qse/regress/awk/lang-048.awk

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Awk
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2012-10-18 14:11:59 +00:00
function ip2int(ip) {
ret=0;
n=split(ip,a,".");
for (x=1;x<=n;x++) ret= ((ret << 8) | a[x])
return ret
}
function int2ip(ip, ret,x) {
ret = ip & 255;
ip = ip >> 8;
for(;x<3;x++) {
ret=(ip & 255)"."ret;
ip=ip >> 8;
}
return ret
}
BEGIN {
print int2ip(ip2int("255.255.255.0"));
print int2ip(ip2int("255.0.255.0"));
print int2ip(ip2int("127.0.0.1"));
print int2ip(ip2int("192.168.1.1"));
}