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TODO: update

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(cherry picked from commit 1e6bf87c2c435799034c9d87236939ab8bd61fb9)
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Martijn Dekker 2020-06-10 00:06:24 +02:00
parent a1f46d785f
commit 12a079ea2b
1 changed files with 34 additions and 4 deletions
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TODO
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@ -3,18 +3,48 @@ TODO for AT&T ksh93, 93u+m bugfix branch
______ ______
Fix regression test failures: Fix regression test failures:
- On FreeBSD, there is a test failure in [[ -N file ]] in bracket.sh.
- On OpenBSD, there are 15 locale-related test failures in variables.sh. - On OpenBSD, there are 15 locale-related test failures in variables.sh.
______ ______
Fix build failures: Fix build failures:
- ksh does not currently build on AIX, HP-UX, Solaris, or QNX. - ksh does not currently build on NetBSD, AIX, HP-UX, Solaris, or QNX.
______ ______
Fix or remove broken default aliases: Fix or remove broken or misguided default aliases:
- Remove pointless default aliases 'fc' and 'type'; these are already - Make a proper POSIX 'hash' builtin command and remove the builtin alias
implemented as normal shell builtins. Add man page entries for these. hash='alias -t --', which, when removed, exposes a b0rken 'hash' builtin.
To work with this alias, the 'alias' builtin parses the '-r' for 'hash'
*after* '--' ('alias -t -- -r'), which is utterly bogus and violates POSIX.
- Make a proper builtin out of the redirect='command exec' alias. It should
really only parse redirections. Currently, if an unwitting user notices this
alias and tries out something like 'redirect ls >file', it does 'exec ls
>file', so 'ls' replaces their shell and they get logged out. That is so
misdesigned I'm calling it a bug.
Alternatively, maybe just get rid? Who uses this anyway? 'redirect >&2'
takes four more keystrokes to type than 'exec >&2'.
- Make proper builtins out of the following scripting-related aliases, so
that 'unalias -a' does not eliminate them. If done correctly, this causes
no other change in behaviour. It would be good practice to 'unalias -a' in
a script to start with a clean slate, except ksh has always made that
impossible without losing these. Default aliases should be to facilitate
interactive use.
- autoload='typeset -fu'
- compound='typeset -C'
- float='typeset -lE'
- functions='typeset -f'
- integer='typeset -li'
- nameref='typeset -n'
- source='command .'
Keep these default aliases for the benefit of interactive shells:
+ history='hist -l'
+ r='hist -s'
+ stop='kill -s STOP'
+ suspend='kill -s STOP $$'
______ ______
Fix currently known bugs affecting shell scripting. These are identified by Fix currently known bugs affecting shell scripting. These are identified by