Errors on shell infile -


i got text file test.txt

a b c d e

and shell script

filename="test.txt"  while ifs= read -r line;     echo "$line"     if [ "$line" = "a" ]                   echo "abc"     fi  done < "$filename"

i expect see line "abc" after "a" got is:

a b c d e

any suggestions on what's wrong?


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