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Re: the mv trap
- X-seq: zsh-workers 23754
- From: Stephane Chazelas <Stephane_Chazelas@xxxxxxxx>
- To: zsh-workers@xxxxxxxxxx, zsh-users@xxxxxxxxxx
- Subject: Re: the mv trap
- Date: Mon, 13 Aug 2007 17:50:32 +0100
- In-reply-to: <20070813143452.GE6199@xxxxxxxxxxxxxxxxxxx>
- Mail-followup-to: zsh-workers@xxxxxxxxxx, zsh-users@xxxxxxxxxx
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- References: <Xns998ADF1A94C0Dzzappergmailcom@xxxxxxxxxxx> <20070813023540.GC6199@xxxxxxxxxxxxxxxxxxx> <Xns998B58B931C45zzappergmailcom@xxxxxxxxxxx> <20070813143452.GE6199@xxxxxxxxxxxxxxxxxxx>
On Mon, Aug 13, 2007 at 04:34:52PM +0200, Vincent Lefevre wrote:
> On 2007-08-13 07:44:39 +0000, zzapper wrote:
> > red face; in fact my mv does report "not a directory".
> > My problem is reduced to unintentionally moving a single file to another
> > single file rather than the intended directory.
> >
> > MM solves this by suggesting a trailing slash
> >
> > $ mv x3 bucket/
> > mv: accessing `bucket/': Not a directory
>
> If you fear to forget the trailing slash, you can also write a shell
> script/function that checks that the target is a directory, then
> executes mv.
[...]
The thing is you sometimes do want to rename files with mv. The
wrapper function could be made so as to check if there doesn't
exist a directory spelled like the last argument.
Something like:
mv() {
local dest=$@[-1]
if [[ ! -d $dest ]]; then
local -a files
setopt localoptions extendedglob
files=((#a2)$dest(ND/))
if (($#files)); then
printf >&2 '"%s" doesn'\''t exist as a directory but\n' ${(V)dest}
printf >&2 'there exist %d directory(ies) with a close name:\n' $#files
local i
for ((i = 1; i <= $#files; i++)); do
printf >&2 ' %d "%s"\n' "$i" ${(V)files[i]}
done
printf >&2 'Would you like to move files to one of those instead (n12.)? [n] '
local answer
read answer
if [[ $answer = [0-9]## ]]; then
argv[-1]=$files[answer]
set -x
fi
fi
fi
command mv "$@"
}
--
Stéphane
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