From 41ac0aba1a98718068d86f2934130fcfe70d5ea6 Mon Sep 17 00:00:00 2001
From: kaa <kaa@disroot.org>
Date: Thu, 25 Jul 2024 14:08:52 -0700
Subject: Public release.

---
 pdfdouble | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100755 pdfdouble

diff --git a/pdfdouble b/pdfdouble
new file mode 100755
index 0000000..38ef116
--- /dev/null
+++ b/pdfdouble
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+in="$1"
+if [ -z "$in" ] || ! [ -f "$in" ]
+then
+	echo Provide an input PDF.
+	return
+fi
+
+s() {
+	seq $1 -2 $2 | tr '\n' ',' | sed -e 's/,$//'
+}
+pages=$(mutool info "$in" | grep '^Pages: ' | sed -e 's/.* //')
+base="${in%.*}"
+if [ $((pages % 2)) -eq 0 ]
+then
+	echo Even
+	mutool draw -o "$base"-e.pdf "$in" $(s $pages 2)
+	mutool draw -o "$base"-o.pdf "$in" $(s $((pages - 1)) 1)
+else
+	mutool draw -o "$base"-e.pdf "$in" $(s $((pages - 1)) 2)
+	mutool draw -o "$base"-o.pdf "$in" $(s $pages 1)
+fi
+
+echo '
+1. Print odd. They may be more odd pages than even,
+   but not more even than odd.
+2. Flip.
+3. Print even.'
-- 
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