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hush: update bash compat todo comment

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Denys Vlasenko 2010-05-17 18:56:58 +02:00
parent 82731b4b7a
commit adc0e20892
1 changed files with 10 additions and 7 deletions
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17
shell/hush.c
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@ -39,21 +39,24 @@
* *
* POSIX syntax not implemented: * POSIX syntax not implemented:
* aliases * aliases
* <(list) and >(list) Process Substitution
* Tilde Expansion * Tilde Expansion
* *
* Bash stuff (optionally enabled): * Bash compat TODO:
* &> and >& redirection of stdout+stderr * redirection of stdout+stderr: &> and >&
* Brace Expansion * brace expansion: one/{two,three,four}
* reserved words: [[ ]] function select * reserved words: function select
* substrings ${var:1:5} * advanced test: [[ ]]
* substrings: ${var:1:5}
* process substitution: <(list) and >(list)
* =~: regex operator
* let EXPR [EXPR...] * let EXPR [EXPR...]
* Each EXPR is an arithmetic expression (ARITHMETIC EVALUATION) * Each EXPR is an arithmetic expression (ARITHMETIC EVALUATION)
* If the last arg evaluates to 0, let returns 1; 0 otherwise. * If the last arg evaluates to 0, let returns 1; 0 otherwise.
* NB: let `echo 'a=a + 1'` - error (IOW: multi-word expansion is used) * NB: let `echo 'a=a + 1'` - error (IOW: multi-word expansion is used)
* ((EXPR)) * ((EXPR))
* The EXPR is evaluated according to ARITHMETIC EVALUATION. * The EXPR is evaluated according to ARITHMETIC EVALUATION.
* This is exactly equivalent to let "expression". * This is exactly equivalent to let "EXPR".
* $[EXPR]: synonym for $((EXPR))
* *
* TODOs: * TODOs:
* grep for "TODO" and fix (some of them are easy) * grep for "TODO" and fix (some of them are easy)