--:Minify:--
local name = syscall.getTask(syscall.getpid()).name
local cloptions = { n = false, f = false, e = false, help = false }
local args = {}

for _, v in ipairs({ ... }) do
    if v:sub(1, 2) == "--" then
        local opt = v:sub(3)
        if cloptions[opt] == nil then
            print(name .. ": unrecognized option '" .. v .. "'")
            syscall.exit(1); return
        end
        cloptions[opt] = true
    elseif v:sub(1, 1) == "-" then
        for i = 2, #v do
            local opt = v:sub(i, i)
            if cloptions[opt] == nil then
                print(name .. ": invalid option '-" .. opt .. "'")
                syscall.exit(1); return
            end
            cloptions[opt] = true
        end
    else
        table.insert(args, v)
    end
end

if cloptions.help then
    print("Usage: " .. name .. " [OPTION]... FILE...")
    print("Print the resolved target of symbolic links.")
    print("")
    print("Options:")
    print("  -f          canonicalize: follow every symlink; last component need not exist")
    print("  -e          like -f but all components must exist")
    print("  -n          do not output trailing newline")
    print("  --help      display this help and exit")
    return
end

if #args == 0 then
    print(name .. ": missing operand")
    print("try '" .. name .. " --help' for more information.")
    syscall.exit(1); return
end

local function absPath(p)
    if p:sub(1,1) ~= "/" then
        local d = syscall.getcwd()
        if d:sub(-1) ~= "/" then d = d .. "/" end
        p = d .. p
    end
    return p
end

local anyErr = false
for _, path in ipairs(args) do
    path = absPath(path)

    if cloptions.f or cloptions.e then
        local ok, stat = pcall(syscall.stat, path)
        if not ok then
            if cloptions.e then
                print(name .. ": " .. path .. ": " .. tostring(stat))
                anyErr = true
            else
                if not cloptions.n then print(path) else printInline(path) end
            end
        else
            if not cloptions.n then print(path) else printInline(path) end
        end
    else
        local ok, target = pcall(syscall.readlink, path)
        if not ok then
            print(name .. ": " .. path .. ": " .. tostring(target))
            anyErr = true
        else
            if not cloptions.n then print(target) else printInline(target) end
        end
    end
end

if anyErr then syscall.exit(1) end