improved meta generation code

[serve0] / multitag.sh

diff --git a/multitag.sh b/multitag.sh
index 43484e63fb9e28698f15258ca4a841992ddf9427..0a8e9d4858d1e6d4e7c969251cb4f8bc36a6ce36 100644 (file)
--- a/multitag.sh
+++ b/multitag.sh
@@ -1,35 +1,31 @@
 #!/bin/sh
 
+. "$_EXEC/cgilite/storage.sh"
+
 for select in $(seq 1 $(POST_COUNT select)); do
   file="$_DATA/$ITEM/$(POST select $select)"
   meta="${file%/*}/.index/meta"
   fn="${file##*/}"
 
-  while ! mkdir "${meta}.lock"; do
-    sleep 1
-    ps -o pid \
-    | grep -q "$(cat "${meta}.lock/pid")" \
-    || break
-  done
-  printf '%i\n' >"${meta}.lock/pid"
-
-  grep -vF "   $fn" "$meta" >"${meta}.lock/mtmp"
-  read length width height tags comment x <<-EOF
-       $(grep -F "     $fn" "$meta")
+  if LOCK "$meta"; then
+    grep -vF " $fn" "$meta" >"${meta}.tmp"
+    read length width height tags comment x <<-EOF
+       $(grep -F "     $fn" "$meta")
        EOF
-  tags="$(printf '%s' "${tags#tags=}" | tr , '\n')"
+    tags="$(printf '%s' "${tags#tags=}" | tr , '\n')"
 
-  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;')"
+    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; s;\r;;g;')"
 
-  printf '%s\t%s\t%s\ttags=%s\t%s\t%s\n' \
-         "$length" "$width" "$height" \
-         "$(printf %s "$tags" |sort -u |tr '\n' ,)" \
-         "$comment" "$fn" \
-  >>"${meta}.lock/mtmp"
-  mv "${meta}.lock/mtmp" "$meta"
+    printf '%i\t%i\t%i\ttags=%s\t%s\t%s\n' \
+           "$length" "$width" "$height" \
+           "$(printf %s "$tags" |sort -u |tr '\n' ,)" \
+           "$comment" "$fn" \
+    >>"${meta}.tmp"
+    mv "${meta}.tmp" "$meta"
 
-  rm "${meta}.lock/pid"; rmdir "${meta}.lock"
+    RELEASE "$meta"
+  fi
 done