Am 12.12.2010 13:38, schrieb Daniel Colascione: > On 12/12/10 4:34 AM, Matthias Andree wrote: >>> [ -f file ] && echo is >> you cannot run scripts containing this >> under a "set -e" regime. > > Yes you can. > > `-e' > Exit immediately if a simple command (*note Simple > Commands::) exits with a non-zero status, unless the command > that fails is part of the command list immediately following > a `while' or `until' keyword, part of the test in an `if' > statement, part of a `&&' or `||' list, or if the command's > ^^^^^^^^^^^^^^^^^^^^^^^^^^^ > return status is being inverted using `!'. A trap on `ERR', > if set, is executed before the shell exits. >
Yes, in theory. In practice, I've seen too many shells goof this up. The robust way to write the above under set -e is if [ -f file ] ; then echo is ; fi -- Matthias Andree -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
