Replace

  [[ -n $(foo | grep 'bar') ]]
with
  foo | grep -q 'bar'

OK halex@ krw@

8 files changed, 31 insertions, 31 deletions

diff --git a/distrib/amd64/common/install.md b/distrib/amd64/common/install.md
index c8a8738b9c3..99332b6908a 100644
--- a/distrib/amd64/common/install.md
+++ b/distrib/amd64/common/install.md
@@ -1,4 +1,4 @@
-#	$OpenBSD: install.md,v 1.39 2015/05/31 19:40:10 rpe Exp $
+#	$OpenBSD: install.md,v 1.40 2015/06/02 19:39:18 rpe Exp $
 #
 #
 # Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -51,9 +51,9 @@ md_prep_fdisk() {
 
 	while :; do
 		_d=whole
-		if [[ -n $(fdisk $_disk | grep 'Signature: 0xAA55') ]]; then
+		if fdisk $_disk | grep -q 'Signature: 0xAA55'; then
 			fdisk $_disk
-			if [[ -n $(fdisk $_disk | grep '^..: A6 ') ]]; then
+			if fdisk $_disk | grep -q '^..: A6 '; then
 				_q=", use the (O)penBSD area,"
 				_d=OpenBSD
 			fi
@@ -84,7 +84,7 @@ must be marked as the only active partition.  Inside the fdisk command, the
 $(fdisk ${_disk})
 __EOT
 			fdisk -e ${_disk}
-			[[ -n $(fdisk $_disk | grep ' A6 ') ]] && return
+			fdisk $_disk | grep -q ' A6 ' && return
 			echo No OpenBSD partition in MBR, try again. ;;
 		o*|O*)	return ;;
 		esac
diff --git a/distrib/armish/ramdisk/install.md b/distrib/armish/ramdisk/install.md
index 98c40d9eb6d..1ec4072be12 100644
--- a/distrib/armish/ramdisk/install.md
+++ b/distrib/armish/ramdisk/install.md
@@ -1,4 +1,4 @@
-#	$OpenBSD: install.md,v 1.18 2015/05/31 19:40:10 rpe Exp $
+#	$OpenBSD: install.md,v 1.19 2015/06/02 19:39:18 rpe Exp $
 #
 #
 # Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -40,9 +40,9 @@ md_prep_fdisk() {
 
 	while :; do
 		_d=whole
-		if [[ -n $(fdisk $_disk | grep 'Signature: 0xAA55') ]]; then
+		if fdisk $_disk | grep -q 'Signature: 0xAA55'; then
 			fdisk $_disk
-			if [[ -n $(fdisk $_disk | grep '^..: A6 ') ]]; then
+			if fdisk $_disk | grep -q '^..: A6 '; then
 				_q=", use the (O)penBSD area,"
 				_d=OpenBSD
 			fi
@@ -73,7 +73,7 @@ must be marked as the only active partition.  Inside the fdisk command, the
 $(fdisk ${_disk})
 __EOT
 			fdisk -e ${_disk}
-			[[ -n $(fdisk $_disk | grep ' A6 ') ]] && return
+			fdisk $_disk | grep -q ' A6 ' && return
 			echo No OpenBSD partition in MBR, try again. ;;
 		o*|O*)	return ;;
 		esac
diff --git a/distrib/armv7/ramdisk/install.md b/distrib/armv7/ramdisk/install.md
index a70e1c02d9b..1d5e2a2f50b 100644
--- a/distrib/armv7/ramdisk/install.md
+++ b/distrib/armv7/ramdisk/install.md
@@ -1,4 +1,4 @@
-#	$OpenBSD: install.md,v 1.10 2015/06/02 01:48:25 jsg Exp $
+#	$OpenBSD: install.md,v 1.11 2015/06/02 19:39:19 rpe Exp $
 #
 #
 # Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -136,7 +136,7 @@ md_prep_fdisk() {
 
 	while :; do
 		_d=whole
-		if [[ -n $(fdisk $_disk | grep 'Signature: 0xAA55') ]]; then
+		if fdisk $_disk | grep -q 'Signature: 0xAA55'; then
 			fdisk $_disk
 		else
 			echo "MBR has invalid signature; not showing it."
@@ -180,7 +180,7 @@ at least 16MB and be the first 'MSDOS' partition on the disk.
 $(fdisk ${_disk})
 __EOT
 			fdisk -e ${_disk}
-			[[ -n $(fdisk $_disk | grep ' A6 ') ]] && return
+			fdisk $_disk | grep -q ' A6 ' && return
 			echo No OpenBSD partition in MBR, try again. ;;
 		o*|O*)	return ;;
 		esac
diff --git a/distrib/i386/common/install.md b/distrib/i386/common/install.md
index f318e899d5e..f86fe24ceec 100644
--- a/distrib/i386/common/install.md
+++ b/distrib/i386/common/install.md
@@ -1,4 +1,4 @@
-#	$OpenBSD: install.md,v 1.62 2015/05/31 19:40:10 rpe Exp $
+#	$OpenBSD: install.md,v 1.63 2015/06/02 19:39:19 rpe Exp $
 #
 #
 # Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -51,9 +51,9 @@ md_prep_fdisk() {
 
 	while :; do
 		_d=whole
-		if [[ -n $(fdisk $_disk | grep 'Signature: 0xAA55') ]]; then
+		if fdisk $_disk | grep -q 'Signature: 0xAA55'; then
 			fdisk $_disk
-			if [[ -n $(fdisk $_disk | grep '^..: A6 ') ]]; then
+			if fdisk $_disk | grep -q '^..: A6 '; then
 				_q=", use the (O)penBSD area,"
 				_d=OpenBSD
 			fi
@@ -84,7 +84,7 @@ must be marked as the only active partition.  Inside the fdisk command, the
 $(fdisk ${_disk})
 __EOT
 			fdisk -e ${_disk}
-			[[ -n $(fdisk $_disk | grep ' A6 ') ]] && return
+			fdisk $_disk | grep -q ' A6 ' && return
 			echo No OpenBSD partition in MBR, try again. ;;
 		o*|O*)	return ;;
 		esac
diff --git a/distrib/landisk/ramdisk/install.md b/distrib/landisk/ramdisk/install.md
index 12fbb2f0b4e..b8054a23e1d 100644
--- a/distrib/landisk/ramdisk/install.md
+++ b/distrib/landisk/ramdisk/install.md
@@ -1,4 +1,4 @@
-#	$OpenBSD: install.md,v 1.32 2015/05/31 19:40:10 rpe Exp $
+#	$OpenBSD: install.md,v 1.33 2015/06/02 19:39:19 rpe Exp $
 #
 #
 # Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -44,9 +44,9 @@ md_prep_fdisk() {
 
 	while :; do
 		_d=whole
-		if [[ -n $(fdisk $_disk | grep 'Signature: 0xAA55') ]]; then
+		if fdisk $_disk | grep -q 'Signature: 0xAA55'; then
 			fdisk $_disk
-			if [[ -n $(fdisk $_disk | grep '^..: A6 ') ]]; then
+			if fdisk $_disk | grep -q '^..: A6 '; then
 				_q=", use the (O)penBSD area,"
 				_d=OpenBSD
 			fi
@@ -77,7 +77,7 @@ must be marked as the only active partition.  Inside the fdisk command, the
 $(fdisk ${_disk})
 __EOT
 			fdisk -e ${_disk}
-			[[ -n $(fdisk $_disk | grep ' A6 ') ]] && return
+			fdisk $_disk | grep -q ' A6 ' && return
 			echo No OpenBSD partition in MBR, try again. ;;
 		o*|O*)	return ;;
 		esac
diff --git a/distrib/octeon/ramdisk/install.md b/distrib/octeon/ramdisk/install.md
index 01739ba2d41..3ab20b7a3af 100644
--- a/distrib/octeon/ramdisk/install.md
+++ b/distrib/octeon/ramdisk/install.md
@@ -1,4 +1,4 @@
-#	$OpenBSD: install.md,v 1.8 2015/05/31 19:40:10 rpe Exp $
+#	$OpenBSD: install.md,v 1.9 2015/06/02 19:39:19 rpe Exp $
 #
 #
 # Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -53,9 +53,9 @@ md_prep_fdisk() {
 
 	while :; do
 		_d=whole
-		if [[ -n $(fdisk $_disk | grep 'Signature: 0xAA55') ]]; then
+		if fdisk $_disk | grep -q 'Signature: 0xAA55'; then
 			fdisk $_disk
-			if [[ -n $(fdisk $_disk | grep '^..: A6 ') ]]; then
+			if fdisk $_disk | grep -q '^..: A6 '; then
 				_q=", use the (O)penBSD area,"
 				_d=OpenBSD
 			fi
@@ -101,7 +101,7 @@ at least 16MB and be the first 'MSDOS' partition on the disk.
 $(fdisk ${_disk})
 __EOT
 			fdisk -e ${_disk}
-			[[ -n $(fdisk $_disk | grep ' A6 ') ]] && return
+			fdisk $_disk | grep -q ' A6 ' && return
 			echo No OpenBSD partition in MBR, try again. ;;
 		o*|O*)	return ;;
 		esac
diff --git a/distrib/socppc/ramdisk/install.md b/distrib/socppc/ramdisk/install.md
index 14474fe0ab5..19f2e214275 100644
--- a/distrib/socppc/ramdisk/install.md
+++ b/distrib/socppc/ramdisk/install.md
@@ -1,4 +1,4 @@
-#	$OpenBSD: install.md,v 1.20 2015/05/31 19:40:10 rpe Exp $
+#	$OpenBSD: install.md,v 1.21 2015/06/02 19:39:19 rpe Exp $
 #
 #
 # Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -48,9 +48,9 @@ md_prep_fdisk() {
 
 	while :; do
 		_d=whole
-		if [[ -n $(fdisk $_disk | grep 'Signature: 0xAA55') ]]; then
+		if fdisk $_disk | grep -q 'Signature: 0xAA55'; then
 			fdisk $_disk
-			if [[ -n $(fdisk $_disk | grep '^..: A6 ') ]]; then
+			if fdisk $_disk | grep -q '^..: A6 '; then
 				_q=", use the (O)penBSD area,"
 				_d=OpenBSD
 			fi
@@ -81,7 +81,7 @@ must be marked as the only active partition.  Inside the fdisk command, the
 $(fdisk ${_disk})
 __EOT
 			fdisk -e ${_disk}
-			[[ -n $(fdisk $_disk | grep ' A6 ') ]] && return
+			fdisk $_disk | grep -q ' A6 ' && return
 			echo No OpenBSD partition in MBR, try again. ;;
 		o*|O*)	return ;;
 		esac
diff --git a/distrib/zaurus/ramdisk/install.md b/distrib/zaurus/ramdisk/install.md
index 52782a36eae..37421956452 100644
--- a/distrib/zaurus/ramdisk/install.md
+++ b/distrib/zaurus/ramdisk/install.md
@@ -1,4 +1,4 @@
-#	$OpenBSD: install.md,v 1.33 2015/05/31 19:40:11 rpe Exp $
+#	$OpenBSD: install.md,v 1.34 2015/06/02 19:39:19 rpe Exp $
 #
 #
 # Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -42,9 +42,9 @@ md_prep_fdisk() {
 
 	while :; do
 		_d=whole
-		if [[ -n $(fdisk $_disk | grep 'Signature: 0xAA55') ]]; then
+		if fdisk $_disk | grep -q 'Signature: 0xAA55'; then
 			fdisk $_disk
-			if [[ -n $(fdisk $_disk | grep '^..: A6 ') ]]; then
+			if fdisk $_disk | grep -q '^..: A6 '; then
 				_q=", use the (O)penBSD area,"
 				_d=OpenBSD
 			fi
@@ -75,7 +75,7 @@ must be marked as the only active partition.  Inside the fdisk command, the
 $(fdisk ${_disk})
 __EOT
 			fdisk -e ${_disk}
-			[[ -n $(fdisk $_disk | grep ' A6 ') ]] && return
+			fdisk $_disk | grep -q ' A6 ' && return
 			echo No OpenBSD partition in MBR, try again. ;;
 		o*|O*)	return ;;
 		esac