The way to do this is discussed on the exiv2 forum:
http://dev.exiv2.org/boards/3/topics/901
You combine the separate options
For example: ~/image.tests$ exiv2 -qpa blank.jpg
Results in no output, but:
~/image.tests$ exiv2 -q pa blank.jpg
pa: Failed to open the file
blank.jpg File name : blank.jpg
blank.jpg File size : 4691 Bytes
blank.jpg MIME type : image/jpeg
blank.jpg Image size : 229 x 83
blank.jpg: No Exif data found in the file
** Changed in: exiv2 (Ubuntu)
Status: New => Invalid
** Changed in: exiv2 (Ubuntu)
Assignee: (unassigned) => Alan Pater (alan-pater)
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https://bugs.launchpad.net/bugs/1398251
Title:
Options "-q" and "-Qm" not making quiet
Status in exiv2 package in Ubuntu:
Invalid
Bug description:
The option "-q" and "-Qm" should both suppress error messages.
Both do not prevent the message "No Exif data found in the file", which
is shown on stderr when there are no such data:
$ exiv2 -Qm pr test.jpg
File name : test.jpg
File size : 241565 Bytes
MIME type : image/jpeg
Image size : 2338 x 1654
test.jpg: No Exif data found in the file
(Same result for "exiv2 -q pr test.jpg")
Option "-q" is described as "Silence warnings and error messages from the
Exiv2 library...".
Even though it's not obvious whether the message above is strictly from the
library or from
the "exiv2" tool using the library, the description makes me expect the
message would be suppressed.
Option "-Qm" is setting the log level (of the tool, I suppose) to "mute" -
which should clearly
suppress the message.
Also, the description notes "-Qm is equivalent to -q" - implying that "-q"
should also mute.
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