i'm trying to determine whether POSIX allows for utilizing of variables in simple commands that were defined earlier in the same command ... in other words, whether this snippet: unset A B A="moo" B="$A more" echo $A , $B should display moo twice or just once: moo , moo more moo , more
my reading of the POSIX spec says this is OK, but i'd like to hear more from people who like to read this sort of thing for fun :) http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_09_01 specifically the part where it says that the statement is evaluated from beginning to end of the command text and that each variable assignment should be expanded individually -mike
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