X-Git-Url: https://git.plutz.net/?a=blobdiff_plain;f=cgilite%2Fstorage.sh;h=7f70e6480d6c89c8a32d3a9ee3fb68a5bfcc35b6;hb=HEAD;hp=17ea0d051eaf27233f8b5cd96f7396974c7a87f1;hpb=f0b9c81f51c55f990356f087721f0743706f4867;p=confetti

diff --git a/cgilite/storage.sh b/cgilite/storage.sh
index 17ea0d0..5c61df0 100755
--- a/cgilite/storage.sh
+++ b/cgilite/storage.sh
@@ -94,6 +94,21 @@ UNSTRING(){
   printf '%s\n' "$out"
 }
 
+RXLITERAL(){
+  # sed -E 's;[].*+?^${}()|\[];\\&;g'
+  local in out=''
+  [ $# -gt 0 ] && in="$*" || in="$(cat)"
+  while [ "$in" ]; do case $in in
+    [.+^\$\{\}\(\)\[\]\*\?\|\\]*)
+      out="${out}\\${in%"${in#?}"}"; in="${in#?}";
+      ;;
+    *)out="${out}${in%%[.+^\$\{\}\(\)\[\]\*\?\|\\]*}"
+      in="${in#"${in%%[.+^\$\{\}\(\)\[\]\*\?\|\\]*}"}"
+      ;;
+  esac; done
+  printf '%s\n' "$out"
+}
+
 DBM() {
   local file="$1" cmd="$2"
   local k v key value