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Valid filename
Message
De
09/03/2011 21:11:57
Neil Mc Donald
Cencom Systems P/L
The Sun, Australie
 
 
À
09/03/2011 03:20:50
Dragan Nedeljkovich (En ligne)
Now officially retired
Zrenjanin, Serbia
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Titre:
Divers
Thread ID:
01502980
Message ID:
01503131
Vues:
46
I think the CASE LEN( CHRTRAN( m.lcUpperJustFileName, m.lcValidChars, "" ) ) > 0 catches this.

>>>I have a backup menu dan the client can create his own backup filename.
>
>I think NUL is missing from the list of no-nos.
>
>>This is what we use, is was from Chris Lange I think
>>
>>********************************************************************
>>FUNCTION lValidFileName( tcFileName )
>>********************************************************************
>>  LOCAL lcValidChars, lcUpperJustFileName
>>
>>  m.lcValidChars        = " ^'@{}[],=()+._-!$%&/#~1234567890ABCEDFGHIJKLMONPQRSTUVWXYZ"
>>  m.lcUpperJustFileName = UPPER( JUSTFNAME(m.tcFileName) )
>>
>>    DO CASE
>>	CASE EMPTY( m.lcUpperJustFileName )
>>		RETURN .F.
>>	CASE INLIST( JUSTSTEM(m.lcUpperJustFileName), "AUX", "COM1", "COM2", "COM3", "COM4", "CON", "LPT1", "PRN" ) 
>>		RETURN .F.
>>	CASE LEN( CHRTRAN( m.lcUpperJustFileName, m.lcValidChars, "" ) ) > 0
>>		RETURN .F.
>>	OTHERWISE
>>		RETURN .T.
>>    ENDCASE
>>
>>ENDFUNC 
>>
Regards N Mc Donald
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