random string generation

shell/scripts/bash.sh

@@ -1,5 +1,5 @@
 generate_uuid() {
-    echo "$(date +%s)-$$-$RANDOM" | openssl sha1 | cut -d " " -f2
+    echo "$(date +%s)-$$-$RANDOM"
 }
 
 preexec_invoke_exec() {

shell/scripts/collector.sh

@@ -16,10 +16,14 @@ command_exists() {
   command -v "$1" >/dev/null 2>&1
 }
 
-# Check if command exists and supports specific options
+# Check if nc supports the -U flag
 nc_supports_U() {
-  echo | nc -U "" &> /dev/null
-  return $?
+    echo | nc -U "" > /dev/null 2>&1
+    if [ $? -eq 0 ] || [ $? -eq 1 ]; then
+        return 0
+    else
+        return 1
+    fi
 }
 
 # Python function to communicate via socket

shell/scripts/fish.sh

@@ -1,7 +1,5 @@
 function generate_uuid
     echo (date +%s)"-"(echo %self)"-"(random)
-    | shasum
-    | cut -d " " -f1
 end
 
 function fish_preexec --on-event fish_preexec
@@ -14,4 +12,4 @@ end
 function fish_postexec --on-event fish_postexec
   # Send an end execution message
   {.CommandScriptPath}} "end" "$LAST_COMMAND" "$PWD" "$USER" "$UUID"
-end
+end

shell/scripts/zsh.sh

@@ -1,5 +1,5 @@
 generate_uuid() {
-  echo "$(date +%s)-$$-$RANDOM" | shasum | cut -d " " -f1
+  echo "$(date +%s)-$$-$RANDOM"
 }
 
 preexec() {