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shell: Add backquote expansion

db4
Eduardo Cavazos 2008-04-20 17:17:48 -05:00
parent f6ec31ef36
commit 0f30e13295
1 changed files with 15 additions and 2 deletions
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17
extra/shell/shell.factor
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@ -1,7 +1,7 @@
USING: kernel parser words continuations namespaces debugger
sequences combinators prettyprint
system io io.files io.launcher sequences.deep
sequences combinators splitting prettyprint
system io io.files io.launcher io.encodings.utf8 sequences.deep
accessors multi-methods newfx shell.parser ;
IN: shell
@ -44,6 +44,19 @@ METHOD: expand { glob-expr }
METHOD: expand { factor-expr } expr>> eval unparse ;
DEFER: expansion
METHOD: expand { back-quoted-expr }
expr>>
expr
ast>>
command>>
expansion
utf8 <process-stream>
contents
" \n" split
"" remove ;
METHOD: expand { object } ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!