scripts: run.sh

Makefile

@@ -35,7 +35,7 @@ all: lr
 liblr.a: $(OBJS)
 	$(AR) rc $@ $^
 version.h:
-	./update_ver.sh
+	./scripts/update_ver.sh
 lr: version.h main.o liblr.a
 	$(CC) $(filter-out %.h, $^) -o $@ $(LDFLAGS)
 tests_i386: lr tests/i386/bin $(addprefix tests/i386/bin/, $(TESTS_i386)) $(addprefix tests/i386/bin/, $(TESTS_i386)) FORCE

scripts/run.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# Run executable file found in
+# $PATH or local directory, then
+# print return code
+#
+# Use by sourcing this file (`. run.sh`)
+
+# alias r=run
+
+fixvars()
+{
+	IFS="$OIFS"
+	PATH="$OPATH"
+}
+
+run()
+{
+	OIFS="$IFS"
+	OPATH="$PATH"
+
+	if [ "$1" = '' ]; then
+		echo "usage: run CMD"
+		return 1
+	fi
+
+	PATH="$PATH:./"
+	IFS=':'
+
+	for p in $PATH; do
+		if [ -e "$p/$1" ]; then
+			"$p"/$*;echo $?
+			fixvars
+			return 0
+		fi
+	done
+
+	echo "error: cannot find $1"
+	fixvars
+	return 1
+}