eget: no need for explicit '-' param, if stdin is a pipe

2013-12-14 13:53:34 +01:00
parent 941e2deb93
commit 6aeaadd240
1 changed files with 11 additions and 2 deletions
--- a/testApp/remote/eget.cpp
+++ b/testApp/remote/eget.cpp
@@ -1572,8 +1572,17 @@ int main (int argc, char *argv[])
    }
    else if (nPvs < 1 && !serviceRequest && !read_stdin)
    {
-        fprintf(stderr, "No PV name(s) specified. ('eget -h' for help.)\n");
-        return 1;
+        // 0 is fd for stdin
+        // if there is a pipe, automatically set read_stdin
+        if (!isatty(0))
+        {
+            read_stdin = true;
+        }
+        else
+        {
+            fprintf(stderr, "No PV name(s) specified. ('eget -h' for help.)\n");
+            return 1;
+        }
    }
    
    // only one pv, arguments provided without serviceRequest switch