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Re: info inconsistency about "Shell Commands in Dired"

From: Masatake YAMATO
Subject: Re: info inconsistency about "Shell Commands in Dired"
Date: Sat, 21 Aug 2004 15:38:27 +0900 (JST)

> Masatake YAMATO wrote:
>    In the section "Shell Commands in Dired" of Emacs Info, 
>    I found following lines:
>       * If the command string contains `?' surrounded by whitespace, the
>       current file name is substituted for `?'.  You can use `?' this
>       way more than once in the command, and each occurrence is
>       replaced.  For instance, here is how to uuencode each file, making
>       the output file name by appending `.uu' to the input file name:
>            uuencode ? ? > ?.uu
>    ?.uu is surrounded by whitespace. So above command line generated an
>    unexpected file.
> You mean that the third ? is _not_ surrounded by whitespace?  I indeed
> believe that the example is wrong.  The third ? is not substituted
> and the output goes to a file named ?.uu.

What you believe is what I meant. The example is wrong. One of the
solution is to remove the example from the texi. However, dired users
may be happy if the users can do:
>            uuencode ? ? > ?.uu
Yesterday I tried "tar cvf ?.tar ?"; and I got ?.tar file.

How do you think accepting `-' and `.' in addition to the whitespace?
I have considered more generic extension, however I have got no idea.

Masatake YAMATO

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