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Bash concatenate output of two commands into one line

I recently wanted to have a single line for a command that was running two functions:

for i in `(ls -l |awk '{print $9}')`; do echo $i; cat $i|grep failure|wc -l; done


This gave and output like:

file1
0
file2
0
file3
1


But I wanted:
file1 0
file2 0
file3 1


The trick, use the -n function on echo like this:

for i in `(ls -l |awk '{print $9}')`; do echo -n "$i "; cat $i|grep failure|wc -l; done





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