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hush: fix EXIT trap recursion case; check redirection failures

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function                                             old     new   delta                          
run_pipe                                            1299    1328     +29                          
hush_exit                                             90     102     +12                          
hush_main                                           1172    1179      +7                          
run_list                                            1226    1225      -1                          
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(add/remove: 0/0 grow/shrink: 3/1 up/down: 48/-1)              Total: 47 bytes
This commit is contained in:
Denis Vlasenko
2009-04-09 13:43:11 +00:00
parent f81e8dbc74
commit efea9d2819
5 changed files with 74 additions and 30 deletions
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9
shell/hush_test/hush-misc/redir3.tests Executable file
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@@ -0,0 +1,9 @@
echo Error >/does/not/exist; echo One:$?
t=BAD
t=Ok >>/cant/be/created; echo One:$?
echo $t
! >/cant/be/created; echo Zero:$?
exec >/cant/be/created; echo One:$?
exec /bin/true >/cant/be/created; echo One:$?
! exec /bin/true >/cant/be/created; echo Zero:$?
echo Done