- for tn in $(seq 1 $(POST_COUNT tag)); do
- tags="$tags${BR}$(POST tag $tn |sed -r 's;\t;\\t;g; s;\r;;g;')"
- done
- tags="$tags${BR}$(POST newtag |sed -r 's;\t;\\t;g;')"
+ if [ ! "$deltags" ]; then
+ extags="$(printf '%s' "$newtags" |tr , '\n' |grep -e "^-" |cut -d: -f1 )"
+ tags="$(UNSTRING "${tags#tags=}" |tr , '\n' |grep -vwFe "$extags")"
+ if printf %s "$extags" |grep -vq :; then
+ tags="$(printf %s\\n "$tags" |grep -vE '^-[^:]+$')"
+ fi
+ tags="$(printf '%s\n' "${tags},${newtags}" \
+ | tr , '\n' |sort -u |tr '\n' , \
+ | STRING)"
+ else
+ tags="$(UNSTRING "${tags#tags=}" |tr , '\n')"
+ detag="${deltags},"; while [ "$detag" ]; do
+ tags="$(printf '%s\n' "$tags" |grep -vxFe "${detag%%,*}")"
+ detag="${detag#*,}"
+ done
+ tags="$(printf '%s\n' "$tags" |sort -u |tr '\n' , |STRING)"
+ fi
+ tags="${tags#,}"; tags="${tags%,}"
+
+ if LOCK "$meta"; then
+ grep -avF " $fn" "$meta" >"${meta}.tmp"