games/wtf/wtf

   1 #!/bin/sh
   2 #
   3 #       $NetBSD: wtf,v 1.14 2007/01/24 13:17:42 hubertf Exp $
   4 #
   5 # Public domain
   6 #
   7
   8 PROGNAME=`basename $0`
   9
  10 usage() {
  11         echo "usage: $PROGNAME [-f dbfile] [is] <acronym>"
  12         exit 1
  13 }
  14
  15 acronyms=${ACRONYMDB:-`ls /usr/share/misc/acronyms* 2>/dev/null`}
  16
  17 if [ "$acronyms" = "" ]; then
  18         echo "$PROGNAME: acronyms database not found!" >&2
  19         exit 1
  20 fi
  21
  22 args=`getopt f: $*`
  23 if [ $? -ne 0 ]; then
  24         usage
  25 fi
  26 set -- $args
  27 while [ $# -gt 0 ]; do
  28         case "$1" in
  29                 -f)
  30                         acronyms=$2; shift
  31                         ;;
  32                 --)
  33                         shift; break
  34                         ;;
  35         esac
  36         shift
  37 done
  38
  39 if [ "$1" = "is" ] ; then
  40         shift
  41 fi
  42
  43 if [ $# -lt 1 ] ; then
  44         usage
  45 fi
  46
  47 for f in $acronyms
  48 do
  49         if [ ! -f $f ]; then
  50                 echo "$PROGNAME: cannot open acronyms database file \`$f'" >&2
  51                 exit 1
  52         fi
  53 done
  54
  55 rv=0
  56 while [ $# -gt 0 ] ; do
  57         # Search acronyms list first
  58         target=`echo $1 | tr '[a-z]' '[A-Z]'`
  59         ans=`fgrep -h $target $acronyms 2>/dev/null \
  60              | sed -ne "\|^$target[[:space:]]|s|^$target[[:space:]]*||p"`
  61         if [ "$ans" != "" ] ; then
  62                 echo "$target: $ans"
  63                 shift ; continue
  64         fi
  65
  66         # Try whatis(1) next
  67         ans=`whatis $1 2>/dev/null`
  68         if [ $? -eq 0 ] ; then
  69                 echo "$ans" | sort -u
  70                 shift ; continue
  71         fi
  72
  73         # Try pkg_info(1) next
  74         ans=`pkg_info -qc $1 2> /dev/null`
  75         if [ $? -eq 0 ] ; then
  76                 echo "$1: $ans"
  77                 shift ; continue
  78         fi
  79
  80         # Try querying pkgsrc's help facility next
  81         if [ -f ../../mk/bsd.pkg.mk ] ; then
  82                 ans=`make help topic="$1"`
  83                 if [ $? -eq 0 ] ; then
  84                         echo "$1: $ans"
  85                         shift ; continue
  86                 fi
  87         fi
  88
  89         # Give up!
  90         echo "$PROGNAME: I don't know what $1 means!" 1>&2
  91         rv=1
  92
  93         shift
  94 done
  95 exit $rv