ref: 51a73e9b3ac7061a9df560f8f4a2484447181fdc
dir: /test/T.delete/
#!/bin/rc
echo T.delete: misc tests of array deletion
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)'