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Thanks a lot. The batch file works like a charm. Here it is, for the record:
File: zz.bat
cd /D P:\zz1
for %%f in (*-T.dly) do tail -n 3 %%f > ..\zz2\%%f
http://img188.imageshack.us/img188/6497/11142009181112.png
--- In amibroker@xxxxxxxxxxxxxxx, Robert Chevallier <robert.chevallier@xxx> wrote:
>
> I'll suggest the following simple script :
>
> cd /D P:\zz1
> for %f in (*-T.dly) do tail -n 3 %f > ..\zz2\%f
>
> remember you have to change %f to %%f if you store the script in a .BAT or
> .CMD file
>
> 2009/11/13 lesv99 <ebsn247lsm@xxx>
>
> >
> >
> >
> >
> > Thanks. "Tail.exe" sounds like a good idea but I have problems with
> > outputting data to multiple files. As long as I output data to the command
> > console everything works fine. Below is an example of outputting the last
> > three lines of data from all the files in a folder to the console, with the
> > following command:
> >
> > tail -n 3 P:\zz1\*-T.dly
> >
> > http://img199.imageshack.us/img199/7100/11132009170036.png
> >
> > Outputting data to a single file in another folder works ok too:
> >
> > tail -n 3 < P:\zz1\ZMT-T.dly > P:\zz2\ZMT-T.dly
> >
> > http://img689.imageshack.us/img689/7116/11132009171219.png
> >
> > However, neither of the following two commands would work:
> >
> > tail -n 3 < P:\zz1\*-T.dly > P:\zz2\
> >
> > tail -n 3 < P:\zz1\*-T.dly > P:\zz2\*-T.dly
> >
> > I'm wondering how to "copy" multiple files from one folder to another in
> > such a way that the files in the second folder will only show the specified
> > number of last lines (last two, last three, etc).
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx <amibroker%40yahoogroups.com>, Robert
> > Chevallier <robert.chevallier@> wrote:
> > >
> > > Another way could be to use the "tail" utility in a command line batch
> > (see
> > > for instance http://sourceforge.net/projects/unxutils/)
> > > and use to 1st create files with just the last line (tail -n 1 *
> > > file-alllines* > *file-lastline* )
> > > and use these files for import
> > >
> > > 2009/11/13 lesv99 <ebsn247lsm@>
> >
> > >
> > > >
> > > >
> > > >
> > > >
> > > > If there is no way to do it with ASCii Importer then how about
> > importing
> > > > data using AFL? You would just need a "for" loop like the one below to
> > > > extract the last line in the data array, but I don't have a clue about
> > the
> > > > rest of the code needed for importing data (if it's possible at all), I
> > > > couldn't find any examples in AFL Library:
> > > >
> > > > for( i = BarCount-1; i < BarCount; i++ )
> > > >
> > > > I export data using AFL all the time, here is example (the code is
> > based on
> > > > Graham Kavanagh's code from AFL Library):
> > > >
> > > > http://img44.imageshack.us/img44/7641/11122009212131.png
> > > >
> > > >
> > > > --- In amibroker@xxxxxxxxxxxxxxx <amibroker%40yahoogroups.com><amibroker%
> > 40yahoogroups.com>, "lesv99"
> >
> > > > <ebsn247lsm@> wrote:
> > > > >
> > > > > Is there a way to import only the last line from ASCii data file?
> > > > >
> > > > > This option could be expected in $SKIPLINES command, but I don't see
> > it
> > > > there.
> > > > >
> > > > > The data file format is as follows (file name = ticker symbol):
> > > > >
> > > > > Date,Open,High,Low,Close,Volume,OpenInt
> > > > >
> > > > > 11/09/09, 2.4500, 2.5100, 2.4500, 2.5000, 1137245, 652
> > > > > 11/10/09, 2.5500, 2.7300, 2.5500, 2.6300, 837775, 510
> > > > > 11/11/09, 2.75, 3.49, 2.73, 3.27, 6465800, 489
> > > > > 11/12/09, 3.19, 3.56, 3, 3.16, 4803500, 742
> > > > >
> > > > > Format definition file to import all lines of data looks like this:
> > > > >
> > > > > $FORMAT Date_MDY, Open, High, Low, Close, Volume, OpenInt
> > > > > $SEPARATOR ,
> > > > > $SKIPLINES 2
> > > > > $AUTOADD 1
> > > > > $CONT 1
> > > > > $DEBUG 1
> > > > > $BREAKONERR 1
> > > > >
> > > > > How to import the last line only:
> > > > >
> > > > > 11/12/09, 3.19, 3.56, 3, 3.16, 4803500, 0
> > > >
> > > >
> > > >
> > >
> >
> >
> >
>
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