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https://github.com/CCLeonOS/LeonOS.git
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Leonmmcoset
07725d96ee
- 添加 time.lua 程序用于显示和格式化当前时间 - 添加 imageview.lua 程序用于从URL加载和显示图片 - 添加 pkg_download_en.hlp 帮助文档说明包管理功能 - 更新安装器版本号至 0.3.7 Beta 7
66 lines
1.7 KiB
Lua
66 lines
1.7 KiB
Lua
-- time.lua: Display current time
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local shell = require("shell")
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-- 帮助信息函数
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local function printHelp()
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print("Usage: time [options]")
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print("Options:")
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print(" --help, -h Show this help message")
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print(" --format, -f <fmt> Specify time format string (see below for details)")
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print("
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Formats for --format option:")
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print(" %Y: Year (4 digits)")
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print(" %m: Month (01-12)")
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print(" %d: Day (01-31)")
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print(" %H: Hour (00-23)")
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print(" %M: Minute (00-59)")
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print(" %S: Second (00-59)")
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print(" %A: Full weekday name")
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print(" %B: Full month name")
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print("
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Examples:")
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print(" time # Show current time in default format")
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print(" time --format '%Y-%m-%d %H:%M:%S' # Show time as YYYY-MM-DD HH:MM:SS")
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print(" time -f '%A, %B %d, %Y' # Show time as 'Monday, January 01, 2023'")
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end
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-- 主函数
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local function main(args)
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-- 处理命令行参数
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local showHelp = false
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local formatStr = "%Y-%m-%d %H:%M:%S"
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local i = 1
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while i <= #args do
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if args[i] == "--help" or args[i] == "-h" then
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showHelp = true
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elseif args[i] == "--format" or args[i] == "-f" then
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i = i + 1
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if i <= #args then
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formatStr = args[i]
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else
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print("Error: Missing format string for --format option")
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return
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end
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else
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print("Error: Unknown option '" .. args[i] .. "'\n")
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printHelp()
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return
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end
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i = i + 1
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end
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if showHelp then
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printHelp()
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return
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end
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-- 获取并显示当前时间
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local currentTime = os.time()
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local formattedTime = os.date(formatStr, currentTime)
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print(formattedTime)
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end
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-- 运行主函数
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local args = {...}
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main(args) |