meta_name() {
local fn
- fn="$1"
- fn="${fn##*/}"
- fn="${fn%.*}"
- STRING "$fn"
- printf '\r'
+ fn="$1"; fn="${fn##*/}"; fn="${fn%.*}"
+ STRING "$fn"; printf '\r'
}
meta_line() {
meta_info(){
local file meta
- file="$1"
- meta="${file%/*}/.index/meta"
+ file="$1"; meta="${file%/*}/.index/meta"
if [ -d "${meta%/meta}" ]; then
grep -aF " $(meta_name "$file")" "$meta" \
- | grep -m1 -xE '[0-9]+ [0-9]+ [0-9]+ tags=[^ ]* comment=[^ ]* .+' \
+ | grep -m1 -axE '[0-9]+ [0-9]+ [0-9]+ tags=[^ ]* comment=[^ ]* .+' \
|| meta_file "$file"
else
- printf '0\t0\t0\ttags=\tcomment=\t\r'
+ printf '0\t0\t0\ttags=\tcomment=\t%s\r' "$(meta_name "$file")"
fi
}
if [ -d "$dir/.index" -a \! -f "$meta" ] && LOCK "$meta"; then
touch "$meta" # preliminary touch to prevent concurrent generators
find "$dir" -type f -mindepth 1 -maxdepth 1 \
- | grep -E "$file_pattern" \
- | while v="$(line)"; do
+ | grep -aE "$file_pattern" \
+ | while read -r v; do
meta_line "$v"
done >"$meta"
RELEASE "$meta"
elif [ -d "$dir/.index" -a "$dir" -nt "$meta" ] && LOCK "$meta"; then
- touch "$meta"
- find "$dir" -type f -mindepth 1 -maxdepth 1 \
- | grep -E "$file_pattern" \
- | while v="$(line)"; do
- if [ "$v" -nt "$meta" ]; then
- grep -qF " $(meta_name "$v")" "$meta" \
- || meta_line "$v"
- fi
+ cp -p "$meta" "$meta.ref"; touch "$meta"
+ find "$dir" -type f -newer "$meta.ref" \
+ -mindepth 1 -maxdepth 1 \
+ | grep -aE "$file_pattern" \
+ | while read -r v; do
+ grep -qF " $(meta_name "$v")" "$meta" \
+ || meta_line "$v"
done >>"$meta"
+ rm "$meta.ref"
RELEASE "$meta"
fi