Use of uninitialized value $info - in pattern match

[sevy]

Hello,

I have the following command in a bat file (in order to process many pdf files at once) :
exiftool.exe -progress -L -if "not $subject=~/abpdf/" -xmp:subject+="abpdf" -pdf:keywords+="abpdf" -ext pdf -overwrite_original "directory"

It was ok until version 12.40. Starting version 12.41, no more add of keyword.
After adding -v to the command, I received the following error message :
Warning: Shift value for XMP-pdf:Subject is not a number
Condition: Use of uninitialized value $info{"subject"} in pattern match (m//)

I don't understand why this command was ok ... and is no more ok.

I tried to find to solve the problem... the only one until now is to continue to use the version 12.40. Does anyone have another idea ?

thanks in advance,

sevy

[StarGeek]

Try using
-xmp-dc:subject+="abpdf"
That will force the writing of the tag you actually want and ignore the XMP-pdf tag.

The "Shift value" warning occurs because XMP-pdf:Subject is neither a number nor a list type tag.  But the "uninitialized value" error is something that Phil will have to look at when he get's back from vacation.

[Phil Harvey]

the "uninitialized value" error is something that Phil will have to look at when he get's back from vacation.

This happens because you are not testing to see if $subject exists.  If you want the condition to be satisfied if there is no previous subject, do this:

-if "not $subject or not $subject=~/abpdf/"

- Phil

[StarGeek]

Ah, so that's part of the Windows fix in ver 12.41.
Fixed long-standing problem where Windows version could behave differently for -if conditions containing undefined tags

I'll have to remember this.

[sevy]

wonderful ! thanks a lot, it's now working :-)