/usr/lib/radare/bin/add is in radare-common 1:1.5.2-6.
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 | #!/bin/sh
#
# TODO: check Fx - not yet supported
#
if [ -z "$2" ]; then
echo "Usage: add [value] [value]"
exit 1
fi
rax $((`rax $1` + `rax $2`))
|