mirror of
https://github.com/pi-hole/pi-hole
synced 2024-12-22 23:08:07 +00:00
223 lines
6.9 KiB
Bash
223 lines
6.9 KiB
Bash
#!/usr/bin/env bash
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# shellcheck disable=SC1090
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2018 Pi-hole, LLC (https://pi-hole.net)
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# Network-wide ad blocking via your own hardware.
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#
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# Query Domain Lists
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#
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# This file is copyright under the latest version of the EUPL.
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# Please see LICENSE file for your rights under this license.
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# Globals
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piholeDir="/etc/pihole"
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adListsList="$piholeDir/adlists.list"
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wildcardlist="/etc/dnsmasq.d/03-pihole-wildcard.conf"
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options="$*"
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adlist=""
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all=""
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exact=""
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blockpage=""
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matchType="match"
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colfile="/opt/pihole/COL_TABLE"
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source "${colfile}"
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# Scan an array of files for matching strings
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scanList(){
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# Escape full stops
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local domain="${1//./\\.}" lists="${2}" type="${3:-}"
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# Prevent grep from printing file path
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cd "$piholeDir" || exit 1
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# Prevent grep -i matching slowly: http://bit.ly/2xFXtUX
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export LC_CTYPE=C
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# /dev/null forces filename to be printed when only one list has been generated
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# shellcheck disable=SC2086
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case "${type}" in
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"exact" ) grep -i -E -l "(^|\\s)${domain}($|\\s|#)" ${lists} /dev/null 2>/dev/null;;
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"wc" ) grep -i -o -m 1 "/${domain}/" ${lists} 2>/dev/null;;
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* ) grep -i "${domain}" ${lists} /dev/null 2>/dev/null;;
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esac
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}
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if [[ "${options}" == "-h" ]] || [[ "${options}" == "--help" ]]; then
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echo "Usage: pihole -q [option] <domain>
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Example: 'pihole -q -exact domain.com'
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Query the adlists for a specified domain
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Options:
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-adlist Print the name of the block list URL
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-exact Search the block lists for exact domain matches
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-all Return all query matches within a block list
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-h, --help Show this help dialog"
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exit 0
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fi
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if [[ ! -e "$adListsList" ]]; then
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echo -e "${COL_LIGHT_RED}The file $adListsList was not found${COL_NC}"
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exit 1
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fi
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# Handle valid options
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if [[ "${options}" == *"-bp"* ]]; then
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exact="exact"; blockpage=true
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else
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[[ "${options}" == *"-adlist"* ]] && adlist=true
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[[ "${options}" == *"-all"* ]] && all=true
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if [[ "${options}" == *"-exact"* ]]; then
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exact="exact"; matchType="exact ${matchType}"
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fi
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fi
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# Strip valid options, leaving only the domain and invalid options
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# This allows users to place the options before or after the domain
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options=$(sed -E 's/ ?-(bp|adlists?|all|exact) ?//g' <<< "${options}")
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# Handle remaining options
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# If $options contain non ASCII characters, convert to punycode
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case "${options}" in
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"" ) str="No domain specified";;
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*" "* ) str="Unknown query option specified";;
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*[![:ascii:]]* ) domainQuery=$(idn2 "${options}");;
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* ) domainQuery="${options}";;
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esac
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if [[ -n "${str:-}" ]]; then
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echo -e "${str}${COL_NC}\\nTry 'pihole -q --help' for more information."
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exit 1
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fi
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# Scan Whitelist and Blacklist
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lists="whitelist.txt blacklist.txt"
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mapfile -t results <<< "$(scanList "${domainQuery}" "${lists}" "${exact}")"
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if [[ -n "${results[*]}" ]]; then
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wbMatch=true
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# Loop through each result in order to print unique file title once
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for result in "${results[@]}"; do
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fileName="${result%%.*}"
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if [[ -n "${blockpage}" ]]; then
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echo "π ${result}"
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exit 0
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elif [[ -n "${exact}" ]]; then
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echo " ${matchType^} found in ${COL_BOLD}${fileName^}${COL_NC}"
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else
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# Only print filename title once per file
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if [[ ! "${fileName}" == "${fileName_prev:-}" ]]; then
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echo " ${matchType^} found in ${COL_BOLD}${fileName^}${COL_NC}"
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fileName_prev="${fileName}"
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fi
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echo " ${result#*:}"
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fi
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done
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fi
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# Scan Wildcards
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if [[ -e "${wildcardlist}" ]]; then
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# Determine all subdomains, domain and TLDs
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mapfile -t wildcards <<< "$(processWildcards "${domainQuery}")"
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for match in "${wildcards[@]}"; do
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# Search wildcard list for matches
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mapfile -t results <<< "$(scanList "${match}" "${wildcardlist}" "wc")"
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if [[ -n "${results[*]}" ]]; then
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if [[ -z "${wcMatch:-}" ]] && [[ -z "${blockpage}" ]]; then
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wcMatch=true
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echo " ${matchType^} found in ${COL_BOLD}Wildcards${COL_NC}:"
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fi
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case "${blockpage}" in
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true ) echo "π ${wildcardlist##*/}"; exit 0;;
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* ) echo " *.${match}";;
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esac
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fi
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done
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fi
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# Get version sorted *.domains filenames (without dir path)
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lists=("$(cd "$piholeDir" || exit 0; printf "%s\\n" -- *.domains | sort -V)")
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# Query blocklists for occurences of domain
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mapfile -t results <<< "$(scanList "${domainQuery}" "${lists[*]}" "${exact}")"
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# Handle notices
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if [[ -z "${wbMatch:-}" ]] && [[ -z "${wcMatch:-}" ]] && [[ -z "${results[*]}" ]]; then
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echo -e " ${INFO} No ${exact/t/t }results found for ${COL_BOLD}${domainQuery}${COL_NC} within the block lists"
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exit 0
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elif [[ -z "${results[*]}" ]]; then
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# Result found in WL/BL/Wildcards
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exit 0
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elif [[ -z "${all}" ]] && [[ "${#results[*]}" -ge 100 ]]; then
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echo -e " ${INFO} Over 100 ${exact/t/t }results found for ${COL_BOLD}${domainQuery}${COL_NC}
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This can be overridden using the -all option"
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exit 0
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fi
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# Remove unwanted content from non-exact $results
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if [[ -z "${exact}" ]]; then
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# Delete lines starting with #
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# Remove comments after domain
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# Remove hosts format IP address
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mapfile -t results <<< "$(IFS=$'\n'; sed \
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-e "/:#/d" \
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-e "s/[ \\t]#.*//g" \
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-e "s/:.*[ \\t]/:/g" \
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<<< "${results[*]}")"
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# Exit if result was in a comment
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[[ -z "${results[*]}" ]] && exit 0
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fi
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# Get adlist file content as array
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if [[ -n "${adlist}" ]] || [[ -n "${blockpage}" ]]; then
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for adlistUrl in $(< "adListsList"); do
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if [[ "${adlistUrl:0:4}" =~ (http|www.) ]]; then
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adlists+=("${adlistUrl}")
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fi
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done
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fi
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# Print "Exact matches for" title
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if [[ -n "${exact}" ]] && [[ -z "${blockpage}" ]]; then
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plural=""; [[ "${#results[*]}" -gt 1 ]] && plural="es"
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echo " ${matchType^}${plural} for ${COL_BOLD}${domainQuery}${COL_NC} found in:"
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fi
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for result in "${results[@]}"; do
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fileName="${result/:*/}"
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# Determine *.domains URL using filename's number
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if [[ -n "${adlist}" ]] || [[ -n "${blockpage}" ]]; then
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fileNum="${fileName/list./}"; fileNum="${fileNum%%.*}"
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fileName="${adlists[$fileNum]}"
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# Discrepency occurs when adlists has been modified, but Gravity has not been run
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if [[ -z "${fileName}" ]]; then
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fileName="${COL_LIGHT_RED}(no associated adlists URL found)${COL_NC}"
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fi
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fi
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if [[ -n "${blockpage}" ]]; then
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echo "${fileNum} ${fileName}"
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elif [[ -n "${exact}" ]]; then
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echo " ${fileName}"
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else
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if [[ ! "${fileName}" == "${fileName_prev:-}" ]]; then
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count=""
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echo " ${matchType^} found in ${COL_BOLD}${fileName}${COL_NC}:"
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fileName_prev="${fileName}"
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fi
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: $((count++))
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# Print matching domain if $max_count has not been reached
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[[ -z "${all}" ]] && max_count="50"
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if [[ -z "${all}" ]] && [[ "${count}" -ge "${max_count}" ]]; then
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[[ "${count}" -gt "${max_count}" ]] && continue
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echo " ${COL_GRAY}Over ${count} results found, skipping rest of file${COL_NC}"
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else
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echo " ${result#*:}"
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fi
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fi
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done
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exit 0
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