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Comparing list of files in parallel

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# 8  
Old 11-19-2015
I have never done this before but I think I can learn it, I think it has something to do with echo and if I can add both files to that part, I read something about arrays too but I am not sure that will apply here. If I take off line and add the file name instead will that change the outcome?
# 9  
Old 11-19-2015
Moderator's Comments:
Mod Comment Ameenah Palmer,
Please do not hijack threads that are discussing a different topic. And, homework must be posted in the Homework and Coursework Questions forum and must include a completely filled out homework and coursework questions template as described in Rules for Homework & Coursework Questions Forum.

Please open a new thread to discuss your homework assignment problems.
# 10  
Old 11-20-2015
hope below prototype can help you some
Code:
num_of_files=`ls leo| wc -l`
loop_size=$((${num_of_files}/2))
i=1
while [ $i -le $loop_size ];do
  let tmp=$i+$loop_size
  echo "comparing file_${i} with file_${tmp}"
  let i=$i+1
done

root@qas0009[23:08:25]:/tmp>ls leo
Code:
file_1  file_10  file_11  file_12  file_13  file_14  file_15  file_16  file_17  file_18  file_19  file_2  file_20  file_3  file_4  file_5  file_6  file_7  file_8  file_9

output
Code:
comparing file_1 with file_11
comparing file_2 with file_12
comparing file_3 with file_13
comparing file_4 with file_14
comparing file_5 with file_15
comparing file_6 with file_16
comparing file_7 with file_17
comparing file_8 with file_18
comparing file_9 with file_19
comparing file_10 with file_20
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