some new commands; lfs wip

assets/disk0/tvdos/bin/gzip.js

@@ -1,13 +1,14 @@
 function printUsage() {
-    println(`Usage: gzip [-c] [-d] file
+    println(`Compresses or de-compresses (with -D flag) a file in-place, or to stdout if -C flag is set.
+Usage: gzip [-c] [-d] file
 To compress a file, replacing it with a gzipped compressed version:
        gzip file.ext
 To decompress a file, replacing it with the original uncompressed version:
        gzip -d file.ext.gz
 To compress a file specifying the output filename:
-       gzip -c file.ext > compressed_file.ext.gz
+       gzip -c file.ext | writeto compressed_file.ext.gz
 To decompress a gzipped file specifying the output filename:
-       gzip -c -d file.ext.gz > uncompressed_file.ext`)
+       gzip -c -d file.ext.gz | writeto uncompressed_file.ext`)
 }
 
 if (exec_args[1] === undefined) {

assets/disk0/tvdos/bin/lfs.js

@@ -0,0 +1,21 @@
+function printUsage() {
+    println(`Collects files under a directory into a single archive.
+Usage: lfs [-c/-x/-t] dest.lfs path\\to\\source
+To collect a directory into myarchive.lfs:
+       lfs -c myarchive.lfs path\\to\\directory
+To extract an archive to path\\to\\my\\files:
+       lfs -x myarchive.lfs \\path\\to\\my\\files
+To list the collected files:
+       lfs -t`)
+}
+
+const option = exec_args[1]
+const lfsPath = exec_args[2]
+const dirPath = exec_args[3]
+
+
+if (option === undefined || lfsPath === undefined || option.toUpperCase() != "-T" && dirPath === undefined) {
+    printUsage()
+    return 0
+}
+

assets/disk0/tvdos/bin/tee.js

@@ -0,0 +1,13 @@
+if (exec_args[1] === undefined) {
+    println("Usage: after a pipe,\n       tee filename")
+    return 0
+}
+
+if (!_G.shell.hasPipe()) {
+    println("Pipe not opened")
+    return 1
+}
+
+let txt = _G.shell.getPipe()
+files.open(_G.shell.resolvePathInput(exec_args[1]).full).swrite(txt)
+print(txt)

assets/disk0/tvdos/bin/writeto.js

@@ -0,0 +1,11 @@
+if (exec_args[1] === undefined) {
+    println("Usage: after a pipe,\n       writeto filename")
+    return 0
+}
+
+if (!_G.shell.hasPipe()) {
+    println("Pipe not opened")
+    return 1
+}
+
+files.open(_G.shell.resolvePathInput(exec_args[1]).full).swrite(_G.shell.getPipe())