main: Print how many entries we have read from the meter

This makes it easier for an inpatient user to wait until all the
readings have been taken out from the device.

Signed-off-by: Timo Kokkonen <kaapeli@itanic.dy.fi>

diff --git a/main.c b/main.c
index 888c33965a2b28e9de9fac1f469dfe2231d0532d..6e876025aad2f814d576be8a73830856f9160c9f 100644 (file)
--- a/main.c
+++ b/main.c
@@ -19,6 +19,7 @@ int main(int argc, char *argv[])
        struct user_options opts;
        struct msg msg;
        int fd, usage_code, ret, error;
+       int entries = 0;
 
        read_args(argc, argv, &opts);
 
@@ -56,7 +57,14 @@ int main(int argc, char *argv[])
                        break;
 
                fprintf(outf, "%s\n", msg.data);
+
+               entries++;
+               if (outf != stdout) {
+                       trace(0, "\r%d", entries);
+                       fflush(stdout);
+               }
        }
+       trace(0, "\n");
 
        return 0;
 }