From fccb30965075ce7ec03072acaa9000980e9a0d1c Mon Sep 17 00:00:00 2001
From: jmmv <jmmv@NetBSD.org>
Date: Thu, 10 Apr 2003 09:18:24 +0000
Subject: Implement the `-f' command line option to specify which acronyms
 database to use.  Overrides ACRONYMDB's value, if given.

---
 wtf/wtf   | 31 +++++++++++++++++++++++++++++--
 wtf/wtf.6 | 13 +++++++++++--
 2 files changed, 40 insertions(+), 4 deletions(-)

diff --git a/wtf/wtf b/wtf/wtf
index 92393e7c..b1c63546 100644
--- a/wtf/wtf
+++ b/wtf/wtf
@@ -1,18 +1,45 @@
 #!/bin/sh
 #
-#	$NetBSD: wtf,v 1.8 2003/02/06 15:17:01 salo Exp $
+#	$NetBSD: wtf,v 1.9 2003/04/10 09:18:24 jmmv Exp $
 #
 # Public domain
 #
 
+usage() {
+	echo "usage: `basename $0` [-f dbfile] [is] <acronym>"
+	exit 1
+}
+
 acronyms=${ACRONYMDB:-/usr/share/misc/acronyms}
 
+args=`getopt f: $*`
+if [ $? -ne 0 ]; then
+	usage
+fi
+set -- $args
+while [ $# -gt 0 ]; do
+	case "$1" in
+		-f)
+			acronyms=$2; shift
+			;;
+		--)
+			shift; break
+			;;
+	esac
+	shift
+done
+
 if [ X"$1" = X"is" ] ; then
 	shift
 fi
 
 if [ $# -lt 1 ] ; then
-	echo "Usage: `basename $0` [is] <acronym>"
+	usage
+fi
+
+if [ ! -f $acronyms ]; then
+	echo "wtf: cannot open acronyms database file \`$acronyms'"
+	exit 1
 fi
 
 rv=0
diff --git a/wtf/wtf.6 b/wtf/wtf.6
index 622e393e..b93e4955 100644
--- a/wtf/wtf.6
+++ b/wtf/wtf.6
@@ -1,8 +1,8 @@
-.\"	$NetBSD: wtf.6,v 1.5 2002/09/26 16:12:44 wiz Exp $
+.\"	$NetBSD: wtf.6,v 1.6 2003/04/10 09:18:24 jmmv Exp $
 .\"
 .\" Public Domain
 .\"
-.Dd July 21, 1999
+.Dd April 9, 2003
 .Dt WTF 6
 .Os
 .Sh NAME
@@ -10,6 +10,7 @@
 .Nd translates acronyms for you
 .Sh SYNOPSIS
 .Nm
+.Op Fl f Ar dbfile
 .Op Ar is
 .Ar acronym Ar ...
 .Sh DESCRIPTION
@@ -29,6 +30,14 @@ is specified on the command line, it will be ignored, allowing the
 fairly natural
 .Dq wtf is WTF
 usage.
+.Pp
+The following options are available:
+.Bl -tag -width flag
+.It Fl f Ar dbfile
+Overrides the default acronym database, bypassing the value of the
+.Ev ACRONYMDB
+variable.
+.El
 .Sh ENVIRONMENT
 .Bl -tag -width ACRONYMDB
 .It Ev ACRONYMDB
-- 
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