On Tue, 16 Mar 2021, 9:37 am Sharan Guhan, <shara...@gmail.com> wrote:
> Hi Experts,
>
> I am relatively new to GOLANG and trying a simple program as below which
> is failing in fetching the output of a file, which works otherwise on the
> command prompt:
>
> Lang : GOLANG
> OS : Linux/Centos
> Problem : Using exec.command to get the output of a certain file
> Error: Getting no such file or directory error:
>
> command = fmt.Sprintf("cat /sys/bus/pci/devices/%s.0/numa_node",
> name)
>
> *2021/03/15 11:55:59 fork/exec cat
> /sys/bus/pci/devices/0000:19:00.0/numa_node: no such file or directory*
> *exit status 1*
>
> However, the same executed on linux prompt works from the same working
> directory as the code :
> *[root-v05 ~]# cat /sys/bus/pci/devices/0000:19:00.0/numa_node*
> *0*
> [root-v05 ~]#
>
>
> Please suggest what I may be missing.
>
The exec.Command() expects the arguments to be passed separately. The
problem you are having here is that it is thinking your entire command
along with the arguments is assumed to be the command to execute.
I would have a look at the documentation for exec.Command
> Sharan
>
>
>
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