<div dir="auto">A thumb drive in fat32 or ntfs mode won't support unix perms. So group perms won't take.<div dir="auto"><br></div><div dir="auto">Also, windows format thumb drives are stupid about uppercase. So *.JPG really needs to be *.[jJ][pP][gG]</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Dec 27, 2016 10:31 PM, "Alex Carver" <<a href="mailto:agcarver%2Bale@acarver.net">agcarver+ale@acarver.net</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">He shouldn't need recursive mode if he's inside the same directory as<br>
the files.<br>
<br>
However, which user owns the file? If you're not the explicit owner<br>
then it's not going to change permissions. Sometimes it doesn't change<br>
permissions if you're a member of the group, either.<br>
<br>
On 2016-12-27 16:43, Jim Kinney wrote:<br>
> -r<br>
><br>
> Recursive<br>
><br>
> It may be -R<br>
><br>
> Damn gnu not setting a standard on rR for recursive.<br>
><br>
> On Dec 27, 2016 7:08 PM, "Sean" <<a href="mailto:kilpatms@comcast.net">kilpatms@comcast.net</a><br>
> <mailto:<a href="mailto:kilpatms@comcast.net">kilpatms@comcast.net</a>>> wrote:<br>
><br>
> I am confused -- which is nothing new.<br>
> Running Fedora 24 on this laptop w/kernel 4.8.14, and CentOS 7.2 on my big<br>
> box.<br>
> In the past the following command has changed the perms within a directory of<br>
> .JPG files so that all of those files have the same perms:<br>
><br>
> chmod 660 *.JPG<br>
><br>
> Now it doesn't. On CentOS. Works just fine on this laptop w/Fedora 24 -- ON<br>
> SOME DIRECTORIES!!! just not on the directories I need to have this work on.<br>
><br>
> Specifically, I have some pix taken with an i-phone. They were transferred to<br>
> a thumb drive and then to this laptop. The perms read: -rw-r--r-- and I want<br>
> them to read: -rw-rw-r-- I would like to change the perms on both the thumb<br>
> drive AND on the laptop.s hard drive.<br>
><br>
> I've looked through the man page and, as is often the case, been unable to<br>
> glean a clue.<br>
><br>
> A clue would be appreciated.<br>
><br>
> How do I change the perms from -rw-r--r-- on a set of jpg files within a<br>
> single directory to -rw-rw-r-- ? And have it stick?<br>
><br>
><br>
><br>
> sean<br>
><br>
><br>
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</blockquote></div></div>