idevicesyslog: Add command line switch --no-colors to disable colored output

2 files changed, 10 insertions, 1 deletions

diff --git a/docs/idevicesyslog.1 b/docs/idevicesyslog.1
index fce1ff5..b7bc04f 100644
--- a/docs/idevicesyslog.1
+++ b/docs/idevicesyslog.1
@@ -25,6 +25,9 @@ enable communication debugging
 .TP
 .B \-h, \-\-help
 prints usage information
+.TP
+.B \-\-no\-colors
+disable colored output
 
 .SH FILTER OPTIONS
 .TP
diff --git a/tools/idevicesyslog.c b/tools/idevicesyslog.c
index 5d5a639..bd692cd 100644
--- a/tools/idevicesyslog.c
+++ b/tools/idevicesyslog.c
@@ -526,6 +526,7 @@ static void print_usage(int argc, char **argv, int is_error)
           "  -x, --exit       exit when device disconnects\n" \
           "  -h, --help       prints usage information\n" \
           "  -d, --debug      enable communication debugging\n" \
+          " --no-colors       disable colored output\n" \
           "\n" \
           "FILTER OPTIONS:\n" \
           "  -m, --match STRING     only print messages that contain STRING\n" \
@@ -553,6 +554,7 @@ int main(int argc, char *argv[])
                 COLOR_RESET = csbi.wAttributes;
         }
 #endif
+        int no_colors = 0;
         int include_filter = 0;
         int exclude_filter = 0;
         int include_kernel = 0;
@@ -573,6 +575,7 @@ int main(int argc, char *argv[])
                 { "kernel", no_argument, NULL, 'k' },
                 { "no-kernel", no_argument, NULL, 'K' },
                 { "quiet-list", no_argument, NULL, 1 },
+                { "no-colors", no_argument, NULL, 2 },
                 { NULL, 0, NULL, 0}
         };
 
@@ -682,6 +685,9 @@ int main(int argc, char *argv[])
                         printf("%s\n", QUIET_FILTER);
                         return 0;
                 }
+                case 2:
+                        no_colors = 1;
+                        break;
                 default:
                         print_usage(argc, argv, 1);
                         return 2;
@@ -733,7 +739,7 @@ int main(int argc, char *argv[])
         argc -= optind;
         argv += optind;
 
-        if (isatty(1)) {
+        if (!no_colors && isatty(1)) {
                 use_colors = 1;
         }