X-Git-Url: https://git.plutz.net/?p=confetti;a=blobdiff_plain;f=pdiread.sh;h=8118318d3d4bdd4e2793d468c037b28b5006588f;hp=6f15658dc912c72a187c1559328e1e77a763b741;hb=refs%2Fheads%2Fcgilite;hpb=1b60162cdd40f964fed3d943d95601f42479b5de

diff --git a/pdiread.sh b/pdiread.sh
index 6f15658..08fbaec 100755
--- a/pdiread.sh
+++ b/pdiread.sh
@@ -26,6 +26,16 @@ include_pdi="$0"
 BR='
 '
 
+unescape() {
+  local unescape='s;(^(\\\\)*|[^\\](\\\\)*)\\n;\1\n;g; s;\\(.);\1;g'
+  if [ $# -eq 0 ]; then
+    sed -E "$unescape"
+  else
+    printf %s "$*" \
+    | sed -E "$unescape"
+  fi
+}
+
 pdi_load() {
   # normalise PDI file for processing with pdi_* functions
   # functions in this library can only be applied to normalised data