Puppy Linux Discussion Forum

sunburnt · Joined: 08 Jun 2005 Posts: 4001 Location: Arizona, U.S.A.

I used the + to replace / in Puppy`s utility "filemnt"

RSH · Joined: 05 Sep 2011 Posts: 1564 Location: Germany

Bruce B · Posted: Sat 07 Apr 2012, 18:00 Post subject:

sunburnt,

After sitting up all night thinking about, I think the losetup-FULL output is accuate. I'll explain how.

While puppy is assembling its layered file system /initrd actually is /

Later after things are mounted, Puppy performs a switch_root and sets up a new /

find a line something like below inside file init
#SETUP SWITCH TO MAIN FILESYSTEM#
echo -n "Performing a 'switch_root' to the layered filesystem..." > /dev/console

then look at the commands which follow

So, according to my theory, losetup records the true location of the .sfs and .3fs files which are mounted before the switch_root. The switch_root changes the root (meaning the location of /) and the losetup path doesn't change simply because a switch_root was made.

(1) I hope I made this post understandable, (2) I think it is true and hope it is. :)

~

Bruce

Also, regarding your use of the sed command. Thanks. I've been escaping special characters with a \

It appears to me your use of the #string of characters# causes a literal character interpretation by sed. Anyway, it is an easier way to feed sed characters when there are special characters which would otherwise need to be escaped. Thanks.

~

Bruce B · Posted: Sat 07 Apr 2012, 20:02 Post subject:

RSH · Joined: 05 Sep 2011 Posts: 1564 Location: Germany

Ok, i will try to explain, but i think i will fail again, because i do know, i have to polish up my english knowledge. I am just trying to recall my long year ago english experience. You surely know: it's really hard to do the whole work (programming in a new language, posting questions & suggestion etc.) using a foreign language - and also being an newbie to linux..

I do know, on my problems always (there it is again) to find the right words and/or syntax. Sad

Ok:

Mount - clicking on a sfs, rox opens and i do get access to the sfs's data, but can not run the programs

Load - like sfs_load, getting acces to data and the use of (run) the programs

"not always" - in one case it works, in the other case it doesn't

Without pupsave the path is : /mnt/sdd1/lazy
Using pupsave the path is /mnt/home/lazy

Without pupsave the the path of a mounted sfs changes to /mnt/+mnt+sdd1+lazy
Using pupsave the path of a mounted sfs changes to /mnt/+mnt+home+lazy

I do mount the sfs using rox "$ORIGFILE". $ORIGFILE is the name of the sfs (including its pathname)

If i use /mnt/+mnt+home+lazy/xxx (xxx is the path to a file inside the sfs) i do not getting access to the data. I can not use cp to copy a file out of the sfs into the system. I have to change +mnt+home to +initrd+mnt+dev_save. Then i can use cp.

Using the sequence(?) +initrd+mnt+dev_save gives acces to the data inside the mounted sfs in both cases (using pupsave and not using pupsave)

We (my suggester, supporter, tester and myself) di test it several times, because i was confused on that fact, the application does run on my system (i do work to 100% without pupsave on my home workstation) and does nothing on Wolfgangs (der-schutzhund) computer. Did need some time to come to the knowledge of the differences in our ways to use my LazY Puppy. He works always (and again) using pupsave.

The sequence +initrd+mnt+dev_save did solve the whole thing and made the application running (andworking) in both cases/ways.

I think, making more words might make you again "confused", so i will send you my rightclick application to improve the whole thing. It will be easy to improve just by commenting out one single line of code and then running the application two times (twice?) one time (once?) -without pupsave (i call this mostly save file)- and one time (once again?) running the application using a pupsave (then it will run straight through its code without doing anything of the wanted job).

But it needs a bit of time, because i do use this in modified sfs files, which means, the sfs contains a text file. If this does not exist, the application does nothing. So i have to remove this parts or comment them out, first.

But i will send as soon as possible; unfortunately i have to go to bed now. I am working today about 39 hours in a row and therefor i am currently not able to do any more coding.

sunburnt · Joined: 08 Jun 2005 Posts: 4001 Location: Arizona, U.S.A.

RHS; Rox does weird things, I use scripts.

Bruce B; Your explanation sounds plausable for Puppy.

Whatever character comes after the 's is the separator.
Or for other sed commands the character after sed '
I`ve seen | used but it`s the pipe operator.
% also works but it seems confusing to look at.
Many others work also but I stick with # .

RSH · Joined: 05 Sep 2011 Posts: 1564 Location: Germany

Bruce B · Posted: Sun 08 Apr 2012, 01:49 Post subject:

Bruce B · Posted: Sun 08 Apr 2012, 01:59 Post subject:

Bruce B · Posted: Sun 08 Apr 2012, 02:05 Post subject:

RSH · Joined: 05 Sep 2011 Posts: 1564 Location: Germany

Bruce B · Posted: Sun 08 Apr 2012, 03:07 Post subject:

[quote="RSH"]

Bruce B · Posted: Sun 08 Apr 2012, 03:09 Post subject:

RSH · Joined: 05 Sep 2011 Posts: 1564 Location: Germany