/usr/lib/keyringer/actions/preferences is in keyringer 0.3.7-1+deb8u1.
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 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40  | #!/bin/bash
#
# Manipulate user preferences.
#
# Load functions
LIB="`dirname $0`/../functions"
source "$LIB" || exit 1
# Options
COMMAND="$2"
# Syntax check
if [ -z "$COMMAND" ]; then
  echo "Usage: keyringer <keyring> preferences <command> [arguments]"
  echo "Available commands:"
  echo "	ls"
  echo "	edit"
  echo "	add"
  exit 1
fi
# Create options file if old repository
if [ ! -e "$PREFERENCES" ]; then
  echo "Creating preferences file..."
  touch "$PREFERENCES"
fi
# Dispatch
if [ "$COMMAND" == "ls" ]; then
  cat "$PREFERENCES"
elif [ "$COMMAND" == "edit" ]; then
  "$EDITOR" "$PREFERENCES"
elif [ "$COMMAND" == "add" ]; then
  shift 2
  [[ -n $* ]] && echo $* >> "$PREFERENCES"
else
  printf "%s: No such command %s\n" "$BASENAME" "$COMMAND"
  exit 1
fi
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