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November 14, 2018 16:28
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Convert between network byte ordered decimal number and dot-delimited string in AWK
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| #!/usr/bin/awk -f | |
| BEGIN { | |
| dec = ARGV[1] | |
| for (e = 3; e >= 0; e--) { | |
| octet = int(dec / (256 ^ e)) | |
| dec -= octet * 256 ^ e | |
| ip = octet delim ip | |
| delim = "." | |
| } | |
| printf("%s\n", ip) | |
| } | |
| ################################ | |
| #!/usr/bin/awk -f | |
| BEGIN { | |
| ip = ARGV[1] | |
| split(ip, octets, ".") | |
| for (i = 1; i <= 4; i++) { | |
| dec += octets[i] * 256 ** (4 - i) | |
| } | |
| printf("%i\n", dec) | |
| } |
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