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BEGIN {
x = y = "s"
a = (getline x y)
print a, x
a = (getline x + 1)
print a, x
a = (getline x - 2)
print a, x
cmd = "echo A"
a = (cmd | getline x y)
close(cmd)
print a, x
cmd = "echo B"
a = (cmd | getline x + 1)
close(cmd)
print a, x
cmd = "echo C"
a = (cmd | getline x - 2)
close(cmd)
print a, x
cmd = "echo D"
a = cmd | getline x
close(cmd)
print a, x
# Concatenation has higher precedence than IO.
"echo " "date" | getline
print
}
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