[plug] howto logging result to a log file

[Jon Miller]

Thanks Russell,
That gave me what I needed.

Jon

On Tue, 2003-08-26 at 23:45, Russell Steicke wrote:
> On Tue, Aug 26, 2003 at 10:20:31PM +0800, Jon Miller wrote:
> > In my script the last thing I need to do is create a log file that
> > contains the output of the program plus the date and time of the entry.
> > 
> > Since I have no idea how to create a log file other than using (correct
> > me if I'm wrong) the >> to append to a file, my question is will this
> > add a new entry per line with the date to the left.
> > What I'm thinking is the following:
> > echo `date` mmpf >> /var/log/pstfxst.log 
> > Does this seem correct?
> 
> No.  Try this:
> 
>   date >> logfile
>   mmpf >> logfile
> 
> Or:
> 
>   ( date ; mmpf ) >> logfile
> 
> ...
> > echo `date` mmpf >> /var/log/pstfxst.log
> > #
> > ## End of Script
> > 
> > Problem is the last line only produces the date in the log file.  There
> > should be 2 lines of information in it.
> 
> It will actually put the date followed by the literal string mmpf, which
> is probably not what you want.
> 
> A better idea might to be to put the output of the script into a log
> file right at the start:
> 
>   #!/bin/sh
> 
>   exec >> logfile
>   exec 2>&1
> 
>   ... # lines of script
>       # Any output you produce here will go into logfile
>   date  # including this date.
>   mmpf  # and whatever this outputs
-- 
Jon Miller <jlmiller at mmtnetworks.com.au>
MMT Networks Pty Ltd