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Don't worry, you got it. Much appreciated.

Actual use case starts at "(>nul copy ..."

Can I suppress the `1 file(s) copied.` output from a single line command that prepending the output from another program?
(" echo demo > new.txt &" is only to create file for the demonstration.)

That is your program either writing to stderr or to the console. E:\bat\NestBat>type stub2.bat @for /l %%a in (1, 1, 3) do Program E:\bat\NestBat>stub2 1>stub2.log E:\bat\NestBat>stub2 1>stub2.log 2>nul E:\bat\NestBat> :D Getting there but this is too complex for a user so the redirect needs to go ...

This is a better test environment. Program runs with one set of input files, it just does the same calculation. Stub1 uses the newly compiled test program. stub.bat @echo off for /l %%a in (1, 1, 5) do Program Screen E:\bat\NestBat>stub> stub.log E:\bat\NestBat>stub1> stub1.log E:\bat\NestBat> stub....

[edit:] The exe is a licenced commercial program. I have compiled a few programs in different languages and run them through the same batch file but they do not cause the blank line after each run. One attached here: [edit end] Program.zip . I see the forum is busy while I sleep and work. * Forget ...

sst wrote: ↑

03 Jun 2018 02:09

XY Problem

How so?

* Batch file used for months supplied, original source even generates sample data
* Program is the same as most other line based executables - windows prompt issues a blank line

This prog.exe will print all these empty lines to your command line. It means the standard output isn't into handle1. No, I think you are wrong. It is a standard exe like any other program. The line comes from the command processor in the shell not the exe. [edit: Tests show the line does come from...

... @echo off @echo off :: Usage: NestBat [File (without extension) [File (without extension)]] > Batling.bat :: :: Ver 15/02/2018 (CC BY-SA 4.0) :: echo Generating ... :: For %%f in (%1*.dat) do ( echo :: echo ::*** %%f echo copy %%f DAT echo copy %%f.dta DTA echo copy %%f.dtt DTT echo :: :: For %...

I process thousands of files in a batch file with prog.exe (which I didn't write) and redirect output from the batch file to a log file. Each time the program is called the command processor prints a blank line to the shell. I found https://superuser.com/a/97308/514126 > set /p x=foo<nul foo > _ Whe...

I am totally lost as to your questions about HASHSUM, errorlevels, and pipes. I don't understand what your concerns are. I don't understand why I can't process all lines in the batch file. My demo UpdateManifest.bat failed: Say this example: C:\Users\User\Code\NestBat>type ..\updatemanifest.bat :: ...

I'm specifically interested in a solution to use in a batch file to verify files being used in the batch file. I realise now hashsum is not a simple batch file. Dave - Can you comment on any problems with calling hashsum from within a batch file and reading the errorlevels? eg: call ..\hashsum /T /A...

If you have a manifest and want to check just one file ... you can use FIND ... Yep, that's the magic one! Can a single entry in the Manifest be inserted or changed leaving the other entries? Not via HASHSUM.BAT ... Happy for you to tidy up these two lines that do most of it: find /v /i "NestBat.ba...

http://www.cool-smileys.com/images/280.gif Very nicely implemented - Well done. C:\Users\User\Code\NestBat>..\hashsum /c hashsum <nestbat.bat ---------- "hashsum" ---------- OK: batling.bat OK: NestBat.bat ========== SUMMARY ========== Total manifests = 1 Matched files = 2 Can the single file be ve...

The Windows CERTUTIL command ... it is not very convenient ... : CERTUTIL delimits hex pairs with spaces, whereas md5sum etc. uses a continuous stream of hex digits. ... Has it changed in Win10? C:\Users\User\Code\NestBat>certutil -hashfile NestBat.bat SHA1 hash of NestBat.bat: fc5650b221ed08b5403c...

Thanks Steffen - the previous failure of %%%% must have been another issue and I missed the %~dpnf - cool!

Any advice on redirecting the output to a file from the command line but forcing messages (eg done.) to the console?