From 35f92513dd542b541fb3c956a98016db0ead3569 Mon Sep 17 00:00:00 2001
From: ayakael <antoine.martin@protonmail.com>
Date: Wed, 28 Mar 2018 11:07:17 -0400
Subject: [PATCH] Optmized print_meta_field function

---
 src/print_future_meta  | 10 +---------
 src/print_meta_field   |  2 +-
 src/print_present_meta |  3 ++-
 3 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/src/print_future_meta b/src/print_future_meta
index 63299af..756ff91 100644
--- a/src/print_future_meta
+++ b/src/print_future_meta
@@ -19,15 +19,7 @@ print_future_meta() {
     local tagList=($(awk 'BEGIN{RS="\",*\n * \"";FS="\" : \""}{if($1!~"@"){print $1}}' ${MTAG} | awk '!seen[$0]++'))
 
     for tag in ${tagList[@]}; do
-        local COUNT=1
-        while [[ ${COUNT} -le ${TRACKNUMBER} ]]; do
-            local PRTVAR=$(print_meta_field ${MTAG} ${COUNT} ${tag})
-            [[ ! -z ${PRTVAR} ]] && local CURVAR=${PRTVAR}
-            local COUNT=$(( ${COUNT} + 1 ))
-        done
-        echo -n "${tag}=${CURVAR};"
-        unset CURVAR
-        unset PRTVAR
+        echo -n "${tag}=$(print_meta_field ${MTAG} ${TRACKNUMBER} ${tag});"
     done
     echo -n "IMAGEID=$(sed 's|.tags||g' <<< $(basename "${MTAG}"))"
 }
diff --git a/src/print_meta_field b/src/print_meta_field
index 8dea73c..e5fdc4d 100644
--- a/src/print_meta_field
+++ b/src/print_meta_field
@@ -16,5 +16,5 @@ print_meta_field() {
     local TRACK_NO="${2}"
     local FIELD="${3}"
 
-    awk -v track="${TRACK_NO}" 'BEGIN {RS="\"\n * }"}{if(NR==track){print $0}}' ${FILE} |   awk -v field="${FIELD}" 'BEGIN{RS="\",*\n * \"";FS="\" : \""}{if($1==field){print $2}}'
+     awk -v track=${TRACK_NO} 'BEGIN {RS="\n * }"}{if(NR<=track){print $0}}' ${FILE} |  awk -v field="\"${FIELD}\"" 'BEGIN{RS="[,]?\n";FS=" : "}{if($1~field){print $2}}' | tail -n 1 | sed -e 's/^"//' -e 's/"$//'
 }
diff --git a/src/print_present_meta b/src/print_present_meta
index 7e67a91..ad7222b 100644
--- a/src/print_present_meta
+++ b/src/print_present_meta
@@ -14,6 +14,7 @@ print_present_meta() {
     local FILE="${1}"
     
     if [[ -f ${FILE} ]]; then
-         awk 'BEGIN{FS=": ";ORS=";"}{if($1 ~ /comment\[/){print $2}}' <<< $(metaflac --list --block-type=VORBIS_COMMENT "${FILE}") | sed 's|.$||'
+         awk 'BEGIN{FS=": ";ORS=";"}{if($1 ~ /comment\[/){print $2}}' <<< $(metaflac --list --block-type=VORBIS_COMMENT "${FILE}") | sed 's|.$||'  
+
     fi
 }