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Full Discussion: for loop iteration and shell programming startup
Top Forums Shell Programming and Scripting for loop iteration and shell programming startup Post 302589965 by kashif_islam on Friday 13th of January 2012 08:42:29 AM
Old 01-13-2012
MySQL for loop iteration and shell programming startup
question :how can i iterate to next item in for loop with the loop
e.g
Code:
for i in `cat abc.txt`
do
  echo $i // this will display first line
  i=$i+1;  // this doesnt work for me. 
  echo $i; //this will display secound line
done


question: is my approach to manipulate text good?

I have one output available as
Code:
12
123
1234
12345
123
1234

I want to manipulate it using awk or sed so output should look like
Code:
Item1 apple:
a=12
b=123
Item2 banana:
a=1234
b=12345
Item3 soda:

I will use three for loops to display the result
Code:
for i in `cat first list`
do
  echo $i
  for j in `cat 2ndlist.txt` 
    for k in `cat 3rdlist.txt`
      echo $j $k $k
    done
  done
done

question: i want to become very good in shell scripting , can anyone guide me to a series of tutorials which focus on examples?
Last edited by Franklin52; 01-13-2012 at 10:49 AM.. Reason: Please use code tags for code and data samples, thank you
 

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