Prefer grep -E/-F to egrep/fgrep

[gnu-emacs] / lib-src / etags.c

diff --git a/lib-src/etags.c b/lib-src/etags.c
index 01e230206ac8419e6b9e31e03f00955a88b39f06..e8b71e6b96a3119ebace66cec8c25488279024ab 100644 (file)
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -1343,7 +1343,7 @@ main (int argc, char **argv)
     {
       char *cmd =
        xmalloc (strlen (tagfile) + whatlen_max +
-                sizeof "mv..OTAGS;fgrep -v '\t\t' OTAGS >;rm OTAGS");
+                sizeof "mv..OTAGS;grep -Fv '\t\t' OTAGS >;rm OTAGS");
       for (i = 0; i < current_arg; ++i)
        {
          switch (argbuffer[i].arg_type)
@@ -1356,7 +1356,7 @@ main (int argc, char **argv)
            }
          char *z = stpcpy (cmd, "mv ");
          z = stpcpy (z, tagfile);
-         z = stpcpy (z, " OTAGS;fgrep -v '\t");
+         z = stpcpy (z, " OTAGS;grep -Fv '\t");
          z = stpcpy (z, argbuffer[i].what);
          z = stpcpy (z, "\t' OTAGS >");
          z = stpcpy (z, tagfile);