/usr/bin/pphs is in ghostscript 9.22~dfsg+1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #!/bin/sh
# Print the Primary Hint Stream from a linearized PDF file. Usage:
# pphs filename.pdf
# Output goes to stdout.
# This definition is changed on install to match the
# executable name set in the makefile
GS_EXECUTABLE=gs
gs="`dirname \"$0\"`/$GS_EXECUTABLE"
if test ! -x "$gs"; then
gs="$GS_EXECUTABLE"
fi
GS_EXECUTABLE="$gs"
exec "$GS_EXECUTABLE" -q -P- -dSAFER -dNODISPLAY -- pphs.ps "$@"
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