[gradsusr] Opening a Grb2 File

[Perry, Aaron @ LSC]

Ethan,

You must first tell your bash what g2ctl is and where it is located.

Open up a new terminal and type "gedit .bashrc"

>From there, set an alias for g2ctl (including the absolute path to where it's located in your filesystem)

Then exit out of the terminal and try running g2ctl again and see if it works.


Onward and Upward,

Aaron D. Perry
Boston, MA
Lyndon State College '16
Twitter: @AaronPerryLSC<https://twitter.com/AaronPerryLSC>
Mobile: 617-780-4312
________________________________
From: gradsusr-bounces at gradsusr.org [gradsusr-bounces at gradsusr.org] on behalf of Ethan Sacoransky [ethan.saco at me.com]
Sent: Thursday, January 16, 2014 7:05 PM
To: GrADS Users Forum
Subject: Re: [gradsusr] Opening a Grb2 File

Hey Eric,
Unfortunately, this command is still not working in a basic terminal shell. Here is what I put through: 'g2ctl grib2_gfs_4_20140112_1200_009.grb2 > grib2_gfs_4_20140112_1200_009.ctl' and this is the error I am getting: '-bash: g2ctl: command not found'. Any thoughts on this would be much appreciated.
Thanks,
Ethan
On 2014-01-16, at 6:52 PM, Eric Altshuler wrote:

Hi Ethan,

The g2ctl is a perl script, not a grads command. You have to run it from the shell command line, not inside grads.

Best regards,

Eric L. Altshuler
Research Scientist
Center for Ocean-Land-Atmosphere Studies
253 Research Hall, Mail Stop 6C5
George Mason University
4400 University Drive
Fairfax, VA 22030 USA

E-mail: ela at cola.iges.org<mailto:ela at cola.iges.org>
Phone: (703) 993-5725
Fax: (703) 993-5770


________________________________
From: "Ethan Sacoransky" <ethan.saco at me.com<mailto:ethan.saco at me.com>>
To: "GrADS Users Forum" <gradsusr at gradsusr.org<mailto:gradsusr at gradsusr.org>>
Sent: Thursday, January 16, 2014 6:50:55 PM
Subject: Re: [gradsusr] Opening a Grb2 File

Hi Aaron,
I am attempting to carry out this process by typing in 'g2ctl gfs_4_20140112_1200_009.grb2 > gfs_4_20140112_1200_009.ctl'. I got an error saying 'unknown command: g2ctl'. Any thoughts on this? Thanks so much.

Ethan

On 2014-01-16, at 6:39 PM, Perry, Aaron @ LSC wrote:

> Hi Ethan,
>
> In order to open a grib2 file in GrADS, a control (.ctl) and an index (.idx) file must exist.
>
> To create a .ctl file with g2ctl, use this command in your terminal:
>
> g2ctl grib2_file.grb2 > grib2_file.ctl
>
> Then to create the .idx file with gribmap, use this command:
>
> gribmap -i grib2_file.ctl
>
>
> Onward and Upward,
>
> Aaron D. Perry
> Boston, MA
> Lyndon State College '16
> Twitter: @AaronPerryLSC
> Mobile: 617-780-4312
>
> ________________________________________
> From: gradsusr-bounces at gradsusr.org<mailto:gradsusr-bounces at gradsusr.org> [gradsusr-bounces at gradsusr.org<mailto:gradsusr-bounces at gradsusr.org>] on behalf of Ethan Sacoransky [ethan.saco at me.com<mailto:ethan.saco at me.com>]
> Sent: Thursday, January 16, 2014 6:23 PM
> To: gradsusr at gradsusr.org<mailto:gradsusr at gradsusr.org>
> Subject: [gradsusr] Opening a Grb2 File
>
> Good evening everyone,
>
> In an attempt to open up a grib2 file, I have downloaded and unpacked the wgrib2 tar file and copied the g2ctl script onto a text edit file. When I type in the command 'run g2ctl gfs_4_20140112_1200_009.grb2' I get the prompt, "error opening script file: g2ctl".  Any thoughts on why this would be?
>
> Ethan
>
>
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