[Mesa-users] ./re functionality for cluster

[Gururaj Wagle]

I have a less sophisticated way of doing it than what Rob has suggested. But it is less complicated. I just run following script that checks if photos directory exists and it is not empty, and runs rn or re with latest photo accordingly. It is not very different than what has already been said, but just wanted to share it in case if someone finds it useful.

  1 #!/bin/bash
  2 
  3 function check_okay {
  4     if [ $? -ne 0 ]
  5     then
  6         exit 1
  7     fi
  8 }
  9 
 10 check_okay
 11 if [ -d photos ] && [ "$(ls -A photos)" ]
 12     then
 13         photo=$(ls -t photos | head -1)
 14         ./re "$photo"
 15     else
 16         ./rn
 17 fi
 18 check_okay


Guru
—
Dr. Gururaj Wagle
Research Associate (Astrophysics)
HBCSE-TIFR, Mumbai

> On 11-Apr-2019, at 1:04 PM, Rob Farmer via Mesa-users <mesa-users at lists.mesastar.org> wrote:
> 
> Hi
> 
> So the ./re script just copies the photo you give it to a file called restart_photo into the current working directory then it calls ./star, while ./rn will remove any restart_photo before calling star. So what you could do is always just call ./star directly (no ./rn or ./re). Then in  your extras_finish_step:
> 
> use star_lib
> if(mod(s%model_number,s%photo_interval)==0) then
>     call star_save_for_restart(s%id,'restart_photo',ierr)
> end if
> 
> This will then write a photo out with the name restart_photo. The first time you run a model with ./star there wont be a restart_photo so it'll act like ./rn. while the second time the restart_photo will exist so calling ./star will act like ./re (without you needing to copy and photos yourself).
> 
> Rob
> 
> 
> 
> On Thu, 11 Apr 2019 at 03:14, amber lauer via Mesa-users <mesa-users at lists.mesastar.org <mailto:mesa-users at lists.mesastar.org>> wrote:
> Great, thanks. Though, for those attempting it in the future I found it easier to just write the restart portion into the batch submission script. At least with the aforementioned many jobs structure.
> 
> On Wed, Apr 10, 2019, 5:16 PM Josiah Schwab <jwschwab at ucsc.edu <mailto:jwschwab at ucsc.edu>> wrote:
> 2)Alter re to copy the newest photo to restart_photo via 
> 
> cp $(ls -t  | head -1) restart_photo
> 
> and comment out everything above it. However, I almost usually find when I want to do things like this that it already exists in some form. So I'm checking with the mailing list.
> 
> I usually do some variant of this.
> 
> Josiah 
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