mirror of
https://github.com/CCLeonOS/LeonOS.git
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Leonmmcoset
7e07e1636f
fix(project_rules): 修正文档中的中文支持说明 chore: 更新版本号至0.3.8 feat: 新增history命令用于查看和管理命令历史记录 feat: 新增config命令用于管理系统配置 feat: 新增find命令用于文件搜索 docs: 添加新命令建议文档 test: 添加history、config和find命令的测试脚本
114 lines
3.0 KiB
Lua
114 lines
3.0 KiB
Lua
-- history.lua: Command history viewer
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local term = require("term")
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local colors = require("colors")
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local textutils = require("textutils")
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local shell = require("shell")
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-- Get the global history table from shell
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local function getHistory()
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-- Search for the shell thread to access its history
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local thread = require("rc.thread")
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local shellThread = thread.vars().parentShell
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if shellThread then
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local env = thread.getenv(shellThread)
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if env and env.history then
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return env.history
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end
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end
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-- Fallback to empty history if not found
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return {}
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end
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-- Display help information
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local function printHelp()
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print("Usage: history [options]")
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print("Options:")
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print(" --help, -h Show this help message")
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print(" --clear, -c Clear command history")
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print(" --search, -s <pattern> Search history for pattern")
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print(" <number> Execute command by history number")
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print([[
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Displays command history in LeonOS.]])
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end
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-- Clear command history
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local function clearHistory()
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local history = getHistory()
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for i = #history, 1, -1 do
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history[i] = nil
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end
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print("Command history cleared.")
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end
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-- Search history for pattern
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local function searchHistory(pattern)
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local history = getHistory()
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local results = {}
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for i, cmd in ipairs(history) do
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if cmd:find(pattern) then
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table.insert(results, {i, cmd})
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end
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end
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return results
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end
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-- Main function
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local function main(args)
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-- Process command line arguments
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if #args == 0 then
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-- Display all history
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local history = getHistory()
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if #history == 0 then
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print("No command history available.")
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return
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end
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print("Command history:")
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for i, cmd in ipairs(history) do
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term.setTextColor(colors.cyan)
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io.write(string.format(" %3d ", i))
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term.setTextColor(colors.white)
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print(cmd)
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end
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elseif args[1] == "--help" or args[1] == "-h" then
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printHelp()
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elseif args[1] == "--clear" or args[1] == "-c" then
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clearHistory()
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elseif args[1] == "--search" or args[1] == "-s" then
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if #args < 2 then
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print("Error: Missing search pattern.")
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printHelp()
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else
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local results = searchHistory(args[2])
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if #results == 0 then
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print("No matching commands found.")
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else
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print("Search results:")
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for _, item in ipairs(results) do
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term.setTextColor(colors.cyan)
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io.write(string.format(" %3d ", item[1]))
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term.setTextColor(colors.white)
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print(item[2])
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end
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end
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end
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else
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-- Try to execute command by number
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local num = tonumber(args[1])
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if num then
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local history = getHistory()
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if num >= 1 and num <= #history then
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print("Executing: " .. history[num])
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shell.run(history[num])
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else
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print("Error: Invalid history number.")
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end
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else
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print("Error: Unknown option or command number.")
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printHelp()
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end
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end
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end
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-- Run the main function
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local args = {...}
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main(args) |