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ash: bash compat: "shift $BIGNUM" is equivalent to "shift 1"
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@ -9665,7 +9665,7 @@ shiftcmd(int argc UNUSED_PARAM, char **argv)
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if (argv[1])
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n = number(argv[1]);
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if (n > shellparam.nparam)
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n = shellparam.nparam;
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n = 0; /* bash compat, was = shellparam.nparam; */
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INT_OFF;
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shellparam.nparam -= n;
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for (ap1 = shellparam.p; --n >= 0; ap1++) {
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9
shell/ash_test/ash-misc/shift1.right
Normal file
9
shell/ash_test/ash-misc/shift1.right
Normal file
@ -0,0 +1,9 @@
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2 3 4
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0: shift: line 1: Illegal number: -1
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1 2 3 4
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2 3 4
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3 4
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4
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1 2 3 4
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1 2 3 4
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10
shell/ash_test/ash-misc/shift1.tests
Executable file
10
shell/ash_test/ash-misc/shift1.tests
Executable file
@ -0,0 +1,10 @@
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$THIS_SH -c 'shift; echo "$@"' 0 1 2 3 4
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#We do abort on -1, but then we abort. bash executes echo.
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$THIS_SH -c 'shift -1; echo "$@"' 0 1 2 3 4
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$THIS_SH -c 'shift 0; echo "$@"' 0 1 2 3 4
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$THIS_SH -c 'shift 1; echo "$@"' 0 1 2 3 4
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$THIS_SH -c 'shift 2; echo "$@"' 0 1 2 3 4
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$THIS_SH -c 'shift 3; echo "$@"' 0 1 2 3 4
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$THIS_SH -c 'shift 4; echo "$@"' 0 1 2 3 4
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$THIS_SH -c 'shift 5; echo "$@"' 0 1 2 3 4
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$THIS_SH -c 'shift 6; echo "$@"' 0 1 2 3 4
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