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    Contents of /trunk/mkinitrd-magellan/busybox/shell/hush_test/hush-arith/arith2.sub

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    Revision 984 - (show annotations) (download)
    Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
    File size: 961 byte(s) 
    -updated to busybox-1.16.1 and enabled blkid/uuid support in default config
    1 # bash 3.2 apparently thinks that ++7 is 7 etc
    2 ( echo $(( --7 )) )
    3 ( echo $(( ++7 )) )
    4 ( echo $(( -- 7 )) )
    5 ( echo $(( ++ 7 )) )
    6
    7 #ash# ((++array[0] ))
    8 #ash# echo 1 $array
    9 #ash# (( ++ array[0] ))
    10 #ash# echo 2 $array
    11
    12 #ash# (( ++a ))
    13 #ash# echo 1 $a
    14 #ash# (( ++ a ))
    15 #ash# echo 2 $a
    16
    17 #ash# (( --a ))
    18 #ash# echo 1 $a
    19 #ash# (( -- a ))
    20 #ash# echo 0 $a
    21 a=0
    22
    23 echo 5 $(( 4 + ++a ))
    24 echo 1 $a
    25
    26 # ash doesn't handle it right...
    27 #ash# echo 6 $(( 4+++a ))
    28 #ash# echo 2 $a
    29 a=2
    30
    31 # ash doesn't handle it right...
    32 #ash# echo 3 $(( 4---a ))
    33 #ash# echo 1 $a
    34 a=1
    35
    36 echo 4 $(( 4 - -- a ))
    37 echo 0 $a
    38
    39 #ash# (( -- ))
    40 # bash 3.2 apparently thinks that ---7 is -7
    41 #ash# echo $(( ---7 ))
    42 ( echo $(( -- - 7 )) )
    43
    44 #ash# (( ++ ))
    45 # bash 3.2: 7
    46 #ash# echo 7 $(( ++7 ))
    47 ( echo $(( ++ + 7 )) )
    48
    49 # bash 3.2: -7
    50 #ash# echo -7 $(( ++-7 ))
    51 # bash 3.2: -7
    52 #ash# echo -7 $(( ++ - 7 ))
    53
    54 # bash 3.2: 7
    55 #ash# echo 7 $(( +--7 ))
    56 # bash 3.2: 7
    57 #ash# echo 7 $(( -- + 7 ))

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