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echo T.delete: misc tests of array deletion
awk=${awk-../a.out}
echo '1 2 3 4
1 2 3
1
' >foo0
echo '4 3 0
3 2 0
1 0 0
0 0 0' >foo2
$awk '
{ n = split($0, x)
delete x[1]
n1 = 0; for (i in x) n1++
delete x;
n2 = 0; for (i in x) n2++
print n, n1, n2
}' foo0 >foo1
diff foo1 foo2 || echo 'BAD: T.delete (1)'
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