Delete mert/sample/README; Add smoke tests.

Replace README with a bunch of shell script
for smoke testing of MERT.

The README file was not a typical README file.
It was like a sample script to run mert and
extractor, so I renamed it as smoke tests stuff.

mert/example/README

@@ -1,26 +0,0 @@
-extractor=../extractor
-#extractor="../extractor --binary"
-mert=../mert
-size=15
-
-#to read an nbest file; output is in text format
-$extractor --nbest NBEST --reference REF.0,REF.1,REF.2 --ffile FEATSTAT --scfile SCORESTAT --sctype BLEU
-$extractor --ffile FEATSTAT.2 --scfile SCORESTAT.2 --sctype BLEU --prev-ffile FEATSTAT --prev-scfile SCORESTAT
-$extractor --binary --ffile FEATSTAT.3 --scfile SCORESTAT.3 --sctype BLEU --prev-ffile FEATSTAT,FEATSTAT.2 --prev-scfile SCORESTAT,SCORESTAT.2
-$extractor --nbest NBEST --reference REF.0,REF.1,REF.2 --ffile FEATSTAT.4 --scfile SCORESTAT.4 --sctype BLEU --prev-ffile FEATSTAT,FEATSTAT.3 --prev-scfile SCORESTAT,SCORESTAT.3
-
-
-$mert -r 1234 --ifile init.opt --scfile SCORESTAT --ffile FEATSTAT -d $size --verbose 4 -n 5 
-
-exit
-
-
-#to read a gzipped nbest file; output is in text format
-$extractor --nbest NBEST.gz --reference REF.0,REF.1,REF.2 --ffile FEATSTATgz --scfile SCORESTATgz --sctype BLEU
-gzip FEATSTATgz SCORESTATgz
-
-$extractor --nbest NBEST --reference REF.0,REF.1,REF.2 --prev-ffile FEATSTAT --prev-scfile SCORESTAT --ffile FEATSTAT2 --scfile SCORESTAT2 --sctype BLEU
-
-$extractor --nbest NBEST.gz --reference REF.0,REF.1,REF.2 --prev-ffile FEATSTATgz.gz --prev-scfile SCORESTATgz.gz --ffile FEATSTAT2gz --scfile SCORESTAT2gz --sctype BLEU
-
-exit

mert/example/gzipped_test.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+extractor=$1
+mert=$2
+size=$3
+
+if [ $# -ne 3 ]; then
+    echo "Usage: ./normal_test.sh extracto mert size"
+    exit 1
+fi
+
+if ! [ -f NBEST.gz ]; then
+    gzip NBEST
+fi
+
+$extractor --nbest NBEST.gz --reference REF.0,REF.1,REF.2 \
+    --ffile FEATSTAT_gz --scfile SCORESTAT_gz \
+    --sctype BLEU 2> extractor_gz1.log
+
+$extractor --nbest NBEST --reference REF.0,REF.1,REF.2 \
+    --prev-ffile FEATSTAT --prev-scfile SCORESTAT \
+    --ffile FEATSTAT2 --scfile SCORESTAT2 \
+    --sctype BLEU 2> extractor_gz2.log
+
+# Now we want to test reading gzipped files.
+# We will first compress the output previously.
+
+for f in FEATSTAT_gz SCORESTAT_gz; do
+    printf "Compressing %s " $f
+    gzip $f
+    echo "done."
+done
+
+$extractor --nbest NBEST.gz --reference REF.0,REF.1,REF.2 \
+    --prev-ffile FEATSTAT_gz.gz --prev-scfile SCORESTAT_gz.gz \
+    --ffile FEATSTAT2_gz --scfile SCORESTAT2_gz \
+    --sctype BLEU 2> extractor_gz3.log
+
+gzip -d NBEST.gz FEATSTAT_gz.gz SCORESTAT_gz.gz
+echo "Done."

mert/example/normal_test.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+extractor=$1
+mert=$2
+size=$3
+
+if [ $# -ne 3 ]; then
+    echo "Usage: ./normal_test.sh extracto mert size"
+    exit 1
+fi
+
+echo "Runnning extractor ..."
+$extractor --nbest NBEST --reference REF.0,REF.1,REF.2 --ffile FEATSTAT \
+    --scfile SCORESTAT --sctype BLEU 2> extractor1.log
+
+$extractor --ffile FEATSTAT.2 --scfile SCORESTAT.2 --sctype BLEU \
+    --prev-ffile FEATSTAT --prev-scfile SCORESTAT 2> extractor2.log
+
+$extractor --binary --ffile FEATSTAT.3 --scfile SCORESTAT.3 --sctype BLEU \
+    --prev-ffile FEATSTAT,FEATSTAT.2 \
+    --prev-scfile SCORESTAT,SCORESTAT.2 2> extractor3.log
+
+$extractor --nbest NBEST --reference REF.0,REF.1,REF.2 --ffile FEATSTAT.4 \
+    --scfile SCORESTAT.4 --sctype BLEU --prev-ffile FEATSTAT,FEATSTAT.3 \
+    --prev-scfile SCORESTAT,SCORESTAT.3 2> extractor4.log
+
+echo "Running mert ..."
+$mert -r 1234 --ifile init.opt --scfile SCORESTAT --ffile FEATSTAT \
+    -d $size --verbose 4 -n 5 2>mert.log
+
+echo "Done."

mert/example/smoke_test.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+# A sample script for smoke testing.
+# This is not tuning script.
+# Please see: mosesdecoder/scripts/training/mert-moses.pl
+
+extractor=../extractor
+mert=../mert
+
+# Default the dimension used in mert.
+size=15
+
+# Make sure you have already compiled mert related stuff.
+for f in $extractor $mert; do
+    if ! [ -f $f ]; then
+        echo "Error: no such file or directory: $f"
+        echo "You should run `bjam` first!"
+        exit 1
+    fi
+done
+
+# Make sure you have sample data and inifile used in this tests.
+for f in NBEST REF.0 REF.1 REF.2 init.opt; do
+    if ! [ -f $f ]; then
+        echo "Error: no such file or directory: $f"
+        exit 1
+    fi
+done
+
+# Read an nbest file, Print output in text format.
+# We will save stderr to disk. Please see each log file.
+echo "Running tests for reading text files ..."
+./normal_test.sh $extractor $mert $size
+
+# Run reading gzipped file tests.
+# We will save stderr to disk. Please see each log file.
+echo "Running tests for reading gzipped files ..."
+./gzipped_test.sh $extractor $mert $size
+
+echo "Smoke tests done."