A patch from Erik Meusel <erik@wh58-709.st.uni-magdeburg.de>

to fix the behavior of 'tail -f -n 0 FILE'

2 files changed, 8 insertions, 0 deletions

diff --git a/coreutils/tail.c b/coreutils/tail.c
index 4fe92ba5e..90cc2a6ef 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -127,6 +127,10 @@ int tail_main(int argc, char **argv)
         for (i = 0; i < nfiles; i++) {
                 if (fds[i] == -1)
                         continue;
+                if (!count) {
+                        lseek(fds[i], 0, SEEK_END);
+                        continue;
+                }
                 seen = 0;
                 if (show_headers || (!hide_headers && nfiles > 1))
                         printf("%s==> %s <==\n", i == 0 ? "" : "\n", argv[optind + i]);
diff --git a/tail.c b/tail.c
index 4fe92ba5e..90cc2a6ef 100644
--- a/tail.c
+++ b/tail.c
@@ -127,6 +127,10 @@ int tail_main(int argc, char **argv)
         for (i = 0; i < nfiles; i++) {
                 if (fds[i] == -1)
                         continue;
+                if (!count) {
+                        lseek(fds[i], 0, SEEK_END);
+                        continue;
+                }
                 seen = 0;
                 if (show_headers || (!hide_headers && nfiles > 1))
                         printf("%s==> %s <==\n", i == 0 ? "" : "\n", argv[optind + i]);