test-lab-3-e.sh

#!/bin/bash

##########################################
#  this file contains:
#   BLOBFILE TEST: test for BLOB big file...
###########################################

DIR=$1
SUFFIX=$(echo $DIR | grep -o -P 'yfs\d' | head)
TEST_FILE1=foo.txt.${SUFFIX}
TEST_FILE2=${DIR}/foo.txt.${SUFFIX}
SRCFILE=tmprand

dd if=/dev/urandom of=${SRCFILE} bs=1K count=400 >/dev/null 2>&1

echo "BLOB FILE TEST"

dd if=${SRCFILE} of=${TEST_FILE1} bs=1K seek=3 count=30 >/dev/null 2>&1
dd if=${SRCFILE} of=${TEST_FILE2} bs=1K seek=3 count=30 >/dev/null 2>&1
diff ${TEST_FILE1} ${TEST_FILE2} >/dev/null 2>&1
if [ $? -ne 0 ];
then
        echo "BLOB FILE TEST FAILED!!!!!!!!!!!!!!!!!!"
        exit
fi
echo "Passed BLOB test"

rm ${TEST_FILE2} ${TEST_FILE1} ${SRCFILE}