command.js: getFileDir and getFilePath

assets/disk0/tvdos/bin/command.js

@@ -178,6 +178,19 @@ shell.replaceVarCall = function(value) {
 shell.getPwd = function() { return shell_pwd; }
 shell.getPwdString = function() { return "\\" + (shell_pwd.concat([""])).join("\\"); }
 shell.getCurrentDrive = function() { return CURRENT_DRIVE; }
+shell.runningScriptPaths = []
+shell.getFilePath = function() {
+    return shell.runningScriptPaths[shell.runningScriptPaths.length - 1]
+}
+shell.getFileDir = function() {
+    let p = shell.runningScriptPaths[shell.runningScriptPaths.length - 1]
+    if (p === undefined) return undefined
+    let lastSlash = Math.max(p.lastIndexOf('\\'), p.lastIndexOf('/'))
+    if (lastSlash < 0) return p
+    // root of a drive (e.g. "A:\foo.js" -> "A:\")
+    if (lastSlash === 2 && p[1] === ':') return p.substring(0, 3)
+    return p.substring(0, lastSlash)
+}
 // example input: echo "the string" > subdir\test.txt
 shell.parse = function(input) {
     let tokens = []
@@ -787,6 +800,8 @@ shell.execute = function(line, nameOverride) {
                 let programCode = searchFile.sread()
                 let extension = searchFile.extension.toUpperCase()
 
+                shell.runningScriptPaths.push(searchFile.fullPath)
+                try {
                 if ("BAT" == extension) {
                     // parse and run as batch file
                     var lines = programCode.split('\n').filter(function(it) { return it.length > 0 }) // this return is not shell's return!
@@ -879,6 +894,9 @@ shell.execute = function(line, nameOverride) {
                         continue
                     }
                 }
+                } finally {
+                    shell.runningScriptPaths.pop()
+                }
             }
         }
 

assets/disk0/tvdos/bin/hop.alias

@@ -0,0 +1 @@
+hopper $0

assets/disk0/tvdos/bin/hopper.js

@@ -11,7 +11,7 @@ const USER_PACKAGE_INCLUDE_DIR = `${USER_BASE_DIR}/include`
 const MANIFEST_EXT = "hop.per"
 const MIRROR_LIST_PATH = `${SYSTEM_PACKEAGE_DEF_DIR}/mirrors.list`
 
-const net = require("A:/tvdos/include/net.mjs")
+const net = require("net")
 
 // SYNOPSIS
 // hopper {search,se} [--provides, --requires, --description, --author] query