diff --git a/Makefile b/Makefile
index b0af855..2c49549 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,19 @@
+frfac:
+	sed "1d;2i #!`./latest_perl`" frfac.in > frfac
+
 check:
-	perl -wc frfac
-	perlcritic frfac
+	`./latest_perl` -wc frfac.in
+	perlcritic frfac.in
 	ksh93 -n getviaphone
 
-install:
+install: frfac
 	sudo install -o root -g wheel -m 0755 -d /usr/local/bin
 	sudo install -o root -g wheel -m 0555 frfac /usr/local/bin
 	sudo install -o root -g wheel -m 0555 getviaphone /usr/local/bin
+
+clean:
+	rm -f frfac
+
+uninstall:
+	sudo rm -f /usr/local/bin/frfac 
+	sudo rm -f /usr/local/bin/getviaphone
diff --git a/README b/README
index 3b45d96..d1affbb 100644
--- a/README
+++ b/README
@@ -3,3 +3,4 @@ Scripts to extract media URLs from websites
 1. frfac - url of most recent Français Facile episode from RFI.
 Usage: ftp $(frfac)
 (or substitute another downloader for ftp.)
+2. getviaphone - download a file via my phone.
diff --git a/frfac b/frfac.in
similarity index 98%
rename from frfac
rename to frfac.in
index f070826..3080f03 100755
--- a/frfac
+++ b/frfac.in
@@ -1,4 +1,4 @@
-#!/usr/pkg/bin/perl
+#!/usr/bin/perl
 # Print the URI of the most recent rfi francais facile episode.
 # Feed this to a downloader. (This script doesn't itself download.)
 
diff --git a/latest_perl b/latest_perl
new file mode 100755
index 0000000..3dff960
--- /dev/null
+++ b/latest_perl
@@ -0,0 +1,15 @@
+#!/bin/sh
+bestv=0
+for p in $(whereis perl)
+do
+	if [ "$p" != "${p%bin/perl}" ];
+	then
+		v=$($p -V:PERL_VERSION | sed "s/[^']*'//;s/'.*\$//")
+		if [ $v -gt $bestv ]; then
+			best=$p
+			bestv=$($p -V:PERL_VERSION | 
+				sed "s/[^']*'//;s/'.*\$//")
+		fi
+	fi
+done
+echo $best