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-- Quick example: Demonstrates the most common use cases
import("core.base.tty")
function example1_simple_progress()
print("\n=== Example 1: Simple Progress Bar ===\n")
if not tty.has_vtansi() then
print("ANSI not supported")
return
end
print("Downloading file...")
for i = 0, 100, 5 do
local width = 40
local filled = math.floor(i / 100 * width)
local bar = string.rep("█", filled) .. string.rep("░", width - filled)
-- Move to start of line, clear it, and redraw
tty.cr()
tty.erase_line()
io.write(string.format("[%s] %3d%%", bar, i))
io.flush()
os.sleep(50)
end
print("") -- New line after progress
end
function example2_update_previous_line()
print("\n=== Example 2: Update Previous Line ===\n")
if not tty.has_vtansi() then
print("ANSI not supported")
return
end
io.write("Building project...\n")
io.write("Status: Starting...\n")
io.flush()
os.sleep(1000)
-- Go back and update the status line
tty.cursor_move_up(1)
tty.cr()
tty.erase_line()
io.write("Status: Compiling files...\n")
io.flush()
os.sleep(1000)
tty.cursor_move_up(1)
tty.cr()
tty.erase_line()
io.write("Status: Done! ✓\n")
io.flush()
end
function example3_multi_line_update()
print("\n=== Example 3: Multi-line Updates ===\n")
if not tty.has_vtansi() then
print("ANSI not supported")
return
end
-- Create a simple status board
io.write("Task 1: Waiting...\n")
io.write("Task 2: Waiting...\n")
io.write("Task 3: Waiting...\n")
io.flush()
tty.cursor_hide()
-- Update Task 1 to Running
tty.cursor_move_up(3)
tty.cr()
tty.erase_line()
io.write("Task 1: Running... \n")
io.flush()
os.sleep(500)
-- Update Task 1 to Done
tty.cursor_move_up(1)
tty.cr()
tty.erase_line()
io.write("Task 1: Done ✓\n")
io.flush()
-- Update Task 2 to Running
tty.cr()
tty.erase_line()
io.write("Task 2: Running... \n")
io.flush()
os.sleep(500)
-- Update Task 2 to Done
tty.cursor_move_up(1)
tty.cr()
tty.erase_line()
io.write("Task 2: Done ✓\n")
io.flush()
-- Update Task 3 to Running
tty.cr()
tty.erase_line()
io.write("Task 3: Running... \n")
io.flush()
os.sleep(500)
-- Update Task 3 to Done
tty.cursor_move_up(1)
tty.cr()
tty.erase_line()
io.write("Task 3: Done ✓\n")
io.flush()
tty.cursor_show()
end
function main()
print(string.rep("=", 60))
print("TTY Cursor Control - Quick Examples")
print(string.rep("=", 60))
example1_simple_progress()
example2_update_previous_line()
example3_multi_line_update()
print("\n" .. string.rep("=", 60))
print("All examples completed!")
print("Check test.lua, cursor_control.lua, and live_dashboard.lua")
print("for more advanced examples.")
print(string.rep("=", 60))
end
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