Bash for loop with wildcards and hidden files

Question

Just witting a simple shell script and little confused:

Here is my script:

% for f in $FILES; do echo \"Processing $f file..\"; done

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Answer 1

The default globbing in bash does not include filenames starting with a . (aka hidden files).

You can change that with

shopt -s dotglob

$ ls -a
.  ..  .a  .b  .c  d  e  f
$ ls *
d  e  f
$ shopt -s dotglob
$ ls *
.a  .b  .c  d  e  f
$ 

To disable it again, run shopt -u dotglob.