Hi all,

I just finished my first software product for Tru64 versions V5.1B-[3456] called File Looper.

File Looper allows to loop mount files like iso images on Tru64. You choose an iso image file, attach it to a block device special file (created by File Looper) and can mount it as you would mount a CD:

bash-4.3# fl -v
File looper version 1.0.0 on OSF/1
bash-4.3#
bash-4.3# fl -h
File looper syntax:

  $ fl -a <dev> <file>
  Attach file to device.

  $ fl -d <dev>
  Detach file from device.

  $ fl -l
  List attached files.

  $ fl -h
  Print help.

  $ fl -v
  Print version.

For more info type man fl
bash-4.3#
bash-4.3# ls -l debian-10.8.0-mips-netinst.iso
-rwxr-xr-x  1 root    system  294803456 Mar 30 12:37 debian-10.8.0-mips-netinst.iso
bash-4.3#

Attach iso file to a device:

bash-4.3# fl -a /dev/loop/debianiso ./debian-10.8.0-mips-netinst.iso
bash-4.3#

Mount device:

bash-4.3# mount -t cdfs /dev/loop/debianiso /mnt/CDROM
bash-4.3#

Use mounted filesystem (access, read, copy):

bash-4.3# ls -l /mnt/CDROM
total 98
dr-xr-xr-x  1 root    system      2048 Feb  6 14:40 .disk
-r--r--r--  1 root    system      8158 Feb  6 14:40 README.html -r--r--r--  1 root    system      291 Mar  4  2017 README.mirrors.html -r--r--r--  1 root    system        86 Mar  4  2017 README.mirrors.txt -r--r--r--  1 root    system      4816 Feb  6 14:40 README.txt dr-xr-xr-x  1 root    system      2048 Feb  6 14:40 css
lr-xr-xr-x  1 root    system        1 Feb  6 14:40 debian -> . dr-xr-xr-x  1 root    system      2048 Feb  6 14:40 dists
dr-xr-xr-x  1 root    system      2048 Feb  6 14:40 doc
dr-xr-xr-x  1 root    system      2048 Feb  6 14:40 firmware dr-xr-xr-x  1 root    system      2048 Feb  6 14:40 install
-r--r--r--  1 root    system    69760 Feb  6 14:40 md5sum.txt dr-xr-xr-x  1 root    system      4096 Feb  6 14:40 pics
dr-xr-xr-x  1 root    system      2048 Feb  6 14:40 pool
bash-4.3#

Unmount when done:

bash-4.3# umount /mnt/CDROM
bash-4.3#

List loop attachments:

bash-4.3# fl -l
/dev/loop/debianiso: /usr/users/root/debian-10.8.0-mips-netinst.iso (294803456 bytes)
bash-4.3#

Detach file from device:

bash-4.3# fl -d /dev/loop/debianiso
bash-4.3#

Verify:

bash-4.3# fl -l
INFO: No loops attached
bash-4.3#

And that's all!

Hopefully it may help sysadmins and enthusiasts alike by bringing useful functionality to these systems.

If you want to acquire a copy, contact me at truhobbyist at gmail dot com and I will happily guide you through the setup process.

Kind regards,
Tru

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