Copying files from multiple directories into a single destination directory

Question

There are multiple directories which contain a file with the same name:

direct_afaap/file.txt
direct_fgrdw/file.txt
direct_sardf/file.txt
...

N

Answer 1

while read -r line; do 
   suffix=$(sed 's/^.*_\(.*\)\/.*$/\1/' <<<$line)
   newfile=$(sed 's/\.txt/$suffix\.txt/' <<<$line)
   cp "$line" "~/direct_new/$newfile"
done 

where file_list is a list of your files.