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Description of problem:

ppmfade utility seems to be broken. Not working at all.
"Undefined subroutine &main::tempdir called at /usr/bin/ppmfade line 131." is returned when called.

Version-Release number of selected component (if applicable):
Unreleased!
netpbm-progs-10.79.00-1.el7.x86_64
netpbm-10.79.00-1.el7.x86_64

How reproducible:
100%

Steps to Reproduce:
# ppmwheel 100 | pnmquant 16 > test.ppm
pnmcolormap: making histogram...
pnmcolormap: Scanning image 0
pnmcolormap: 7520 colors so far
pnmcolormap: 7520 colors found
pnmcolormap: choosing 16 colors...
pnmremap: 16 colors found in colormap

# ppmfade -l test.ppm -base ppmfade; echo $?
Frames are 100W x 100H
Undefined subroutine &main::tempdir called at /usr/bin/ppmfade line 131.
255

It looks like rebase related issue, due on Fedora, all works fine. I will look at it and prepare new build.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2018:0712