From bc2ddc0408e47cbc12b0f7d0c0abae943fc74b83 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Wed, 30 Dec 2020 16:24:59 -0800
Subject: Print filenames when replacing in-place

---
 bpeg.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bpeg.c b/bpeg.c
index 8c5f44a..438c302 100644
--- a/bpeg.c
+++ b/bpeg.c
@@ -99,10 +99,11 @@ static int run_match(grammar_t *g, const char *filename, vm_op_t *pattern, unsig
                    0, f->end - f->contents);
             json_match(f->contents, m, (flags & BPEG_VERBOSE) ? 1 : 0);
             printf("]}}\n");
-        } else if (flags & BPEG_INPLACE) {
+        } else if (flags & BPEG_INPLACE && filename) {
             FILE *out = fopen(filename, "w");
             print_match(out, f, m, 0);
             fclose(out);
+            printf("%s\n", filename);
         } else {
             if (printed_matches > 1)
                 fputc('\n', stdout);
-- 
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