Optmized print_meta_field function

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}"))"
 }

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 $2}}' | tail -n 1 | sed -e 's/^"//' -e 's/"$//'
 }

src/print_present_meta

@@ -15,5 +15,6 @@ print_present_meta() {
     
     if [[ -f ${FILE} ]]; then
          awk 'BEGIN{FS=": ";ORS=";"}{if($1 ~ /comment\[/){print $2}}' <<< $(metaflac --list --block-type=VORBIS_COMMENT "${FILE}") | sed 's|.$||'  
+
     fi
 }