Bash: read a file line-by-line and process each segment as parameters to other prog

Question

I have some dirty work to do, so a Bash script seems to be a good choice. I\'m new to Bash, and the experience makes me kind of frustrated.

The file mapfiles.txt con

Answer 1

You can simplify this a lot:

while read file key log lat
do
  echo "$cmd" "$key" "$log" "$lat" "$file"
done < "$input"