[gmx-users] How to use "echo" to output index file with only one command line?

[Pedro Deira]

You need to include the newlines in your echo to get the result you want.

Cheers


On Sun, 10 Feb 2019, 22:38 ZHANG Cheng <272699575 at qq.com wrote:

> I can successfully output the index file by doing it step by step:
>
>
> $ gmx make_ndx -f equilibration.gro
> $ r 1-442
> $ q
>
>
> But I am not sure how to do it in just one line.
>
>
> I tried these but all could not work
>
>
> $ echo r 1-442 q | gmx make_ndx -f equilibration.gro
> $ echo "r 1-442" q | gmx make_ndx -f equilibration.gro
> $ echo "r 1-442" "q" | gmx make_ndx -f equilibration.gro
>
>
> Thank you!
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