/usr/bin/wvAbw is in wv 1.2.9-3.
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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143  | #!/bin/sh
wv_script_name="$0"
prefix=/usr
exec_prefix=
datadir=
t_dir=.
wv_opts=
i_file=
o_file=
print_help=no
while test $# -gt 0; do
  case "$1" in
  -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
  *) optarg= ;;
  esac
  case $1 in
    --prefix=*)
      prefix=$optarg
      ;;
    --exec-prefix=*)
      exec_prefix=$optarg
      ;;
    --datadir=*)
      datadir=$optarg
      ;;
    --targetdir=*)
      t_dir=$optarg
      ;;
    --charset=* | --password=*)
      wv_opts="$wv_opts $1"
      ;;
    -v | --version)
      echo 1.2.9
      exit 0
      ;;
    -\? | -h | --help)
      cat << EOF
Usage: $wv_script_name [OPTIONS] <input-file> <output-file>
Options:
      --prefix=<DIR>        Set prefix (default is /usr)
      --exec-prefix=<DIR>   Set exec_prefix (default is ${prefix})
      --datadir=<DIR>       Set datadir (default is ${prefix}/share)
      --targetdir=<DIR>     Target directory (target is <DIR>/<output-file>)
      --charset=<charset>   Specify an iconv charset encoding
      --password=<password> Specify password for encrypted
  -v, --version             Print version info and exit
Authors:
  Dom Lachowicz (dominicl@seas.upenn.edu)
  Caolan McNamara (original author)
Visit http://www.wvware.com/
EOF
      exit 0
      ;;
    -?*)
      echo "Option '$1' not recognized."
      exit 1
      ;;
    *)
      if test "x$i_file" = "x"; then
        i_file=$1
      elif test "x$o_file" = "x"; then
        o_file=$1
      else
        echo "Option '$1' not recognized."
        exit 1
      fi
      ;;
  esac
  shift
done
if test "x$i_file" = "x-"; then
  echo "error: cannot specify '-' as input"
  exit 1
fi
if test -r "$i_file"; then
  okay=yes
else
  echo "error: '$i_file' unreadable"
  exit 1
fi
if test "x$o_file" = "x"; then
  echo "Usage: $1 [OPTIONS] <input-file> <output-file>"
  exit 1
fi
name=`basename "$o_file"`
if test "x$o_file" != "x$name"; then
  echo "* * * Better to use '--targetdir' for writing in another directory * * *"
  exit 1
fi
name=`echo $name | sed 's/\.[^\.]*$//'`
if test "x$exec_prefix" = "x"; then
  exec_prefix=${prefix}
fi
wv_exec="$exec_prefix/bin/wvWare"
if test -x "$wv_exec"; then
  okay=yes
else
  wv_version=`wvWare -v 2>&1 | cut -f 2 -d " "`
  if test "x$wv_version" = "x1.2.9"; then
    wv_exec="wvWare"
  else
    echo "error: no executable at '$wv_exec' or in path"
    exit 1
  fi
fi
if test "x$datadir" = "x"; then
  datadir=${prefix}/share
fi
xmlcfg="$datadir/wv/wvAbw.xml"
if test -r "$xmlcfg"; then
  okay=yes
else
  echo "error: '$xmlcfg' unreadable"
  exit 1
fi
if test -d "$t_dir"; then
  if test -w "$t_dir"; then
    okay=yes
  else
    echo "error: '$t_dir' is not writable"
    exit 1
  fi
else
  echo "error: '$t_dir' is not a directory"
  exit 1
fi
if test "x$o_file" = "x-"; then
  "$wv_exec" $wv_opts -x "$xmlcfg" -d "$t_dir" -b "$name" "$i_file"
else
  "$wv_exec" $wv_opts -x "$xmlcfg" -d "$t_dir" -b "$name" "$i_file" > "$t_dir"/"$o_file"
fi
 |