wow

demos/basic.luash

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+#!/usr/bin/env luash
+-- Basic Luash Demo: Environment Variables and Shell Commands
+
+print("=== Basic Luash Features ===\n")
+
+-- Environment variable access (clean syntax)
+print("1. Environment Variables:")
+print("   User: " .. $USER)
+print("   Shell: " .. $SHELL) 
+print("   Home: " .. $HOME)
+
+-- Environment variable assignment
+print("\n2. Setting Environment Variables:")
+$MY_VAR = "Hello from Luash!"
+print("   Set MY_VAR = " .. $MY_VAR)
+
+-- String literals preserve $ symbols
+print("\n3. Strings preserve $ literals:")
+print("   This prints literally: $USER and $HOME are variables")
+
+-- Shell command execution with backticks
+print("\n4. Shell Commands:")
+hostname = `hostname`
+print("   Hostname: " .. hostname)
+
+date_info = `date +"%Y-%m-%d %H:%M:%S"`
+print("   Current time: " .. date_info)
+
+-- Interactive commands for direct output
+print("\n5. Interactive Commands:")
+print("   Directory listing:")
+!ls -la
+
+print("\n6. Combining Lua logic with shell:")
+files = `ls -1`
+file_count = 0
+for line in files:gmatch("[^\n]+") do
+    file_count = file_count + 1
+end
+print("   Found " .. file_count .. " files in current directory")