What is this script use for? [closed]

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up vote
-4
down vote

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for m in 1..100
 do
 r1=`shuf -n1 -i1-100`
 r2=`shuf -n1 -i1-100`
 if [[ "$r1" -lt "$r2" ]]
 then
 resstr=`echo "$m" | md5sum | cut -b $r1-$r2`
 else
 resstr=`echo "$m" | md5sum | cut -b $r2-$r1`
 fi
 str="."
 for n in `echo $resstr|fold -w1`
 do
 str="$str/`shuf -n5 -i100-500| tr -d 'n'|md5sum |cut -b1-6`"
 done
 echo "mkdir -p $str"
 done


I tried to run it locally but ran into errors. Can someone explain what this does and how is this useful please?




bash scripting




share|improve this question














closed as off-topic by jasonwryan, muru, Kusalananda, Vlastimil, Kiwy Apr 10 at 9:04


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question has been posted on multiple sites. Cross-posting is strongly discouraged; see the help center and community FAQ for more information." – muru, Kusalananda, Vlastimil, Kiwy








  • 2




    What were the errors?
    – Kusalananda
    Apr 10 at 8:24










  • OP probably ran the script on a POSIX shell instead of a bash shell.
    – dsstorefile1
    Apr 10 at 8:27










  • this script is very pointless it isn't just homework ?
    – Kiwy
    Apr 10 at 8:29






  • 3




    Cross-posted: askubuntu.com/questions/1023571/…
    – muru
    Apr 10 at 8:46














up vote
-4
down vote

favorite












for m in 1..100
 do
 r1=`shuf -n1 -i1-100`
 r2=`shuf -n1 -i1-100`
 if [[ "$r1" -lt "$r2" ]]
 then
 resstr=`echo "$m" | md5sum | cut -b $r1-$r2`
 else
 resstr=`echo "$m" | md5sum | cut -b $r2-$r1`
 fi
 str="."
 for n in `echo $resstr|fold -w1`
 do
 str="$str/`shuf -n5 -i100-500| tr -d 'n'|md5sum |cut -b1-6`"
 done
 echo "mkdir -p $str"
 done


I tried to run it locally but ran into errors. Can someone explain what this does and how is this useful please?




bash scripting




share|improve this question














closed as off-topic by jasonwryan, muru, Kusalananda, Vlastimil, Kiwy Apr 10 at 9:04


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question has been posted on multiple sites. Cross-posting is strongly discouraged; see the help center and community FAQ for more information." – muru, Kusalananda, Vlastimil, Kiwy








  • 2




    What were the errors?
    – Kusalananda
    Apr 10 at 8:24










  • OP probably ran the script on a POSIX shell instead of a bash shell.
    – dsstorefile1
    Apr 10 at 8:27










  • this script is very pointless it isn't just homework ?
    – Kiwy
    Apr 10 at 8:29






  • 3




    Cross-posted: askubuntu.com/questions/1023571/…
    – muru
    Apr 10 at 8:46












up vote
-4
down vote

favorite









up vote
-4
down vote

favorite











for m in 1..100
 do
 r1=`shuf -n1 -i1-100`
 r2=`shuf -n1 -i1-100`
 if [[ "$r1" -lt "$r2" ]]
 then
 resstr=`echo "$m" | md5sum | cut -b $r1-$r2`
 else
 resstr=`echo "$m" | md5sum | cut -b $r2-$r1`
 fi
 str="."
 for n in `echo $resstr|fold -w1`
 do
 str="$str/`shuf -n5 -i100-500| tr -d 'n'|md5sum |cut -b1-6`"
 done
 echo "mkdir -p $str"
 done


I tried to run it locally but ran into errors. Can someone explain what this does and how is this useful please?




bash scripting




share|improve this question














for m in 1..100
 do
 r1=`shuf -n1 -i1-100`
 r2=`shuf -n1 -i1-100`
 if [[ "$r1" -lt "$r2" ]]
 then
 resstr=`echo "$m" | md5sum | cut -b $r1-$r2`
 else
 resstr=`echo "$m" | md5sum | cut -b $r2-$r1`
 fi
 str="."
 for n in `echo $resstr|fold -w1`
 do
 str="$str/`shuf -n5 -i100-500| tr -d 'n'|md5sum |cut -b1-6`"
 done
 echo "mkdir -p $str"
 done


I tried to run it locally but ran into errors. Can someone explain what this does and how is this useful please?





bash scripting





share|improve this question













share|improve this question




share|improve this question








edited Apr 10 at 8:21









Kusalananda

102k13200317




102k13200317










asked Apr 10 at 8:19









Nish

11




11




closed as off-topic by jasonwryan, muru, Kusalananda, Vlastimil, Kiwy Apr 10 at 9:04


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question has been posted on multiple sites. Cross-posting is strongly discouraged; see the help center and community FAQ for more information." – muru, Kusalananda, Vlastimil, Kiwy




closed as off-topic by jasonwryan, muru, Kusalananda, Vlastimil, Kiwy Apr 10 at 9:04


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question has been posted on multiple sites. Cross-posting is strongly discouraged; see the help center and community FAQ for more information." – muru, Kusalananda, Vlastimil, Kiwy







  • 2




    What were the errors?
    – Kusalananda
    Apr 10 at 8:24










  • OP probably ran the script on a POSIX shell instead of a bash shell.
    – dsstorefile1
    Apr 10 at 8:27










  • this script is very pointless it isn't just homework ?
    – Kiwy
    Apr 10 at 8:29






  • 3




    Cross-posted: askubuntu.com/questions/1023571/…
    – muru
    Apr 10 at 8:46












  • 2




    What were the errors?
    – Kusalananda
    Apr 10 at 8:24










  • OP probably ran the script on a POSIX shell instead of a bash shell.
    – dsstorefile1
    Apr 10 at 8:27










  • this script is very pointless it isn't just homework ?
    – Kiwy
    Apr 10 at 8:29






  • 3




    Cross-posted: askubuntu.com/questions/1023571/…
    – muru
    Apr 10 at 8:46







2




2




What were the errors?
– Kusalananda
Apr 10 at 8:24




What were the errors?
– Kusalananda
Apr 10 at 8:24












OP probably ran the script on a POSIX shell instead of a bash shell.
– dsstorefile1
Apr 10 at 8:27




OP probably ran the script on a POSIX shell instead of a bash shell.
– dsstorefile1
Apr 10 at 8:27












this script is very pointless it isn't just homework ?
– Kiwy
Apr 10 at 8:29




this script is very pointless it isn't just homework ?
– Kiwy
Apr 10 at 8:29




3




3




Cross-posted: askubuntu.com/questions/1023571/…
– muru
Apr 10 at 8:46




Cross-posted: askubuntu.com/questions/1023571/…
– muru
Apr 10 at 8:46










1 Answer
1






active

oldest

votes

















up vote
1
down vote













The script, which assumes bash or some other shell that does brace expansions, and that GNU coreutils is installed, outputs mkdir commands for creating some sort of directory structure where there directories have names from MD5 checksums calculated on random numbers.



Whether this is useful or not, I don't know. There's no immediate error in the script except for a few style issues and unquoted variable expansions.






share|improve this answer





























    1 Answer
    1






    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    1
    down vote













    The script, which assumes bash or some other shell that does brace expansions, and that GNU coreutils is installed, outputs mkdir commands for creating some sort of directory structure where there directories have names from MD5 checksums calculated on random numbers.



    Whether this is useful or not, I don't know. There's no immediate error in the script except for a few style issues and unquoted variable expansions.






    share|improve this answer


























      up vote
      1
      down vote













      The script, which assumes bash or some other shell that does brace expansions, and that GNU coreutils is installed, outputs mkdir commands for creating some sort of directory structure where there directories have names from MD5 checksums calculated on random numbers.



      Whether this is useful or not, I don't know. There's no immediate error in the script except for a few style issues and unquoted variable expansions.






      share|improve this answer
























        up vote
        1
        down vote










        up vote
        1
        down vote









        The script, which assumes bash or some other shell that does brace expansions, and that GNU coreutils is installed, outputs mkdir commands for creating some sort of directory structure where there directories have names from MD5 checksums calculated on random numbers.



        Whether this is useful or not, I don't know. There's no immediate error in the script except for a few style issues and unquoted variable expansions.






        share|improve this answer














        The script, which assumes bash or some other shell that does brace expansions, and that GNU coreutils is installed, outputs mkdir commands for creating some sort of directory structure where there directories have names from MD5 checksums calculated on random numbers.



        Whether this is useful or not, I don't know. There's no immediate error in the script except for a few style issues and unquoted variable expansions.







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited Apr 10 at 8:47

























        answered Apr 10 at 8:34









        Kusalananda

        102k13200317




        102k13200317












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