1 files changed, 153 insertions, 0 deletions
diff --git a/examples/scripts/shprompt b/examples/scripts/shprompt
new file mode 100755
index 0000000..098c45f
--- /dev/null
+++ b/examples/scripts/shprompt
@@ -0,0 +1,153 @@
+#
+# shprompt -- give a prompt and get an answer satisfying certain criteria
+#
+# shprompt [-dDfFsy] prompt
+#	s = prompt for string
+#	f = prompt for filename
+#	F = prompt for full pathname to a file or directory
+#	d = prompt for a directory name
+#	D = prompt for a full pathname to a directory
+#	y = prompt for y or n answer
+#
+# Chet Ramey
+# chet@ins.CWRU.Edu
+#
+#  Copyright 2002 Chester Ramey
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2, or (at your option)
+#   any later version.
+#
+#   TThis program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software Foundation,
+#   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+type=file
+
+OPTS=dDfFsy
+
+succeed()
+{
+	echo "$1"
+	exit 0
+}
+
+while getopts "$OPTS" c
+do
+	case "$c" in
+	s)	type=string
+		;;
+	f)	type=file
+		;;
+	F)	type=path
+		;;
+	d)	type=dir
+		;;
+	D)	type=dirpath
+		;;
+	y)	type=yesno
+		;;
+	?)	echo "usage: $0 [-$OPTS] prompt" 1>&2
+		exit 2
+		;;
+	esac
+done
+
+if [ "$OPTIND" -gt 1 ] ; then
+	shift $(( $OPTIND - 1 ))
+fi
+
+while :
+do
+	case "$type" in
+	string)
+		echo -n "$1" 1>&2
+		read ans || exit 1
+		if [ -n "$ans" ] ; then
+			succeed "$ans"
+		fi
+		;;
+	file|path)
+		echo -n "$1" 1>&2
+		read ans || exit 1
+		#
+		# use `fn' and eval so that bash will do tilde expansion for
+		# me
+		#
+		eval fn="$ans"
+		case "$fn" in
+		/*)	if test -e "$fn" ; then
+				succeed "$fn"
+			else
+				echo "$0: '$fn' does not exist" 1>&2
+			fi
+			;;
+		*)	if [ "$type" = "path" ] ; then
+				echo "$0: must give full pathname to file" 1>&2
+			else
+				if test -e "$fn" ; then
+					succeed "$fn"
+				else
+					echo "$0: '$fn' does not exist" 1>&2
+				fi
+			fi
+			;;
+		esac
+		;;
+	dir|dirpath)
+		echo -n "$1" 1>&2
+		read ans || exit 1
+		#
+		# use `fn' and eval so that bash will do tilde expansion for
+		# me
+		#
+		eval fn="$ans"
+		case "$fn" in
+		/*)	if test -d "$fn" ; then
+				succeed "$fn"
+			elif test -e "$fn" ; then
+				echo "$0 '$fn' is not a directory" 1>&2
+			else
+				echo "$0: '$fn' does not exist" 1>&2
+			fi
+			;;
+		*)	if [ "$type" = "dirpath" ] ; then
+				echo "$0: must give full pathname to directory" 1>&2
+			else
+				if test -d "$fn" ; then
+					succeed "$fn"
+				elif test -e "$fn" ; then
+					echo "$0 '$fn' is not a directory" 1>&2
+				else
+					echo "$0: '$fn' does not exist" 1>&2
+				fi
+			fi
+			;;
+		esac
+		;;
+	yesno)
+		echo -n "$1" 1>&2
+		read ans || exit 1
+		case "$ans" in
+		y|Y|[yY][eE][sS])
+			succeed "yes"
+			;;
+		n|N|[nN][oO])
+			succeed "no"
+			exit 0
+			;;
+		*)
+			echo "$0: yes or no required" 1>&2
+			;;
+		esac
+		;;
+	esac
+done
+
+exit 1