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authorGravatar Matt Kraai <kraai@debian.org>2001-10-29 15:49:03 +0000
committerGravatar Matt Kraai <kraai@debian.org>2001-10-29 15:49:03 +0000
commit999623e9736d21177d1f437679b334e0347a6e0f (patch)
treef49f55887c6de8c9ced3458ac1a2d981a5e3f374 /findutils
parentb5f2516e3fc2398462a136a69a5f6120cf23b5f4 (diff)
downloadbusybox-999623e9736d21177d1f437679b334e0347a6e0f.tar.gz
busybox-999623e9736d21177d1f437679b334e0347a6e0f.tar.bz2
Use extended regular expressions when invoked as egrep (noted and initial
patch by Charles Steinkuehler).
Diffstat (limited to 'findutils')
-rw-r--r--findutils/config.in3
-rw-r--r--findutils/grep.c5
2 files changed, 8 insertions, 0 deletions
diff --git a/findutils/config.in b/findutils/config.in
index 8e41bd50c..21e368047 100644
--- a/findutils/config.in
+++ b/findutils/config.in
@@ -8,6 +8,9 @@ comment 'Finding Utilities'
bool 'find' CONFIG_FIND
bool 'grep' CONFIG_GREP
+if [ "$CONFIG_GREP" = "y" ] ; then
+ bool ' egrep alias' CONFIG_FEATURE_GREP_EGREP_ALIAS
+fi
bool 'which' CONFIG_WHICH
bool 'xargs' CONFIG_XARGS
endmenu
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