i dunno but, -x is for exe flag and -r for readable, and it never did not work
On Wed, May 12, 2021, 10:32 Boleyn Su <boleyn...@gmail.com> wrote: > Sorry, it is test -x instead of set -x. There are similar results for test > - r file, [ -r file] and so on. > > On Wed, May 12, 2021, 13:34 Boleyn Su <boleyn...@gmail.com> wrote: > > > Please refer to the subject. > > >
