Added stats.sh, to make it easier to collect benchmark & loc info.

stats.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Generates statistics on pandoc: benchmarks and lines of code
+# The stats are put in the stats directory, marked with date and revision hash.
+
+STATSDIR=stats
+mkdir $STATSDIR
+
+DATE=`date +%Y_%m_%d`
+REV=`git rev-parse --short HEAD`
+
+EXT=$DATE.$REV
+BENCH=$STATSDIR/benchmark.$EXT
+LOC=$STATSDIR/loc.$EXT
+SUMMARY=$STATSDIR/summary.$EXT
+
+runghc Benchmark.hs > $BENCH
+find src -name '*.hs' | xargs wc -l > $LOC
+
+LOCSUM=`tail -1 $LOC | sed -Ee 's/^ *([0-9]+).*/\1/'`
+
+echo "Revision $REV" > $SUMMARY
+echo `date` >> $SUMMARY
+echo "$LOCSUM lines of code" >> $SUMMARY
+echo "" >> $SUMMARY
+
+sed -nEe '/^(benchmarking|mean:)/p' $BENCH | \
+  sed -Ee '/benchmarking/N;s/\n/: /' | \
+  sed -Ee 's/benchmarking (.*)/\1/' | \
+  sed -Ee 's/mean: ([^ ]*) *([^,]*).*/\1:\2/' | \
+  awk 'BEGIN { FS = ": *" } ; { printf("%s:%7.2f %s\n", $1, $2, $3); }' | \
+  column -t -s ":" >> $SUMMARY
+