egrep -> grep -E

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259

tests/zfs-tests/tests/functional/acl/acl_common.kshlib

@@ -403,8 +403,7 @@ function get_xattr #<obj>
 		return 1
 	fi
 
-	for xattr in `runat $obj ls | \
-		grep -E -v -e SUNWattr_ro -e SUNWattr_rw` ; do
+	for xattr in $(runat $obj ls | grep -v 'SUNWattr_r[ow]'); do
 		runat $obj cksum $xattr
 	done
 }

tests/zfs-tests/tests/functional/acl/posix/posix_001_pos.ksh

@@ -57,7 +57,7 @@ log_onexit cleanup
 log_note "Testing access to FILE"
 log_must touch $TESTDIR/file.0
 log_must setfacl -m g:$ZFS_ACL_STAFF_GROUP:rw $TESTDIR/file.0
-getfacl $TESTDIR/file.0 2> /dev/null | egrep -q \
+getfacl $TESTDIR/file.0 2> /dev/null | grep -q \
     "^group:$ZFS_ACL_STAFF_GROUP:rw-$"
 if [ "$?" -eq "0" ]; then
 	# Should be able to write to file
@@ -75,7 +75,7 @@ if [ "$?" -eq "0" ]; then
 		log_note "expected mask drwxrw----+ but found $msk"
 		log_fail "Expected permissions were not set."
 	fi
-	getfacl $TESTDIR/dir.0 2> /dev/null | egrep -q \
+	getfacl $TESTDIR/dir.0 2> /dev/null | grep -q \
 	    "^group:$ZFS_ACL_STAFF_GROUP:rw-$"
 	if [ "$?" -ne "0" ]; then
 		acl=$(getfacl $TESTDIR/dir.0 2> /dev/null)

tests/zfs-tests/tests/functional/acl/posix/posix_002_pos.ksh

@@ -58,7 +58,7 @@ if ! ls -l $TESTDIR | grep "dir.0" | grep -q "drwx-wx---+"; then
 	log_note "expected mask drwx-wx---+ but found $msk"
 	log_fail "Expected permissions were not set."
 fi
-getfacl $TESTDIR/dir.0 2> /dev/null | egrep -q \
+getfacl $TESTDIR/dir.0 2> /dev/null | grep -q \
     "^group:$ZFS_ACL_STAFF_GROUP:-wx$"
 if [ "$?" -eq "0" ]; then
 	# Should be able to create file in directory

tests/zfs-tests/tests/functional/acl/posix/posix_003_pos.ksh

@@ -43,16 +43,14 @@ log_note "Testing access to DIRECTORY"
 log_must mkdir $ACLDIR
 log_must setfacl -m g:$ZFS_ACL_STAFF_GROUP:wx $ACLDIR
 log_must setfacl -d -m g:$ZFS_ACL_STAFF_GROUP:wx $ACLDIR
-getfacl $ACLDIR 2> /dev/null | egrep -q "$acl_str1"
-if [ "$?" -eq "0" ]; then
-	getfacl $ACLDIR 2> /dev/null | egrep -q "$acl_str2"
-fi
 
-if [ "$?" -eq "0" ]; then
+if getfacl $ACLDIR 2> /dev/null | grep -q "$acl_str1" &&
+	getfacl $ACLDIR 2> /dev/null | grep -q "$acl_str2"
+then
 	log_must zfs unmount $TESTPOOL/$TESTFS
 	log_must zfs mount $TESTPOOL/$TESTFS
-	log_must eval "getfacl $ACLDIR 2> /dev/null | egrep -q \"$acl_str1\""
-	log_must eval "getfacl $ACLDIR 2> /dev/null | egrep -q \"$acl_str2\""
+	log_must eval "getfacl $ACLDIR 2> /dev/null | grep -q \"$acl_str1\""
+	log_must eval "getfacl $ACLDIR 2> /dev/null | grep -q \"$acl_str2\""
 	log_pass "POSIX ACLs survive remount"
 else
 	log_fail "Group '$ZFS_ACL_STAFF_GROUP' does not have 'rwx'"

tests/zfs-tests/tests/functional/cli_root/zdb/zdb_block_size_histogram.ksh

@@ -115,8 +115,7 @@ function histo_populate_test_pool
 			    of=/${pool}/B_${this_rs}/file_${filenum} \
 			    bs=${this_rs} count=${thiscount} \
 			    iflag=fullblock 2>&1 | \
-			    egrep -v -e "records in" -e "records out" \
-				-e "bytes.*copied"
+			    grep -ve "records in" -e "records out" -e "bytes.*copied"
 			((filenum+=1))
 		done
 	done

tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_neg.ksh

@@ -65,7 +65,7 @@ done
 
 # Specifying a non-existent object identifier returns an error
 obj_id_highest=$(zdb -P -dd $TESTPOOL/$TESTFS 2>/dev/null |
-    egrep "^ +-?([0-9]+ +){7}" | sort -n | awk 'END {print $1}')
+    grep -E "^ +-?([0-9]+ +){7}" | sort -n | awk 'END {print $1}')
 obj_id_invalid=$(( $obj_id_highest + 1 ))
 log_mustnot zdb -dd $TESTPOOL/$TESTFS $obj_id_invalid
 

tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_pos.ksh

@@ -60,8 +60,7 @@ function get_object_list_range
 function get_object_list
 {
 	zdb -P -dd $@ 2>/dev/null |
-	egrep "^ +-?([0-9]+ +){7}" |
-	sed 's/^[[:space:]]*//' |
+	sed -E '/^ +-?([0-9]+ +){7}/!d;s/^[[:space:]]*//' |
 	sort -n
 }
 

tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_009_pos.ksh

@@ -39,7 +39,7 @@
 # STRATEGY:
 #	1. Create a multiple depth filesystem.
 #	2. 'zfs get -d <n>' to get the output.
-#	3. 'zfs get -r|egrep' to get the expected output.
+#	3. 'zfs get -r|grep' to get the expected output.
 #	4. Compare the two outputs, they should be same.
 #
 
@@ -86,7 +86,7 @@ for dp in ${depth_array[@]}; do
 	done
 	for prop in $(gen_option_str "${all_props[*]}" "" "," $prop_numb); do
 		log_must eval "zfs get -H -d $dp -o name $prop $DEPTH_FS > $DEPTH_OUTPUT"
-		log_must eval "zfs get -rH -o name $prop $DEPTH_FS | egrep -e '$eg_opt' > $EXPECT_OUTPUT"
+		log_must eval "zfs get -rH -o name $prop $DEPTH_FS | grep -E '$eg_opt' > $EXPECT_OUTPUT"
 		log_must diff $DEPTH_OUTPUT $EXPECT_OUTPUT
 	done
 	(( old_val=dp ))

tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import.kshlib

@@ -180,7 +180,7 @@ function _translate_vdev
 	#
 	typeset keywords="mirror replacing raidz1 raidz2 raidz3 indirect draid1 draid2 draid3"
 	for word in $keywords; do
-		echo $vdev | egrep -qE \
+		echo $vdev | grep -qE \
 		    "^${word}-[0-9]+\$|^${word}:[0-9]+d:[0-9]c:[0-9]+s-[0-9]+\$"
 		if [[ $? -eq 0 ]]; then
 			vdev=$word

tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_initialized.ksh

@@ -76,7 +76,7 @@ while read -r offset size; do
 	# Note we use '-t x4' instead of '-t x8' here because x8 is not
 	# a supported format on FreeBSD.
 	dd if=$SMALLFILE skip=$((offset / bs)) count=$((size / bs)) bs=$bs |
-	    od -t x4 -Ad | egrep -q "deadbeef +deadbeef +deadbeef +deadbeef" ||
+	    od -t x4 -Ad | grep -qE "deadbeef +deadbeef +deadbeef +deadbeef" ||
 	    log_fail "Pattern not found in metaslab free space"
 done
 

tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_007_pos.ksh

@@ -37,7 +37,7 @@
 #
 # STRATEGY:
 #	1. 'zfs list -d <n>' to get the output.
-#	2. 'zfs list -r|egrep' to get the expected output.
+#	2. 'zfs list -r|grep' to get the expected output.
 #	3. Compare the two outputs, they should be same.
 #
 
@@ -50,8 +50,7 @@ fi
 
 function cleanup
 {
-	log_must rm -f $DEPTH_OUTPUT
-	log_must rm -f $EXPECT_OUTPUT
+	log_must rm -f $DEPTH_OUTPUT $EXPECT_OUTPUT
 }
 
 log_onexit cleanup
@@ -76,10 +75,10 @@ for dp in ${depth_array[@]}; do
 			log_must eval "zfs list -H -d $dp -o name -t ${fs_type[$fs]} $DEPTH_FS > $DEPTH_OUTPUT"
 			[[ -s "$DEPTH_OUTPUT" ]] && \
 				log_fail "$DEPTH_OUTPUT should be null."
-			log_mustnot zfs list -rH -o name -t ${fs_type[$fs]} $DEPTH_FS | egrep -e '$eg_opt'
+			log_mustnot zfs list -rH -o name -t ${fs_type[$fs]} $DEPTH_FS | grep -E "$eg_opt"
 		else
 			log_must eval "zfs list -H -d $dp -o name -t ${fs_type[$fs]} $DEPTH_FS > $DEPTH_OUTPUT"
-			log_must eval "zfs list -rH -o name -t ${fs_type[$fs]} $DEPTH_FS | egrep -e '$eg_opt' > $EXPECT_OUTPUT"
+			log_must eval "zfs list -rH -o name -t ${fs_type[$fs]} $DEPTH_FS | grep -E '$eg_opt' > $EXPECT_OUTPUT"
 			log_must diff $DEPTH_OUTPUT $EXPECT_OUTPUT
 		fi
 		(( fs+=1 ))

tests/zfs-tests/tests/functional/fault/auto_online_001_pos.ksh

@@ -134,9 +134,8 @@ do
 		((timeout++))
 
 		sleep 1
-		zpool events $TESTPOOL \
-		    | egrep sysevent.fs.zfs.resilver_finish > /dev/null
-		if (($? == 0)); then
+		if zpool events $TESTPOOL \
+		    | grep -qF sysevent.fs.zfs.resilver_finish; then
 			log_note "Auto-online of $offline_disk is complete"
 			sleep 1
 			break

tests/zfs-tests/tests/functional/redundancy/redundancy.kshlib

@@ -221,7 +221,7 @@ function is_data_valid
 	log_must zpool scrub -w $pool
 
 	record_data $pool $PST_RECORD_FILE
-	if ! diff $PRE_RECORD_FILE $PST_RECORD_FILE > /dev/null 2>&1; then
+	if ! cmp $PRE_RECORD_FILE $PST_RECORD_FILE > /dev/null; then
 		log_must cat $PRE_RECORD_FILE
 		log_must cat $PST_RECORD_FILE
 		diff -u $PRE_RECORD_FILE $PST_RECORD_FILE
@@ -242,8 +242,8 @@ function get_vdevs #pool cnt
 	typeset pool=$1
 	typeset -i cnt=$2
 
-	typeset all_devs=$(zpool iostat -v $pool | awk '{print $1}'| \
-		egrep -ve "^pool$|^capacity$|^mirror\-[0-9]$|^raidz[1-3]\-[0-9]$|^draid[1-3].*\-[0-9]$|---" | \
+	typeset all_devs=$(zpool iostat -v $pool | awk '{print $1}' | \
+		grep -vEe "^pool$|^capacity$|^mirror\-[0-9]$|^raidz[1-3]\-[0-9]$|^draid[1-3].*\-[0-9]$|---" \
 		-e "/old$|^$pool$")
 	typeset -i i=0
 	typeset vdevs