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BEGIN {
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a["red"] = 0xff0000
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a["green"] = 0x00ff00
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a["blue"] = 0x0000ff
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for (i in a) {
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printf "%8s %06x\n", i, a[i]
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}
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# deleting a key/value
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delete a["red"]
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for (i in a) {
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print i
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}
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# check if a key exists
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print ( "red" in a ) # print 0
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print ( "blue" in a ) # print 1
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}
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