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- EchoN - Echo command line without going to a new line.
- by D.J. Murdoch, 13 Nov 1987
-
- This handy little program works like ECHO, but doesn't do a new line at the end.
- I use it in batch files to save a directory:
- ECHON cd >\olddir.bat
- CD >>\olddir.bat
- This puts the "cd " into the file olddir.bat in the root directory, then lists
- the current directory into that file on the same line. Executing OLDDIR any
- time after that puts you back into the original directory. Unlike PUSHDIR and
- POPDIR, this lasts after you reboot your computer.
-
- Here's source code, that could be assembled using DEBUG if ECHON.COM is missing:
-
- MOV CL,[0080] ; Put line length into CL
- SUB CX,+01 ; Subtract 1 to get rid of initial blank
- JL 0115 ; Quit if there were no characters
- MOV BX,0001 ; Output to Standard Output...
- MOV DX,0082 ; from command line, starting at the 2nd char...
- MOV AH,40 ; using the write service...
- INT 21 ; do it!
- INT 20 ; quit
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