64254a667a
This seems more useful and will likely be in the next POSIX standard. Also document more precisely in the man page what set -u does (note that $@, $* and $! are the only special parameters that can ever be unset, all the others are always set, although they may be empty). |
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ifs1.0 | ||
question1.0 | ||
set-u1.0 | ||
set-u2.0 |