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#!/usr/bin/env bash
set -euo pipefail
mapfile inputlines <<<"$(elinks 'https://southsidemanagement.com/search-results/?property_type=&maximum_rent=1000&minimum_bedrooms=1&maximum_bedrooms=&furnished=&department=residential-lettings')"
## Collect links
declare -A links
inlinkssection=0
for ((i=0; i<${#inputlines[@]}; i++)); do
line=$(tr -d $'\n' <<<"${inputlines[$i]}")
if grep '^\s*Visible links$' <<<"$line" >/dev/null; then
inlinkssection=1
elif [[ $inlinkssection -eq 1 ]] && grep '^\s*[0-9][0-9]*\. ' <<<"$line" >/dev/null; then
linknumber=$(sed 's/^\s*\([0-9]*\)\..*/\1/' <<<"$line")
linktext=$(sed 's/[^.]*\. //' <<<"$line")
links[$linknumber]=$linktext
fi
done
## Collect ads
# 0: before search results
# 1: outside
# 2: in ad
state=0
accum=
adlink=
function writeout() {
if [[ $state -eq 2 && -n $accum ]]; then
if [[ -n $adlink ]]; then echo "$accum ($adlink)"; else echo "$accum"; fi
fi
accum=
}
for ((i=0; i<${#inputlines[@]}; i++)); do
line=$(tr -d $'\n' <<<"${inputlines[$i]}")
if [[ $state -eq 0 && $line = *"Search Results"* ]]; then
state=1
elif [[ $state -ge 1 ]] && grep '^\s*•' <<<"$line" >/dev/null; then
[[ $line != *"["* ]] && break
writeout
state=2
linknumber=$(sed 's/^[^[]*\[\([0-9]*\)\].*/\1/' <<<"$line")
accum=$(sed 's/^[^]]*]//' <<<"$line")
elif [[ $state -eq 2 && $line = *REF:* ]]; then
writeout
state=1
elif [[ $state -eq 2 && $line != *"["* && $line != '' ]]; then
accum="$accum; $(sed 's/^\s*//; s/\s*$//' <<<"$line")"
fi
done
writeout
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