On Fri, 16 Sep 2011 00:17:47 +0700, Ivan wrote in message
<[🔎] 86ehzhsp1g.fsf@gray.siamics.net>:
> Whitespace is not a problem as long as one remembers to
> double-quote Shell $ubstitutions, like:
>
> for i in a b c ; do
..or, e.g.: for i in $(ls /path/to/files/*.txt ) ; do
> txt2pdf -input "${i}.txt" -out "${i}.pdf"
> done
..disclaimer: I've only used the alleged obsolete back-tick way. ;o)