helper

3 files changed, 23 insertions, 1 deletions

diff --git a/.gitignore b/.gitignore
index 59c0d35..d448e21 100644
--- a/.gitignore
+++ b/.gitignore
@@ -74,3 +74,4 @@ myspin
 mysplit
 mystop
 tsh
+output
diff --git a/Makefile b/Makefile
index 7e3c0ea..051dbaa 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ CXX = g++
 CXXFLAGS = -std=c++17 -Wall -Wno-write-strings -O2
 CC = gcc
 CFLAGS = -Wall -O2
-FILES = $(TSH) ./myspin ./mysplit ./mystop ./myint
+FILES = $(TSH) ./myspin ./mysplit ./mystop ./myint ./output
 
 all: $(FILES)
 
diff --git a/output.c b/output.c
new file mode 100644
index 0000000..bba2760
--- /dev/null
+++ b/output.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv) 
+{
+    int i, secs;
+
+    if (argc != 2) {
+	fprintf(stderr, "Usage: %s <n>\n", argv[0]);
+	exit(0);
+    }
+    secs = atoi(argv[1]);
+    for (i=0; i < secs; i++)
+    {
+        printf("%d\n", i);
+        fflush(stdout);
+	    sleep(1);
+    }
+    exit(0);
+}