v0.7.0 - Added basic CLI tools: ls, cd, cp, mv, rm, lua

halyde/apps/ls.lua

@@ -0,0 +1,70 @@
+local args = {...}
+local target = args[1]
+args = nil
+local fs = import("filesystem")
+local maxLength = 0
+local margin = 2 -- minimum space between filename and size
+local dirTable = {}
+local fileTable = {}
+
+if target then
+  if target:sub(1, 1) ~= "/" then
+    target = shell.workingDirectory .. target
+  end
+  if target:sub(-1, -1) ~= "/" then
+    target = target .. "/"
+  end
+else
+  target = shell.workingDirectory
+end
+
+local files = fs.list(target)
+
+for _, file in pairs(files) do
+  if file:sub(-1, -1) == "/" then
+    table.insert(dirTable, file)
+    file = file:sub(1, -2)
+  else
+    table.insert(fileTable, file)
+  end
+  if unicode.wlen(file) > maxLength then
+    maxLength = unicode.wlen(file)
+  end
+end
+table.sort(dirTable)
+table.sort(fileTable)
+files = {}
+for _, v in ipairs(dirTable) do
+  table.insert(files, v)
+end
+for _, v in ipairs(fileTable) do
+  table.insert(files, v)
+end
+dirTable, fileTable = nil, nil
+for _, file in ipairs(files) do
+  local dir = false
+  local filetext
+  if file:sub(-1, -1) == "/" then -- i think this is a more efficient way to check if it's a directory
+    dir = true
+    filetext = "\27[93m"..file:sub(1, -2)
+  elseif file:find(".") and file:match("[^.]+$") == "lua" then
+    filetext = "\27[92m"..file
+  end
+  filetext = (filetext or file)..string.rep(" ", maxLength - unicode.wlen(file) + margin)
+  if dir then
+    print(filetext.." \27[0m[DIR]")
+  else
+    local size = fs.size(target .. file)
+    local sizeString
+    if convert(size, "B", "GiB") >= 1 then
+      sizeString = tostring(math.floor(convert(size, "B", "GiB") * 100 + 0.5) / 100).." GiB"
+    elseif convert(size, "B", "MiB") >= 1 then
+      sizeString = tostring(math.floor(convert(size, "B", "MiB") * 100 + 0.5) / 100).." MiB"
+    elseif convert(size, "B", "KiB") >= 1 then
+      sizeString = tostring(math.floor(convert(size, "B", "KiB") * 100 + 0.5) / 100).." KiB"
+    else
+      sizeString = tostring(size).." B"
+    end
+    print(filetext.."\27[0m"..sizeString)
+  end
+end