Shell Programming and Scripting

for line in `cat file.txt`; do
    ID=`awk '{print $NF}' $line`
    START=`awk -F"\t" '{print $4}' $line`
    END=`awk -F"\t" '{print $5}' $line`
    ...more works with these three variables...
done

cat file.txt | while read line; do
    ID=`awk '{print $NF}' $line`
    START=`awk -F"\t" '{print $4}' $line`
    END=`awk -F"\t" '{print $5}' $line`
    ...more works with these three variables...
done

cat file.txt
213 length:6407        abc      xyz       2         343       .       +       0        id 3290
213 length:6407        def      mno      453     3922     .       +       0        id 3291
......

awk -F"\t " '{printf("ID=%s,START=%s,END=%s\n",$11,$5,$6);}' input_file

while read myline
do
   # make every word
   declare -a ( $myline )  # works with tab or space by default

   start=${arr[4]}
   end=${arr[5]}
   id=${arr[[10]}

done < inputfile

while read line; do
   declare -a arr=($line)

   start=${arr[4]}
   end=${arr[5]}
   id=${arr[[10]}
   ...
done < inputfile