Question about 'test' (Was Re: testing if a file is present)

[Thomas Heller]

In article <1990Nov21.191638.19469 at athena.mit.edu>, jik at athena.mit.edu (Jonathan
I. Kamens) says:
>
>In sh, with either a test built-in named "[" or a link in your filesystem
                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
>called "[" pointing to the test program:
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
But what will the (bourne-) shell say about...
>
>        if [ -r filename ]; then
                          ^
  ... ?

Thomas Heller