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Command line length 8,192
Message
De
14/07/2014 13:50:05
John Baird
Coatesville, Pennsylvanie, États-Unis
 
 
À
14/07/2014 13:47:50
Mike Yearwood
Toronto, Ontario, Canada
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows Server 2012
Network:
Windows 2008 Server
Database:
MS SQL Server
Application:
Web
Divers
Thread ID:
01603641
Message ID:
01603650
Vues:
77
>>>Hey all
>>>
>>>Is there a caveat missing from the help? I just built a set of command strings like this.
>>>
>>>
CLEAR
>>>CREATE CURSOR csrTest (cField1 c(10))
>>>lcCmd = ""
>>>DO WHILE LENC(m.lcCmd) < 4740
>>>	lcCmd = m.lcCmd + "csrTest.cField1 with csrTest.cField1,"
>>>ENDDO
>>>?LENC(m.lcCmd)
>>>lcCmd = LEFTC(m.lcCmd,LENC(m.lcCmd)-1)
>>>replace &lcCmd. IN csrTest
>>>
>>>The number 4740 is differing based on the actual alias and field names. The help says 8192 is the command line length. Obviously that's not completely accurate. What is the maximum length? How can one determine the maximum length before executing?
>>>
>>>Thanks
>>
>>
>>
>>lc_command = "WAIT WINDOW NOWAIT "
>>DO WHILE .T.
>>  lc_command = lc_command + "1"
>>  &lc_command
>>  ? LEN(lc_command)
>>ENDDO
>>
>>With VFP 9 the last length displayed before this crashed was 8190
>
>Hi Bill
>
>That is not a scientific proof. That only proves that in certain circumstances the line length is 8192. My question was why it is not 8192 in the sample I gave.
>
>Thanks


SWAG: Is it double byte?
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