make HTML dumper smarter

diff --git a/.mutt/htmldump b/.mutt/htmldump
index 565d512d43592056c9afe7664af66e03ae82f832..906bd6dc51f086e094b64abbf05be5ca8fb20df7 100755 (executable)
--- a/.mutt/htmldump
+++ b/.mutt/htmldump
@@ -1,5 +1,46 @@
 #!/bin/sh
 
-exec elinks -anonymous -localhost -eval "set document.codepage.assume = '$2'" \
-  -eval "set document.browse.margin_width = 0" \
-  -force-html -dump -dump-charset utf-8 -dump-color-mode 0
+get_mutt_confvar() {
+  local ret;
+  ret=$(mutt -D | sed -rne "s,^${1}(=| is ),,p")
+  case "$ret" in
+    (set) echo return 0;;
+    (unset) echo return 1;;
+    ('') echo "${2:-}"; return 1;;
+    (*) echo "$ret";;
+  esac
+}
+
+WRAP=$(get_mutt_confvar wrap 0)
+if [ $WRAP -lt 0 ]; then
+  WIDTH=$((${COLUMNS:-78} + $WRAP))
+
+elif [ $WRAP -gt 0 ]; then
+  WIDTH=$WRAP
+
+fi
+
+if command -v html2markdown >/dev/null; then
+
+  exec html2markdown --asterisk-emphasis --body-width=$WIDTH --unicode-snob \
+    --no-skip-internal-links --links-after-para --no-wrap-links \
+    --decode-errors=replace --images-to-alt - "$2"| \
+    sed -re 's,^\\--[[:space:]]+$,-- ,'
+
+elif command -v elinks >/dev/null; then
+
+  exec elinks -anonymous -localhost -eval "set document.codepage.assume = '$2'" \
+    -dump-width $WIDTH \
+    -eval "set document.browse.margin_width = 0" \
+    -force-html -dump -dump-charset utf-8 -dump-color-mode 0
+
+elif command -v w3m >/dev/null; then
+
+  exec w3m -I "$2" -O utf-8 -T text/html -dump -cols $WIDTH
+
+else
+
+  echo >&2 No HTML to text converter found.
+  exit 1
+
+fi