We use:
OPENSEQ FNAME TO FHANDLE ELSE CREATE FHANDLE ELSE STOP
Schalk van Zyl
Al DeWitt wrote:
I GET THE FOLLOWING MESSAGE [FATAL ERROR: - Cannot open file
C:\OUTPUT\APCHECKS1002] and I'm sent to the colon prompt.
Al DeWitt
Schalk van Zyl
GWK Beperk
Tel+2753 298 8231
Fax+2753 298 2445
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.> -----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Dan McGrath
Sent: Wednesday, September 08, 2010 7:20 PM
To: U2 Users List
Subject: Re: [U2] Sequential Files Question
If you run this code:
OPENSEQ FNAME TO OUTFILE ON ERROR
STOP 'FATAL ERROR: - Cannot open file ':FNAME END THEN
STOP 'FATAL ERROR: - Already exiting file called: ':FNAME END ELSE
CRT "FILE OPEN SUCCEEDED!"
WRITESEQ "Dummy data" ON OUTFILE THEN NULL END
What happens?
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Al DeWitt
Sent: Thursday, September 09, 2010 10:03 AM
To: U2 Users List
Subject: Re: [U2] Sequential Files Question
I forgot to mention that I'm on Windows.
My output path is: C:\OUTPUT\
My file name isAPCHECKS9999 where is a counter that gets incremented
each time the program is run.
FNAME would be C:\OUTPUT\APCHECKS9999 so that my statement would read:
OPENSEQ FNAME TO OUTFILE...
However, since APCHECKS9999 would be unique each time it doesn't exist.
BTW when I try to display OUTFILE it gives me an Unitialized Variable,
zero assumed error.
Al DeWitt
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Dan McGrath
Sent: Wednesday, September 08, 2010 6:29 PM
To: U2 Users List
Subject: Re: [U2] Sequential Files Question
Yes, it will.
Note: It will drop into the 'ELSE' clause if the file didn't exist to
start with.
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Al DeWitt
Sent: Thursday, September 09, 2010 8:55 AM
To: [email protected]
Subject: [U2] Sequential Files Question
Unidata 7.1.20
I've never dealt with sequential files, but I have a need to output
records to a text file. Each record will be a series of fixed-length
fields. Each file will need to be created at the time of opening. The
destination will be a Windows folder on one of our servers. I will be
using OPENSEQ to open the file. However, since each file needs to be
created at time of opening what do I use to create the file? My reading
of OPENSEQ doesn't indicate that it will create it automatically if it
doesn't exist.
Thanks.
Al DeWitt
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