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Re: set -e is ineffective for subshells

From: Chet Ramey
Subject: Re: set -e is ineffective for subshells
Date: Tue, 16 Oct 2001 08:46:37 -0400

> Machine Type: i686-pc-linux-gnu
> Bash Version: 2.05
> Patch Level: 0
> Release Status: release
> Description:
>         The -e switch does not cause bash to exit when a subshell
>         exits with nonzero status.
> Repeat-By:
>         bash -e '(exit 1); echo still here'

POSIX.2 says that `set -e' causes the shell to exit if a simple
command fails (subject to a few irrelevant conditions).  A subshell
like `(exit 1)' is not a simple command.

``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet)

Chet Ramey, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/

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