thanks for the reply. I simply removed the fmultijob option and everything works ok now. This option was not necessary. Thanks. Greg Fudala. Circuit City Stores Greg [log in to unmask] On Sun, 7 Sep 1997 23:20:01 -0400, John Korb <[log in to unmask]> wrote: >Opening a file in GMULTI mode means that ALL accessors of the file SHARE >ONE FILE POINTER. Thus, locking is very important, as is making sure that >you position the file pointer before reading or writing. A customer of >mine (US Navy) uses GMULTI quite a bit, particularly when "sharing" data >structures between multiple jobs/sessions. > >When accessing files in GMULTI mode, always: > > 1) enclose your file operations within FLOCK, FUNLOCK > 2) use FPOINT and then FREAD or FWRITE, or use FREADDIR, FWRITEDIR > 3) assume that the file pointer is somewhere other than where you want it > >GMULTI has some really neat applications, if you are careful. It also has >some really odd behavior at times. > >John > >At 03:25 PM 97/09/05 GMT, GF wrote: >>We have this program FINDSTR (a great program btw ... get it from the >>CSL) which searches for strings in a file. Well this one file would >>return an error: >> >>FINDSTR DOUT.WORKDB ~V LOG >> >>Dynamic LOCKING was specified on a previous OPEN of this file, and >>dynamic >>LOCKING was not specified on this call to HPFOPEN. (FILE OPEN ERROR >>-430) >>File System message 430 >> >>So I went in to the source and added code to open the file with the >>dynamic locking option set on and multijob access on. The Fopen now >>returns success. >> >>However, the FREAD is then failing on this file. It's returning: >> >>END OF FILE (FSERR 0) >> >>Why?? So after some experimentation I determined if I add an FPOINT >>before each FREAD (FPOINT to rec 1,2,3 ....) then the FREAD succeeds. >> >>So why for files of this type do you have to FPOINT to each record >>before the FREAD? Anyone know? Is there a "correct" way to get this to >>work? >> >>Thanks. Greg Fudala. Circuit City Stores >>Greg [log in to unmask] >> >> >-------------------------------------------------------------- >John Korb email: [log in to unmask] >Innovative Software Solutions, Inc. > >The thoughts, comments, and opinions expressed herein are mine >and do not reflect those of my employer(s), or anyone else.