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Forum Index : Microcontroller and PC projects : Getting filenames from users?

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Grogster

Admin Group

Joined: 31/12/2012
Location: New Zealand
Posts: 9307
Posted: 05:40pm 03 Mar 2013
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Hi.

I have a line input for the filename, then try to put it into the command, and am getting syntax errors.


line input m$
if m$="" then goto start
open "B:\DATA\";m$;".TXT" for input as #1


The open command fails.

If I enter the command directly in the command prompt like this:

? "B:\DATA\";m$;".TXT"

Then if m$ was ABCD, then the print statement comes out as B:\DATA\ABCD.TXT

Shouldn't that be working?

EDIT: Found something in manual page 4 under expressions - trying it out...

EDIT: Disregard this thread.

added f$ into the mix:

f$="B:\DATA\" + m$ + ".TXT"
open f$ for input as #1

I'm having fun today. Edited by Grogster 2013-03-05
Smoke makes things work. When the smoke gets out, it stops!
 
shoebuckle
Senior Member

Joined: 21/01/2012
Location: Australia
Posts: 189
Posted: 05:54pm 03 Mar 2013
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Grogster,
Replace the semicolons in your Open statement with plus signs. This concatenates the three strings.
Hugh
 
paceman
Guru

Joined: 07/10/2011
Location: Australia
Posts: 1329
Posted: 07:01pm 03 Mar 2013
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Also, for one-line IF statements like the top example, you don't need the "THEN" just a GOTO or GOSUB.

i.e.
if m$="" then goto start.......can be:
if m$="" goto start
Edited by paceman 2013-03-05
 
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