Top "Dos" questions

How can I use findstr with newline regular expression

I'm on windows dos prompt. I have log file which contains log like: Timestamp: Order received for Item No. 26551 Timestamp: …

windows regex dos findstr

Do MS-DOS built-in commands return an error\exit code?

I have not found a way to get the error code, if returned, of rmdir. It seems like the MS-DOS …

batch-file dos windows-scripting

Recursively copy files that match a wildcard combination but not create the directory tree in DOS

I found that I can use xcopy /s to copy all files that match a wildcard combination in a folder …

recursion copy dos xcopy

Passing a multi-line string as an argument to a script in Windows

I have a simple python script like so: import sys lines = sys.argv[1] for line in lines.splitlines(): print line …

python windows string dos batch-file

multiplying two two digit numbers with both the numbers taken as input and result is also to be printed in Tasm

i am not understanding as to what can be done in this case single digit multiplication was possible using the …

assembly x86 dos bcd

Parallel copy using xcopy

I need to copy multiple directories from one location to other. So, there are going to be multiple xcopy statements, …

batch-file command dos xcopy

How does DOS load a program into memory?

What steps does MS-DOS take to load a COM or EXE file into memory? Are there still references online as …

executable dos

compiling a program to run in DOS mode

I write a simple program, to run in DOS mode. Everything works under emulated console in Win XP / Vista / Seven, …

c++ dos

Persisting an environment variable through Ruby

I am trying to set my DOS environment variable in Ruby, and have it persist after the script exits. For …

windows ruby environment-variables dos

Assembler can't locate existing files

My TASM is mounted to the folder where my my TASM, TLINK, and files are. Specifically it is at C:/…

assembly x86 dos tasm dosbox