Use extended regular expressions when invoked as egrep (noted and initial

patch by Charles Steinkuehler).


git-svn-id: svn://busybox.net/trunk/busybox@3601 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 5 insertions, 0 deletions

diff --git a/findutils/grep.c b/findutils/grep.c
index a97a8bbb7..7cd8196fd 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -243,6 +243,11 @@ extern int grep_main(int argc, char **argv)
                 perror_msg_and_die("atexit");
 #endif
 
+#ifdef CONFIG_FEATURE_GREP_EGREP_ALIAS
+        if (strcmp (basename (argv[0]), "egrep") == 0)
+                reflags |= REG_ICASE;
+#endif
+
         /* do normal option parsing */
         while ((opt = getopt(argc, argv, "iHhlnqvsce:f:"
 #ifdef CONFIG_FEATURE_GREP_CONTEXT