X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=processor%2Fhelpers.sh;h=64d1123ce89e73ad080cd7a9b614d33266325178;hb=HEAD;hp=20905ab6a9e5f06eb01763088ad2e4310784fabb;hpb=b86576c5f61cff36c80c9e0efd9d77f50dac745b;p=redo-blog

diff --git a/processor/helpers.sh b/processor/helpers.sh
index 20905ab..64d1123 100644
--- a/processor/helpers.sh
+++ b/processor/helpers.sh
@@ -6,10 +6,32 @@ escape_html() {
 }
 
 read_and_escape_file() {
-  in=`cat "$1"`
+  in=$(cat "$1")
   escape_html "$in"
 }
 
+get_uuid_from_meta_file() {
+  probable_uuid=$(cat "$1" | head -1)
+  if printf "$probable_uuid" | grep -Eq "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"; then
+    printf "$probable_uuid"
+  else
+    echo "Malformed UUID in meta file." >&2
+    exit 1
+  fi
+}
+
+get_creation_date_from_meta_file_seconds() {
+  cat "$1" | sed -n '2p' | cut -d'_' -f1
+}
+
+get_creation_date_from_meta_file_nanoseconds() {
+  cat "$1" | sed -n '2p'
+}
+
+get_lastmod_date_from_meta_file() {
+  cat "$1" | sed -n '4p'
+}
+
 escape_url() {
   out=`python3 -c 'import sys, urllib.parse; print(urllib.parse.quote(sys.argv[1]))' "$1"`
   printf "%s" "$out"
@@ -23,7 +45,7 @@ get_basepath() {
   url_basepath=`echo $base_url | cut -d '/' -f 3-`
   url_basepath_escaped=`escape_url "$url_basepath"`
   basepath="$url_protocol""://""$url_basepath_escaped"
-  echo "$basepath"
+  printf "%s" "$basepath"
 }
 
 get_source_file() {
@@ -37,5 +59,15 @@ get_source_file() {
     exit 1
   fi
   redo-ifchange "$src_file"
-  printf "$src_file"
+  printf "%s" "$src_file"
+}
+
+prep_sed () {
+  # Escape characters that confuse sed in a replacement string. Also replace
+  # occurences of % (which the templating uses as a variable marker) with
+  # non-printable placeholder \a (clear input of it first), to be replaced by
+  # % again when the templating has finished (so that no replacement string gets
+  # interpreted by the templating).
+  sedsafe_pattern='s/\\/\\\\/g; s/\//\\\//g; s/&/\\\&/g; $!s/$/\\/g; '
+  sed "$sedsafe_pattern" | tr -d '\a' | tr '%' '\a'
 }