Regular expressions is a pretty big topic. It's not super easy like
globing (like the * you've been using in bash) which you can get the
idea from the 544 page book (
http://www.amazon.com/Mastering-Regular-Expressions-Jeffrey-Friedl/dp/0596528124/
) that can be bought on regular expressions. The equivalent book on
globing would be a pamphlet.
That being said, the basics aren't too hard to learn, but you have to
keep in mind that they are fairly different, and don't always act like
what you would think.
There are a ton of howtos out there and they take a lot of different
approaches to explaining thing, I would just search google for them
until you find one that speaks to you.
Brian Cluff
On 01/30/2016 11:54 AM, Michael wrote:
thank you Brian. Does anyone happen to know of a perl regexr list. I
found one but am not sure if it is right:
http://www.cs.tut.fi/~jkorpela/perl/regexp.html
<http://www.cs.tut.fi/%7Ejkorpela/perl/regexp.html>
On Sat, Jan 30, 2016 at 11:43 AM, Brian Cluff <[email protected]
<mailto:[email protected]>> wrote:
You can't rename files that way. The * on the command line gets
turned into real file names by bash before they are ever given to
the mv command so you are tell the command line to consist of any
files with a : followed by any files with an = or -.
At best your command will error out, at worst it will overwrite an
existing file.
What you are needing is a program that can take a pattern and
rename files with a different pattern. There are 2 that I've
used, mmv and rename. Of the 2, you probably have rename on your
system already since it gets pulled in with PERL. If not, just
install the rename package.
With rename all you have to do is:
rename 's/:/-/' *
That will use a regular expression to change all the files in the
current directory that contain a : in their name to the same name
with a - replacing the :.
Be very very careful with the rename command, it can and will
clobber every file that it touches before you know it just because
you got a single character out of place.
When in doubt add the -n option so that it will tell you what it's
going to do without actually doing it. Then if everything looks
good, run the command again without the -n to actually make the
changes.
Brian Cluff
On 01/30/2016 08:29 AM, Michael wrote:
I'm sure that will fix it but what am I doing wrong in my
attempts to rename them?
$ mv *:* *=*
mv: target ‘*=*’ is not a directory
$ mv *:* *-*
mv: target ‘darktable-1:9Download’ is not a directory
$ mv *:* ./*-*
mv: target ‘./darktable-1:9Download’ is not a directory
On Sat, Jan 30, 2016 at 10:29 AM, Matt Graham
<[email protected] <mailto:[email protected]>> wrote:
On Fri, Jan 29, 2016 at 6:45 PM, Michael <[email protected]
<mailto:[email protected]>> wrote:
the filesystem is probably FAT because it is a thumb
drive....
rsync: mkstemp
"/media/bmike1/RedSanDisk/Documents/Education/Darktable/.darktable-1:10WaterLilyEdit.CccL3o"
failed: Invalid argument (22)
It is not possible to have a ':' character in a filename on a
FAT-based filesystem. This is because that character was
used to denote which disk drive a file was on back in the DOS
days... "C:\junk\stuff.txt" and so forth.
I am not sure what these hidden files contain, or whether
they're actually important. You can pass the "--exclude
*\:*" option to rsync to tell it to not try to transfer files
that contain ':' characters, which may help.
--
Crow202 Blog: http://crow202.org/wordpress
There is no Darkness in Eternity
But only Light too dim for us to see.
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