Excel电子表格导出TXT在Linux下无法显示

#!/bin/bash
j=0
infile=$1
sed 's/\([ ]*\)//g' $infile >mailtemp.txt
len=`wc -l < mailtemp.txt`
echo $len
len=`expr $len + 1`
while test $j -lt $len;
do
a=`tail -$j mailtemp.txt | head -1`
b=`echo $a|awk -F, {'print $3'}`
echo "a=$a"
echo "b=$b"
c=`grep -E "\b$b\b" rightdata.txt| wc -l`
echo "c=$c"
if [ $c -gt 0 ]
then
echo $a >>doubledata.txt
else
c1=`echo $b|grep -o "@" |wc -l`
echo "c1=$c1"
if [ $c1 -ne 1 ]
then
echo $a >>errordata.txt
else
c2=`echo $b|grep -o "^@" |wc -l`
echo "c2=$c2"
if [ $c2 -eq 1 ]
then
echo $a >>errordata.txt
else
c3=`echo $b|grep -o "@$" |wc -l`
echo "c3=$c3"
if [ $c3 -eq 1 ]
then
echo $a >>errordata.txt
else
echo $a >>rightdata.txt
fi
fi
fi
fi



#echo $j
j=`expr $j + 1`
done
rm -rf mailtemp.txt