Should shell command errors abandon subsequent commands?

[Don Stanwyck]

Response to letter From: idallen at watmath.UUCP
> Consider the following set of shell (any shell) commands and give me
> your opinion on what the best, ideal, most friendly behaviour would be:
>    1.  nosuchcommand ; echo "Is this executed?"
>    2.  ( nosuchcommand ; cmd ) ; echo "Is this executed?"
>    3.  echo `nosuchcommand` "Is this executed?"
>    4.  cmd nosuchglob* ; echo "Is this executed?"
> Tell me what you think should ideally happen A) in interactive use at a
> terminald and B) inside a shell file.  Does it make any difference
> whether or not the commands are shell built-ins?  In a shell file,
> would it make any difference if the commands were on separate lines?

Obviously the author of the above lines expects the echo to be executed.
If [s]he didn't, [s]he would have used || or && instead of the ;. 
-- 
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 (      )					Don Stanwyck
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