opening html/pdf files from corresponding vim by lukesmith added

.config/nvim/init.vim

@@ -99,6 +99,9 @@ autocmd FileType html inoremap ü ü
 " Compiler for languages
 map <leader>c :w! \| !compiler <c-r>%<CR>
 
+" Open corresponding file (pdf/html/...)
+map <leader>p :!opout <c-r>%<CR><CR>
+
 " Delete trailing whitespaces on save
 autocmd BufWritePre * %s/\s\+$//e
 

.local/bin/opout

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# opout: "open output": A general handler for opening a file's intended output,
+# usually the pdf of a compiled document.  I find this useful especially
+# running from vim.
+
+basename="$(echo "$1" | sed 's/\.[^\/.]*$//')"
+
+case "$1" in
+	*.tex|*.m[dse]|*.[rR]md|*.mom|*.[0-9]) setsid xdg-open "$basename".pdf >/dev/null 2>&1 & ;;
+	*.html) setsid "$BROWSER" "$basename".html >/dev/null 2>&1 & ;;
+	*.sent) setsid sent "$1" >/dev/null 2>&1 & ;;
+esac