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# portable:2753 BEGIN { { x = "a2753b"; sub(/[0-9]+/, "Z", x); printf "%s\n", x } printf "%.0f\n", sin(0) + cos(0) + 2 printf "%d\n", index("alphabet", "h") + 2 { delete a2; a2["k"] = 45; printf "%d\n", a2["k"] } }