简单批处理文件未执行？

Question

I'm trying to merge txt files in a dir using the following

@echo off
cd /d C:\textfiles\
for %f in (*.txt) do type "%f" >> C:\Users\Desktop\output.txt

But I am not getting any output (because last line I'm pretty sure) , can anyone help me out here?

Also how can I make the output filename automatically append text or date for the date eg output_random.txt or output_19.06.14.txt ?

Edited code (thanks to Stephan) but not appending date:

@echo off
cd /d "C:\TextFiles"
for /f %%i in ('wmic os get localdatetime ^|find "20"') do set dt=%%i
set dt=%dt:~0,8%
for %%f in (*.txt) do type "%%f" >> C:\TextFiles\output-%dt%.txt

Answer 1

Inside batchfiles, you have to use %%f instead of %f , which works on commandline only:

for %%f in (*.txt) do type "%%f" >> C:\Users\Desktop\output.txt

for the "Random or Date" part:

As you say "random or date", I assume, the date don't have to have a specific format. Best way (because independent of locale settings) would be:

for /f %%i in ('wmic os get localdatetime ^|find "20"') do set dt=%%i
set dt=%dt:~0,8%

%dt% will be in the format YYYYMMDD. You can easily add the time with set dt=%dt:~0,14% (YYYYMMDDhhmmss) and output to ...output-%dt%.txt

for formatting %dt% to DD-MM-YYYY:

set dt=%dt:~6,2%-%dt:~4,2%-%dt:~0,4%

Extended Reading - How does the Windows Command Interpreter (CMD.EXE) parse scripts?