not as clear as mud..... more like chocolate milk :)
On Sat, Jan 30, 2016 at 2:57 PM, Michael <
bmike1@gmail.com> wrote:
> that is exactly the way I wanted to know. you are a great guy!
>
> On Sat, Jan 30, 2016 at 2:52 PM, Brian Cluff <brian@snaptek.com> wrote:
>
>> \s does match any white space and is very different than /s. In my
>> example this is what everything means
>>
>> rename 's/:/-/' *
>> 0 12345678 9
>>
>> 0 - name of program
>> 1 - the following should be interpreted literally by the shell
>> 2 - we are going to do a regular expression search and replace
>> 3 - Regular expression start character (you can actually change this to
>> any character you like in your regular expression is going to contain
>> slashes (/), but stick with / to begin with.
>> 4 - The search pattern that will be searching for, in this case a colon
>> 5 - the seperator beween the search and replace
>> 6 - the pattern that we will be replacing our search matched with, in
>> this case a -
>> 7 - the end our of regular expression
>> 8 - stop interpreting everything literally
>>
>> There are options that you can add after the last / that can make your
>> regular expression case insensitive (i) or make it work more than once on
>> the same line (g)...etc.etc.. but there aren't any in this case as they
>> aren't needed.
>>
>> 9 - this star is now shell globing and makes the command operate on all
>> the files in the current directory. In your case it would probably be
>> better to do *:* so that it only touches files with a : in their names, so
>> that you limit the damage if you get something wrong.
>>
>> I'm sure that's now as clear as mud. :)
>>
>> Brian Cluff
>>
>>
>> On 01/30/2016 12:26 PM, Michael wrote:
>>
>> you know... the reason I was doubting that page is because it says that
>> \s matches any white space and in the example that worked:
>>
>> rename 's/:/-/' *
>>
>> looks to me as if it is saying to search for a blank space followed by a
>> colon and then (i guess) the next forward slash tells it to replace it with
>> a dash. Then the final '\' closes the statement and that too is a tatement
>> surrounded by apostrapheses.
>> Is that right?
>>
>> On Sat, Jan 30, 2016 at 2:09 PM, Brian Cluff <brian@snaptek.com> wrote:
>>
>>> 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/>
>>> 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
>>>
>>> On Sat, Jan 30, 2016 at 11:43 AM, Brian Cluff < <brian@snaptek.com>
>>> brian@snaptek.com> 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 < <mhgraham@crow202.org>
>>>> mhgraham@crow202.org> wrote:
>>>>
>>>>> On Fri, Jan 29, 2016 at 6:45 PM, Michael < <bmike1@gmail.com>
>>>>> bmike1@gmail.com> 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>
>>>>> http://crow202.org/wordpress
>>>>> There is no Darkness in Eternity
>>>>> But only Light too dim for us to see.
>>>>>
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>>>>
>>>>
>>>>
>>>> --
>>>> :-)~MIKE~(-:
>>>>
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