Czech IP allocations from RIPE NCC

czalloc.sh

#!/bin/bash

allocurl="ftp://ftp.ripe.net/pub/stats/ripencc/membership/alloclist.txt"
#The workdir have to exist and be empty! It's content will be deleted after each run.
workdir="/var/tmp/czalloc"

function alloc2lir() {
        local dstdir="$1"
        local lirfile=""
        while read line; do
                if egrep -q '^cz.' <<<$line; then
                        lirfile="$dstdir/$line";
                elif [[ -n "$lirfile" ]]; then
                        if egrep -q '^de.' <<<$line; then
                                lirfile="";
                                break;
                        else
                                echo $line >> "$lirfile"
                        fi
                fi
        done
}


mkdir "${workdir}.new"
curl -s "$allocurl" | alloc2lir "${workdir}.new"
diff -Nrup "${workdir}" "${workdir}.new"
rm -fR "${workdir}"
mv "${workdir}.new" "${workdir}"