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There seem to be a few misconceptions at work here:

First, about $(ls). This is a device called "process substitution" and it works like this: the command inside the brackets is executed, its...

See the following shell session example:


mute@tiny:~$ mkdir shah9250
mute@tiny:~$ cd shah9250/
mute@tiny:~/shah9250$ touch 'file with spaces'
mute@tiny:~/shah9250$ for f in $(ls); do echo...

It doesn't "ignore". * gives valid filenames, split where they should be.

But cramming the result of * into one string flattens it out. It forgets where the filenames begin and end. You have it...

Read the manpage for test.

man test