cmd/tests: Add tests for FOR /F 'skip' option.

programs/cmd/tests/test_builtins.cmd

@@ -647,6 +647,15 @@ for /f "delims=| " %%i in ("a d|") do echo %%i
 for /f "delims==" %%i in ("C r=d|") do echo %%i
 for /f "delims=" %%i in ("foo bar baz") do echo %%i
 for /f "delims=" %%i in ("c:\foo bar baz\..") do echo %%~fi
+echo ......skip option
+echo a > foo
+echo b >> foo
+echo c >> foo
+for /f "skip=2" %%i in (foo) do echo %%i
+for /f "skip=3" %%i in (foo) do echo %%i > output_file
+if not exist output_file (echo no output) else (del output_file)
+for /f "skip=4" %%i in (foo) do echo %%i > output_file
+if not exist output_file (echo no output) else (del output_file)
 cd ..
 rd /s/q foobar
 

programs/cmd/tests/test_builtins.cmd.exp

@@ -475,6 +475,10 @@ c
 @todo_wine@C r
 @todo_wine@foo bar baz
 @todo_wine@c:\
+......skip option
+@todo_wine@c
+@todo_wine@no output
+@todo_wine@no output
 -----------Testing del /a-----------
 not-r.test not found after delete, good
 r.test found before delete, good