23 lines
393 B
Bash
23 lines
393 B
Bash
#!/bin/bash
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# convert integer to IP
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int2ip () {
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local ip dec=("$@")
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for e in {3..0}
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do
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((octet = dec / (256 ** e) ))
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((dec -= octet * 256 ** e))
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ip+=$delim$octet
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delim=.
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done
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printf '%s\n' "$ip"
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unset delim
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}
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# convert IP to integer
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ip2int () {
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local a b c d ip
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ip=("$@")
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IFS=. read -r a b c d <<< "${ip[*]}"
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printf '%d\n' "$((a * 256 ** 3 + b * 256 ** 2 + c * 256 + d))"
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}
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