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