Re: How to manipulate shell command output

On Saturday, October 26, 2013 7:28:22 PM UTC-4, toothpik wrote:
> On Sat, Oct 26, 2013 at 06:23:22PM -0500, Tim Chase wrote:
>
> > On 2013-10-26 13:30, AlmostSurely wrote:
>
> > > I've been trying to capture a portion of output from a shell
>
> > > command. Suppose I need the first line of output from,
>
> > >
>
> > > :!g++ --version
>
> > >
>
> > > Is it possible for me to execute the above, storing only the first
>
> > > line of output in a string variable?
>
>
>
> > Depending on the context you want it, you can either read the output
>
> > of the command into the current buffer with
>
>
>
> > :r !g++ --version
>
>
>
> > or you can put it in a variable to be manipulated:
>
>
>
> > :let my_var=system('g++ --version')
>
>
>
> > Note that this will give you the complete output, so you'd have to
>
> > throw away the bits you don't want.
>
>
>
> which would be easy enough to do with head, as
>
>
>
> :let my_var = system('g++ --version | head -1')
>
>
>
> --
>
> _|_ _ __|_|_ ._ o|
>
> |_(_)(_)|_| ||_)||<
>
> |

Nice! Thank you.

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