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https://github.com/CCLeonOS/LeonOS.git
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Leonmmcoset
95165d491d
将原有的list.lua程序完全重构为rc.shell，实现以下改进： 1. 添加shell初始化流程，包括运行startup脚本 2. 实现命令别名和自动补全功能 3. 添加交互式shell循环和历史记录功能
79 lines
1.8 KiB
Lua
79 lines
1.8 KiB
Lua
-- rc.shell
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local rc = require("rc")
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local fs = require("fs")
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local term = require("term")
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local shell = require("shell")
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local colors = require("colors")
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local thread = require("rc.thread")
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local textutils = require("textutils")
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if os.version then
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textutils.coloredPrint(colors.yellow, os.version(), colors.white)
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else
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textutils.coloredPrint(colors.yellow, rc.version(), colors.white)
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end
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thread.vars().parentShell = thread.id()
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shell.init(_ENV)
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if not shell.__has_run_startup then
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shell.__has_run_startup = true
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if fs.exists("/startup.lua") then
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local ok, err = pcall(dofile, "/startup.lua")
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if not ok and err then
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io.stderr:write(err, "\n")
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end
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end
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if fs.exists("/startup") and fs.isDir("/startup") then
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local files = fs.list("/startup/")
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table.sort(files)
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for f=1, #files, 1 do
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local ok, err = pcall(dofile, "/startup/"..files[f])
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if not ok and err then
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io.stderr:write(err, "\n")
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end
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end
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end
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end
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local aliases = {
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background = "bg",
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clr = "clear",
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cp = "copy",
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dir = "list",
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foreground = "fg",
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mv = "move",
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rm = "delete",
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rs = "redstone",
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sh = "shell",
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ps = "threads"
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}
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for k, v in pairs(aliases) do
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shell.setAlias(k, v)
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end
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local completions = "/rc/completions"
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for _, prog in ipairs(fs.list(completions)) do
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dofile(fs.combine(completions, prog))
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end
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local history = {}
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while true do
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term.setTextColor(colors.yellow)
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term.setBackgroundColor(colors.black)
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rc.write(colors.yellow.."$"..shell.dir()..colors.green.." >>> ")
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term.setTextColor(colors.white)
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local text = term.read(nil, history, shell.complete)
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if #text > 0 then
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history[#history+1] = text
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local ok, err = shell.run(text)
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if not ok and err then
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io.stderr:write(err, "\n")
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end
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end
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end |