The dired command ! (
dired-do-shell-command) reads a shell
command string in the minibuffer and runs that shell command on all the
specified files. There are two ways of applying a shell command to
taron the entire list of file names, putting them into one tar file `foo.tar'.
uudecodeon each file.
What if you want to run the shell command once for each file but with
the file name inserted in the middle? Or if you want to use the file
names in a more complicated fashion? Use a shell loop. For example,
this shell command would run
uuencode on each of the specified
files, writing the output into a corresponding `.uu' file:
for file in *; uuencode $file $file >$file.uu; done
The working directory for the shell command is the top level directory of the Dired buffer.
The ! command does not attempt to update the Dired buffer to show new or modified files, because it doesn't really understand shell commands, and does not know what files the shell command changed. Use the g command to update the Dired buffer (see section Updating the Dired Buffer).