Re: A quick Q: how do I command something in large amount

[Ivan Shmakov <ivan@gray.siamics.net>]

>>>>> Axel Freyn <axel-freyn@gmx.de> writes:

[…]

 > So you should try e.g.

 > for FILE in *.txt; do mv "$FILE" "`basename \"$FILE\" .txt`".pdf; done

	Backticks are obsolete for a long time, and that's precisely the
	reason.  Consider how much cleaner is the following:

   for FILE in *.txt; do mv "$FILE" "$(basename "$FILE" .txt)".pdf; done

	Furthermore, Bash also allows one to spare a basename(1)
	invocation, like:

   for FILE in *.txt; do mv "$FILE" "${FILE%.txt}".pdf; done

	Finally, I'd like to make a few more changes:

   (for file in *.txt; do mv -- "$file" "${file%.txt}".pdf; done)

	It is left as an exercise to the reader to figure out the
	differences between the two.

 > (this works at least with spaces in the filename...)

	The last command above should work for any valid filename.

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