bash 循环遍历没有扩展名的文件

Question

related to: Loop through all the files with a specific extension

I want to loop through files that matches a pattern:

for item in ./bob* ; do
    echo $item
done

I have a file list like:

bob
bobob
bobob.log

I only want to list files that have no extension:

bob
bobob

what is the best way to archive this? - can I do it in the loop somehow or do I need an if statement within the loop?

Answer 1

In bash you can use features of xtended globbing :

shopt -s extglob

for item in ./bob!(*.*) ; do
    echo $item
done

You can put shopt -s extglob in your .bashrc file to enable it.

Answer 2

Recent Bash versions have regular expression support:

for f in *
do
  if [[ "$f" =~ .*\..*  ]]
  then
    : ignore
  else
    echo "$f"
  fi
done