commit a57177980a05f0f84bf290ab7b68f73c0f78053f
Author: Martin Liška <mliska@suse.cz>
Date:   Wed Sep 7 21:55:03 2022 +0200

    Use grep -E instead of egrep.
    
    egrep is obsoleted starting with GNU Grep 3.8.

diff --git a/contrib/bytes-per-die.sh b/contrib/bytes-per-die.sh
index 969f733..fda8998 100755
--- a/contrib/bytes-per-die.sh
+++ b/contrib/bytes-per-die.sh
@@ -3,7 +3,7 @@
 f="$1"
 
 size=$(readelf -WS "$f" \
-	   | egrep "[ \t]\.debug_info" \
+	   | grep -E "[ \t]\.debug_info" \
 	   | sed 's/.*\.debug_info//' \
 	   | awk '{print $4}')
 size=$((16#$size))
diff --git a/testsuite/dwz.tests/two-files-low-mem-die-limit-0.sh b/testsuite/dwz.tests/two-files-low-mem-die-limit-0.sh
index a3395a7..ee31359 100644
--- a/testsuite/dwz.tests/two-files-low-mem-die-limit-0.sh
+++ b/testsuite/dwz.tests/two-files-low-mem-die-limit-0.sh
@@ -7,7 +7,7 @@
     1 2 \
     2> dwz.err
 
-if egrep -q "Compressing (1|2)$" dwz.err; then
+if grep -Eq "Compressing (1|2)$" dwz.err; then
     exit 1
 fi