Hi,
this looks as if the '=' in /dev/sr0=ubuntu-16.04.6-desktop-amd64.iso
is interpreted by the shell parser as whitespace.
I get the message about genisoimage only if i do
growisofs -speed=1 -dvd-compat -Z /dev/sr0
ubuntu-16.04.6-desktop-i386.iso
Then it says
About to execute 'genisoimage ubuntu-16.04.6-desktop-i386.iso |
builtin_dd of=/dev/sr4 obs=32k seek=0'
and lets genisoimage pack up the .iso file as only data file of a new ISO
filesystem which it then burns to DVD.
Without option -R or -J this yields the dull short file name.
If i run
growisofs -speed=1 -dvd-compat -Z
/dev/sr0=ubuntu-16.04.6-desktop-i386.iso
i get to see
About to execute 'builtin_dd if=ubuntu-16.04.6-desktop-i386.iso
of=/dev/sr4 obs=32k seek=0'
and the desired plain burn without genisoimage gets performed.
If i run with both, '=' and ' '
growisofs -speed=1 -dvd-compat -use-the-force-luke=notray -Z /dev/sr0=
ubuntu-16.04.6-desktop-i386.iso
i get
:-( unable to open64("",O_RDONLY): No such file or directory
-----------------------------------------------------------------------
So somehow your shell parser and/or growisofs manage to neatly separate
/dev/sr0 from ubuntu-16.04.6-desktop-amd64.iso before they get used as
parameters for genisoimage and "buildin_dd".
To test the shell parser you could do:
for i in /dev/sr0=ubuntu-16.04.6-desktop-amd64.iso ; do echo $i ; done
It should put out a single line
/dev/sr0=ubuntu-16.04.6-desktop-amd64.iso
If you see two lines
/dev/sr0
ubuntu-16.04.6-desktop-amd64.iso
then the '=' was interpreted as white space.
growisofs itself is fewly maintained. If you get fed up with your smart
cat trick, be invited to try my programs cdrskin and xorrecord for image
burning.
Have a nice day :)
Thomas
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https://bugs.launchpad.net/bugs/1832922
Title:
cannot use growisofs to write iso image
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