The first parameter in Fwrite, Fputs, Fflush and Fclose has to be a file handle from Fopen. It's gnFileHandle in your case .

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>I am doing some fixing of Credit Card Postings in a pcc file. Here is how the file is opened:
>Store FOPEN('a:\NPC1.pcc') TO gnFileHandle && Open the file
>Store FSEEK(gnFileHandle, 0, 2) TO gnEnd && Move pointer to EOF
>Store FSEEK(gnFileHandle, 0) TO gnTop && Move pointer to BOF
>*-- gstring is the contents
>gcString = FGETS(gnFileHandle, gnEnd) && Store contents
>*-- what we started with
>g1=gcString
>
>I find my bits, switch them and then try to FWRITE() but it returns 0, and the changes are not stored.
>
>Here is my closing :
>w=Fwrite('a:\NPC1.pcc', gcString, gnEnd)
>
>fflush('a:\NPC1.pcc')
>fclose('a:\NPC1.pcc')
>
>W will always = 0?
>
>What am i missing?
>
>If I do :
>y=fputs('a:\NPC1.pcc', gcString, gnEnd)
>it give no result = 0
>
>TIA
>__Stephen