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hush: add a list of unsupported builtins

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Denys Vlasenko 2010-05-21 15:35:44 +02:00
parent 73e013fca7
commit 214b8ca3dc
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shell/hush.c
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@ -61,6 +61,8 @@
* grep for "TODO" and fix (some of them are easy) * grep for "TODO" and fix (some of them are easy)
* special variables (done: PWD, PPID, RANDOM) * special variables (done: PWD, PPID, RANDOM)
* follow IFS rules more precisely, including update semantics * follow IFS rules more precisely, including update semantics
* builtins mandated by standards we don't support:
* [un]alias, command, fc, getopts, newgrp, readonly, times
* export builtin should be special, its arguments are assignments * export builtin should be special, its arguments are assignments
* and therefore expansion of them should be "one-word" expansion: * and therefore expansion of them should be "one-word" expansion:
* $ export i=`echo 'a b'` # export has one arg: "i=a b" * $ export i=`echo 'a b'` # export has one arg: "i=a b"