Re: [PATCH 04/10] tests: replace perl usage with shell built-in

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On May 4, 2018, at 3:32 AM, Lukas Czerner <lczerner@xxxxxxxxxx> wrote:
> 
> On Tue, May 01, 2018 at 10:26:00PM -0600, Andreas Dilger wrote:
>> A couple of tests use perl only for generating a string of N characters
>> long.  Instead, expand an environment variable to the required length.
>> 
>> Signed-off-by: Andreas Dilger <adilger@xxxxxxxxx>
>> ---
>> 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 a599f3c..dc92751 100644
>> --- a/tests/d_xattr_sorting/script
>> +++ b/tests/d_xattr_sorting/script
>> @@ -22,7 +22,8 @@ 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
> 
> We can use this instead
> 
> printf 'x%.0s' {1..256}

Sure, I don't think it makes a huge difference either way, since this is
only ever run by developers.  The main goal is to get rid of perl usage.
The printf command/built-in should be available in every shell environment.

Cheers, Andreas

>> 
>> 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 7d712f5..b7c22d3 100644
>> --- a/tests/f_create_symlinks/script
>> +++ b/tests/f_create_symlinks/script
>> @@ -26,11 +26,13 @@ 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+=$B
>> for i in 30 60 70 500 1023 1024 1500; do
>> -	echo "debugfs -R \"symlink /l_$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 >> $OUT
>> done
>> +unset B
>> 
>> for i in 30 60 70 500 1023 1024 1500; do
>> 	echo "debugfs -R \"stat /l_$i\" test.img" >> $OUT
>> --
>> 1.8.0
>> 


Cheers, Andreas





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