Re: export loses error

[Léa Gris]

Le 09/02/2021 à 01:05, Lawrence Velázquez écrivait :
> > On Feb 8, 2021, at 5:29 PM, gregrwm <rhn-users@greatlakedata.com> wrote:
> >
> >   $ export vim=$HOME/.GVim-v8.2.2451.glibc2.15-x86_64.AppImage
> >   $
> >   $ vimV=$($vim --version)||echo handle error here              #without
> > export, error is captured
> > fuse: failed to exec fusermount: No such file or directory
> > open dir error: No such file or directory
> > handle error here
> >   $
> >   $ export vimV=$($vim --version)||echo handle error here       #with
> > export, error is lost
> > fuse: failed to exec fusermount: No such file or directory
> > open dir error: No such file or directory
> >   $
>
> Not a bug. Kind of annoying, sure, but not a bug.
>
> https://mywiki.wooledge.org/BashPitfalls#local_var.3D.24.28cmd.29
>
> vq

Or this https://github.com/koalaman/shellcheck/wiki/SC2155

Nice helping shell linter would have warned of this pitfall.



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Léa Gris