Add print duplex script

.local/bin/print-duplex

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+# @see: https://opensource.com/article/20/4/print-duplex-bash-script#!/bin/bash
+
+# take any PDF file and print the odd pages first
+# THEN, ask the user to put the paper back in the printer, face down
+# THEN, print even pages
+
+# take the default printer from the cups configuration
+# OR manually set it
+_PRINTER="HP_LaserJet_1022"
+#_PRINTER=$(grep DefaultPrinter -i /etc/cups/printers.conf | awk {'print$2'} | sed -e "s/>//")
+
+if [ "$#" -lt "1" ]
+then
+  echo -e "Document to print is required."
+  exit 1
+fi
+
+_DOCUMENT_COUNT=$#
+_INDEX=1
+
+_print() {
+  lpr -P $_PRINTER -o $@ "$_DOCUMENT"
+}
+
+_log() {
+  echo ${_DOCUMENT} - $1
+}
+
+_print_document() {
+  _log "Printing even pages"
+  _print page-set=even -o outputorder=reverse
+
+  _log "Place paper back into the printer in EXACT OUTPUT ORDER (face down in tray) then press ENTER"
+  read _IS_DONE
+
+  _log "Printing odd pages"
+  _print page-set=odd -o orientation-requested=6
+}
+
+_wait_between_documents() {
+  if [ "$_INDEX" -lt "$_DOCUMENT_COUNT" ]
+  then
+    _log "Press ENTER when document is finished printing ($_INDEX) $_DOCUMENT_COUNT"
+    read _IS_DONE
+
+    ((_INDEX++))
+  fi
+}
+
+for _DOCUMENT in $@
+do
+  _print_document
+  _wait_between_documents
+done