Use heredocs instead of multiple calls to echo

There were a lot of places (like in help functions) that used multiple
echo calls instead of heredocs. Personal opinion but this seems cleaner.

advanced/Scripts/blacklist.sh

@@ -11,17 +11,19 @@
 # (at your option) any later version.
 
 helpFunc() {
-	echo "::: Immediately blacklists one or more domains in the hosts file"
-	echo ":::"
-	echo ":::"
-	echo "::: Usage: pihole -b domain1 [domain2 ...]"
-	echo "::: Options:"
-	echo ":::  -d, --delmode			Remove domains from the blacklist"
-	echo ":::  -nr, --noreload			Update blacklist without refreshing dnsmasq"
-	echo ":::  -f, --force				Force updating of the hosts files, even if there are no changes"
-	echo ":::  -q, --quiet				output is less verbose"
-	echo ":::  -h, --help				Show this help dialog"
-	echo ":::  -l, --list				Display your blacklisted domains"
+	cat << EOM
+::: Immediately blacklists one or more domains in the hosts file
+:::
+:::
+::: Usage: pihole -b domain1 [domain2 ...]
+::: Options:
+:::  -d, --delmode			Remove domains from the blacklist
+:::  -nr, --noreload			Update blacklist without refreshing dnsmasq
+:::  -f, --force			Force updating of the hosts files, even if there are no changes
+:::  -q, --quiet			output is less verbose
+:::  -h, --help				Show this help dialog
+:::  -l, --list				Display your blacklisted domains
+EOM
 	exit 1
 }
 

advanced/Scripts/chronometer.sh

@@ -122,15 +122,16 @@ normalChrono() {
 }
 
 displayHelp() {
- 	echo "::: Displays stats about your piHole!"
-    echo ":::"
-    echo "::: Usage: sudo pihole -c [optional:-j]"
-    echo "::: Note: If no option is passed, then stats are displayed on screen, updated every 5 seconds"
-    echo ":::"
-    echo "::: Options:"
-    echo ":::  -j, --json		output stats as JSON formatted string"
-    echo ":::  -h, --help		display this help text"
-
+	cat << EOM
+::: Displays stats about your piHole!
+:::
+::: Usage: sudo pihole -c [optional:-j]
+::: Note: If no option is passed, then stats are displayed on screen, updated every 5 seconds
+:::
+::: Options:
+:::  -j, --json		output stats as JSON formatted string
+:::  -h, --help		display this help text
+EOM
     exit 1
 }
 

advanced/Scripts/piholeDebug.sh

@@ -27,12 +27,14 @@ PIHOLELOG="/var/log/pihole.log"
 WHITELISTMATCHES="/tmp/whitelistmatches.list"
 
 # Header info and introduction
-echo "::: Beginning Pi-hole debug at $(date)!"
-echo "::: This debugging process will collect information from your running configuration,"
-echo "::: and optionally upload the generated log to a unique and random directory on"
-echo "::: Termbin.com. NOTE: All log files auto-delete after 1 month and you are the only"
-echo "::: person who is given the unique URL. Please consider where you post this link."
-echo "::: "
+cat << EOM
+::: Beginning Pi-hole debug at $(date)!
+::: This debugging process will collect information from your running configuration,
+::: and optionally upload the generated log to a unique and random directory on
+::: Termbin.com. NOTE: All log files auto-delete after 1 month and you are the only
+::: person who is given the unique URL. Please consider where you post this link.
+::: 
+EOM
 
 
 ######## FIRST CHECK ########

advanced/Scripts/version.sh

@@ -72,19 +72,21 @@ coreOutput() {
 }
 
 helpFunc() {
-    echo ":::"
-	echo "::: Show Pi-hole/Web Admin versions"
-	echo ":::"
-	echo "::: Usage: pihole -v [ -a | -p ] [ -l | -c ]"
-	echo ":::"
-	echo "::: Options:"
-	echo ":::  -a, --admin          Show both current and latest versions of web admin"
-	echo ":::  -p, --pihole         Show both current and latest versions of Pi-hole core files"
-	echo ":::  -l, --latest         (Only after -a | -p) Return only latest version"
-	echo ":::  -c, --current        (Only after -a | -p) Return only current version"
-	echo ":::  -h, --help           Show this help dialog"
-	echo ":::"
-	exit 0
+	cat << EOM
+:::
+::: Show Pi-hole/Web Admin versions
+:::
+::: Usage: pihole -v [ -a | -p ] [ -l | -c ]
+:::
+::: Options:
+:::  -a, --admin          Show both current and latest versions of web admin
+:::  -p, --pihole         Show both current and latest versions of Pi-hole core files
+:::  -l, --latest         (Only after -a | -p) Return only latest version
+:::  -c, --current        (Only after -a | -p) Return only current version
+:::  -h, --help           Show this help dialog
+:::
+EOM
+	exit 1
 }
 
 if [[ $# = 0 ]]; then

advanced/Scripts/whitelist.sh

@@ -12,17 +12,19 @@
 
 
 helpFunc() {
-	echo "::: Immediately whitelists one or more domains in the hosts file"
-	echo ":::"
-	echo "::: Usage: pihole -w domain1 [domain2 ...]"
-	echo ":::"
-	echo "::: Options:"
-	echo ":::  -d, --delmode			Remove domains from the whitelist"
-	echo ":::  -nr, --noreload			Update Whitelist without refreshing dnsmasq"
-	echo ":::  -f, --force				Force updating of the hosts files, even if there are no changes"
-	echo ":::  -q, --quiet				output is less verbose"
-	echo ":::  -h, --help				Show this help dialog"
-	echo ":::  -l, --list				Display your whitelisted domains"
+	cat << EOM
+::: Immediately whitelists one or more domains in the hosts file
+:::
+::: Usage: pihole -w domain1 [domain2 ...]
+:::
+::: Options:
+:::  -d, --delmode			Remove domains from the whitelist
+:::  -nr, --noreload			Update Whitelist without refreshing dnsmasq
+:::  -f, --force			Force updating of the hosts files, even if there are no changes
+:::  -q, --quiet			output is less verbose
+:::  -h, --help				Show this help dialog
+:::  -l, --list				Display your whitelisted domains
+EOM
 	exit 1
 }
 

gravity.sh

@@ -14,13 +14,15 @@
 echo ":::"
 
 helpFunc() {
-	echo "::: Pull in domains from adlists"
-	echo ":::"
-	echo "::: Usage: pihole -g"
-	echo ":::"
-	echo "::: Options:"
-	echo ":::  -f, --force				Force lists to be downloaded, even if they don't need updating."
-	echo ":::  -h, --help				Show this help dialog"
+	cat << EOM
+::: Pull in domains from adlists
+:::
+::: Usage: pihole -g
+:::
+::: Options:
+:::  -f, --force			Force lists to be downloaded, even if they don't need updating.
+:::  -h, --help				Show this help dialog
+EOM
 	exit 1
 }