/usr/bin/pwo2xsf is in xcrysden 1.5.60-1.
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 | #!/bin/sh -f
# simple wrapper to run pwo2xsf
XCRYSDEN_TOPDIR=/usr/share/xcrysden
XCRYSDEN_LIB_BINDIR=/usr/lib/xcrysden
export XCRYSDEN_TOPDIR
export XCRYSDEN_LIB_BINDIR
. $XCRYSDEN_TOPDIR/scripts/pwo2xsf.sh
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