1 files changed, 66 insertions, 0 deletions
diff --git a/examples/scripts.v2/shprof b/examples/scripts.v2/shprof
new file mode 100644
index 0000000..73a1bb9
--- /dev/null
+++ b/examples/scripts.v2/shprof
@@ -0,0 +1,66 @@
+#! /bin/bash
+#
+# shprof - a line profiler for shell scripts
+#
+# adapted from a similar program included in `The New KornShell' by
+# Bolsky and Korn and posted to usenet by bsh20858@challenger.fhda.edu
+#
+# converted to bash v2 syntax by Chet Ramey
+#
+TMPFILE=${TMP:-/tmp}/shprof$$
+
+trap 'rm -f $TMPFILE' EXIT
+
+errexit()
+{
+	echo $0: "$@" >&2
+	exit 1
+}
+
+# create script with profiling enabled
+cat > $TMPFILE <<- \_EOF_
+	declare -a _line
+	_profend()
+	{
+		case "$1" in
+		/*|./*)	file="$1" ;;
+		*) file=$(type -path "$1") ;;
+		esac
+
+		echo "*** line profile for $file ***"
+		i=1;
+		while read -r && [ $i -le $NLINE ]; do
+			count=${_line[$i]}
+			if [ "$count" -gt 0 ]; then
+				echo "[$count] $i: $REPLY"
+			fi
+			i=$((i + 1))
+		done <$file
+_EOF_
+# make the profiling script remove itself after printing line stats
+echo "rm -f $TMPFILE" >> $TMPFILE
+cat >> $TMPFILE <<- \_EOF_
+	}
+	_command=$1
+	shift
+	i=1
+	NLINE=$(wc -l < "$_command")
+	while [ $i -le $NLINE ]; do
+		_line[$i]=0
+		i=$((i + 1))
+	done
+	unset i
+	trap "_profend ${_command}" EXIT
+	trap '_line[$LINENO]=$((${_line[$LINENO]} + 1))' DEBUG
+	LINENO=0
+_EOF_
+
+case "$1" in
+/*|./*)	file=$1 ;;
+*)	file=$((type -path "$1")) ;;
+esac
+
+cat "${file-$1}" >> $TMPFILE || errexit "${1}: cannot open"
+chmod +x $TMPFILE
+
+exec -a "$file" $TMPFILE "$@"