shell脚本批量将文件复制到指定的文件夹下_linux shell

cat 2022-05-07_path.txt | while read line
do
#echo $line
dir=根目录/"$line"
echo $file_path
filelist=`ls $dir`
for file in $filelist
do
tmp=${file##*/} #文件名
file_no_suffix=${tmp%.*} #文件名不带后缀
suffix=${file##*.} #后缀
#echo $tmp
#echo $file_no_suffix
if [[ $suffix != $file_no_suffix ]] && [[ $suffix == 'pdf' ]]; then
if [[ $file_no_suffix != 'source_file_dec' ]] && [[ $file_no_suffix != 'source_file_origin' ]] && [[ $file_no_suffix != 'source_file' ]]; then
#echo $tmp
#echo $file_no_suffix
file_path=$dir/$tmp
echo cp $file_path $target_dir
cp $file_path $target_dir
fi
fi
done
done