tornado/fw/txt/: tools for text conversion

txt2xbm: convert text to XBM, using ghostscript
stretch: resample XBM with rotation correction (x-axis only)
xbm2gp: convert XBM to gnuplot, taking into account rotation
plot: plot xbm2gp output
t: run all the above to display "TEST"

tornado/fw/txt/plot

@@ -0,0 +1,10 @@
+#!/bin/sh
+(
+	cat <<EOF
+#set xrange [0:255]
+#set yrange [0:63]
+set size ratio -1
+plot "-" with points pt 7 notitle
+EOF
+	cat
+) | gnuplot -persist