--- a/doc/manual/rescale-pdf.sh	Wed Aug 08 12:52:30 2012 -0700
+++ b/doc/manual/rescale-pdf.sh	Wed Aug 08 13:17:14 2012 -0700
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+TMPDIR=/tmp
+
 TMPFILE=`mktemp`
 
 echo "\documentclass{book}
@@ -8,5 +10,5 @@
 \includepdf[width=${1},fitpaper]{${2}}
 \end{document}" >${TMPFILE}.tex
 pdflatex -output-directory /tmp ${TMPFILE}.tex >/dev/null 2>/dev/null
-cp /tmp/`basename ${TMPFILE}`.pdf ${3}
-
+cp ${TMPFILE}.pdf ${2}
+rm -f ${TMPFILE}{,.{tex,aux,log,pdf}}