1 files changed, 56 insertions, 0 deletions
diff --git a/scripts/makeequiv.sh b/scripts/makeequiv.sh
new file mode 100755
index 0000000..1be3e80
--- /dev/null
+++ b/scripts/makeequiv.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+equiv_file="eepg.equiv"
+
+usage() {
+	echo
+	[[ "$@" ]] && echo -e "ABORTED! $@\n"
+	echo -e "usage: ${0##*/} [channels.conf] [listsources|source to map epg from] <matchname>"
+	echo -e "       * the 3rd argument is optional. if its \"matchname\", channel name matching is required for a positive match.\n"
+	exit
+}
+
+getsources() { awk -F: '{print $4}' "$1" |sort -V |uniq; }
+listsources() { getsources "$1"; exit; }
+
+(($# < 2)) && usage
+[[ -e "$1" ]] || usage "$1 not found"
+[[ "$2" == "listsources" ]] && listsources "$1"
+[[ $(getsources "$1" |grep "$2$") ]] || usage "$2 is not a source in $1"
+[[ "$3" == "matchname" ]] && match_name=1 || match_name=0
+[[ -e "$equiv_file" ]] && rm "$equiv_file"
+echo
+tput sc
+OLDIFS=$IFS; IFS=$'\n'
+for i in $(awk -F: -v var="$2" '$4==var' "$1"); do
+	matched=0
+	mapto_name=" ${i%%:*}"
+	mapto_sid=$(awk -F: '{print $10}' <<<"$i")
+	mapto_line=$(awk -F: '{print $4"-"$11"-"$12"-"$10"-"$13}' <<<"$i")
+	mapto_source=$(awk -F: '{print $4}' <<<"$i")
+	for j in $(awk -F: -v var1="$2" -v var2="$mapto_sid" '$4!=var1 && $10==var2' "$1"); do
+		mapfrom_source=$(awk -F: '{print $4}' <<<"$j")
+		mapfrom_line=$(awk -F: '{print $4"-"$11"-"$12"-"$10"-"$13}' <<<"$j")
+		matched=1
+		(($match_name)) && {
+			[[ " ${j%%:*}" == "$mapto_name" ]] || matched=0
+		} || unset mapto_name
+	done
+	(($matched)) && {
+		((matchcount++))
+		outline="$mapfrom_line $mapto_line$mapto_name"
+		echo "$outline" >>"$equiv_file"
+	} || {
+		((unmatchcount++))
+		array+=( "$i" )
+		unset outline
+	}
+	tput rc
+	tput el
+	echo "$outline"
+	echo -n "matched: $matchcount  -  unmatched: $unmatchcount"
+done
+IFS=$OLDIFS
+echo -e "\n"
+((${#array[@]} > 0)) && for i in "${array[@]}"; do echo "NO MATCH: $i"; done
+echo "wrote $equiv_file ($matchcount entries)."