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Date:   Mon, 12 Mar 2018 13:10:57 -0600
From:   Andreas Dilger <adilger@...ger.ca>
To:     tytso@....edu
Cc:     linux-ext4@...r.kernel.org, Lukas Czerner <lczerner@...hat.com>,
        Andreas Dilger <adilger@...ger.ca>
Subject: [PATCH v2] tests: replace perl usage with shell built-in

A couple of tests use perl only for generating a string of N characters
long.  Instead, expand an environment variable to the required length
to avoid the need for perl to be installed to run the regression tests.

Signed-off-by: Andreas Dilger <adilger@...ger.ca>
---
 tests/d_xattr_sorting/script   | 3 ++-
 tests/f_create_symlinks/script | 8 +++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/tests/d_xattr_sorting/script b/tests/d_xattr_sorting/script
index 459a66a..9db385f 100644
--- a/tests/d_xattr_sorting/script
+++ b/tests/d_xattr_sorting/script
@@ -19,7 +19,8 @@ echo Exit status is $status >> $OUT
 
 B=$(mktemp ${TMPDIR:-/tmp}/b.XXXXXX)
 
-perl -e 'print "x" x 256;' > $B
+F="xxxxxxxx"; F+=$F; F+=$F; F+=$F; F+=$F; F+=$F
+echo "$F" | dd of=$B bs=256 count=1 2> /dev/null
 
 echo "ea_set -f /tmp/b / security.SMEG64" > $OUT.new
 $DEBUGFS -w -R "ea_set -f $B / security.SMEG64" $TMPFILE >> $OUT.new 2>&1
diff --git a/tests/f_create_symlinks/script b/tests/f_create_symlinks/script
index 779d92e..1d10d32 100644
--- a/tests/f_create_symlinks/script
+++ b/tests/f_create_symlinks/script
@@ -23,11 +23,13 @@ echo Exit status is $status >> $OUT.new
 sed -f $cmd_dir/filter.sed -e "s;$TMPFILE;test.img;" $OUT.new >> $OUT
 rm -f $OUT.new
 
+B="xxxxxxx"; B+=$B; B+=$B; B+=$B; B+=$B; B+=$B; B+=$B; B+=$B; B+=$B
 for i in 30 70 500 1023 1024 1500; do
-	echo "debugfs -R \"symlink /l_$i /$(perl -e "print 'x' x $i;")\" test.img" >> $OUT
-	$DEBUGFS -w -R "symlink /l_$i /$(perl -e "print 'x' x $i;")" $TMPFILE \
-		 2>&1 | sed -f $cmd_dir/filter.sed >> $OUT
+	echo "debugfs -R \"symlink /l_$i /${B:1:i}\" test.img" >> $OUT
+	$DEBUGFS -w -R "symlink /l_$i /${B:1:i}" $TMPFILE 2>&1 |
+		sed -f $cmd_dir/filter.sed >> $OUT
 done
+unset B
 
 for i in 30 70 500 1023 1024 1500; do
 	echo "debugfs -R \"stat /l_$i\" test.img" >> $OUT
-- 
1.8.0

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