[Linux-disciples] write to file from shell script

[Jamie Forrest]

Stops execution, as opposed to what?

Jamie

On Wed, Nov 16, 2011 at 9:39 PM, Dylan Thurston <dpt at math.cornell.edu> wrote:
> Steve, I think you're confusing 'exec' with 'eval'.  'eval' does what
> you say; 'exec' stops execution of the current program and switches to
> the new one.  I think it would be harmless here, and would save a
> small amount of memory.
>
> --Dylan
>
> On Tue, Nov 15, 2011 at 10:18:12PM -0500, Stephen R Laniel wrote:
>> Huh. Running 'exec' is basically never the right idea. That's what you run, if I'm not mistaken, when you construct a string using some long combination of things -- I don't know, grep, sed, whatever -- and then need the shell to interpret the string you've just constructed as a command. It wouldn't apply here.
>>
>> I mean, all you're doing here is
>>
>> 1. running a command
>> 2. dumping the output of that command to a file
>>
>> , right? No need for exec here. So what happens if you drop the exec?
>>
>> Also, stick an
>>
>> echo $logfile
>>
>> between the 'logfile' line and the 'gondor' line.
>>
>> On Nov 15, 2011, at 10:15 PM, Jamie Forrest wrote:
>>
>> > I seem to have solved it as follows:
>> >
>> > #!/bin/bash
>> >
>> > logfile=/Users/jforrest/Projects/django-cnsltme/cnsltme/backup/`date
>> > +%F`_dump.sql
>> > exec gondor sqldump primary > $logfile
>> >
>> > Is it correct?
>> >
>> >
>> > On Tue, Nov 15, 2011 at 10:08 PM, Adam Rosi-Kessel <adam at rosi-kessel.org> wrote:
>> >> On 11/15/2011 10:01 PM, Jamie Forrest wrote:
>> >>>
>> >>> I'm running it from a subdirectory in my home dir. I tried changing it
>> >>> to a full path and still no dice. And yes the output from gondor
>> >>> sqldump goes to screen normally.
>> >>
>> >> Add 2>&1 ?
>> >>
>> >
>> >
>> >
>> > --
>> > http://about.me/jamieforrest
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>> >
>>
>> --
>> Stephen R. Laniel
>> steve at stevereads.com
>> Cell: +(617) 308-5571
>> http://stevereads.com/
>> PGP key: http://stevereads.com/slaniel.key
>>
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