Shell Programming and Scripting

sed 's/<[^>]*>//g' yourfile.html | uniq >newfile.txt

if [ $# -eq 0 ]
then
      echo "Please enter the file name"
      read file
fi

if [ $# -ne 1 ] 
then
  echo "Please provide the filename :"
  read filename
else
  filename=$1
fi

echo "Enter your filename:"
read a
[[ ! -f "$a" ]] && echo "Sorry $a is not a file or does not exists"
sed 's/<[^>]*>//g' $a | uniq | tee newfile.txt
echo "output generated in newfile.txt"

$ cat crap.html
<whatever>blabla</whatever>
<whatever>blgjfdklsklla</whatever>
<whatever>blaa</whatever>
<whatever>blakgjfmldbla</whatever>
<whatever>blablgjfdlka</whatever>

$ cat s
sed 's/<[^>]*>//g' $1 | uniq | tee newfile.txt

$ sh s crap.html
blabla
blgjfdklsklla
blaa
blakgjfmldbla
blablgjfdlka

$ cat newfile.txt
blabla
blgjfdklsklla
blaa
blakgjfmldbla
blablgjfdlka