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shell: handle $((NUM++...) like bash does. Closes 10706

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function                                             old     new   delta
evaluate_string                                      680     729     +49

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-01-28 20:13:33 +01:00
parent 675d24aeaf
commit f19e3c1c6c
9 changed files with 57 additions and 14 deletions
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5
shell/ash_test/ash-arith/arith-postinc.tests Executable file
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@@ -0,0 +1,5 @@
echo 1 $((0++1))
echo 1 $((0--1))
x=-1; echo 1 $((0-$x))
x=+1; echo 1 $((0+$x))
echo Ok:$?