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This is my code.... It works correct, but does not work with 4 and 5. My program is about finding average. so when i run 4 5 it gives me error "expr: non-integer argument".
But when i say sh average...

I have number 192.168.21.8.

I want to extract from this number with sed 21 and 8 to variables a and b. Any Ideas?

I did like 's/\(192.168.\)/ /' but its wrong :(

+ [ -f /Users/Natalie/lastserial ]
+ sort /Users/Natalie/lastserial
+ tail -1
+ n=2013101001
makedns: 10: makedns: Bad substitution

---------- Post updated at 03:30 PM ---------- Previous...

I guess Mac has default bash. Then I copy my code to another comp and run it...And it gives me an error like "bad substitution"....

How I can change my code??? Never had before this kind of...

Why I have an error "makedns: 7: makedns: Bad substitution
"????? How to fix it??

Thank ya :) One more thing which is not relating to question: how delete threads or close here?! cant figure out :)

I got the idea, thanks. You helped me a lot. But my last numbers goes only until 09 and then it starts from 02 again. Why? it does not reach even 100 for incrementing days or months.... Sorry just I...

So sorry..I faced to a little problem. Basically everything is working...but 2013101008 is the maximum number which works in code... it says in error that value is too great for base ("error token is...

Oh yeah thank u finally, I spend 2 hours for finding out what is wrong....its so easy lol thanks :b::b::b:

I found out what is probably wrong in my code. When i assign n=2013101005 instead of path in my code it works. But when I replace by path n=/Users/Natalie/1/kuku.txt (echo $n gives me 2013101005)...

I did. fourthoct 3oct 2oct 1oct gives nothing as well..... Even i said in my code that 1oct={n:8:2} etc.... I checked my n= sort /Users/yerlanrsaldin/1/kuku.txt | tail -1 it gives me 2013101005...but...

I got confused totally...... My number is in file kuku.txt
cat kuku.txt
->2013101005
According to my code it takes number from the file then compares with numbers and increment +1......But All I...

Thanks. But I kind of do not know where to add this logic to my code.....Gives me error everywhere....

Hello I am still working on my code..... The issue I faced is that i have to have 00 01 02 03 04 05 06 07 08 09 010 011 ...099 100. But my numbers are 1 2 3 4 5 ...How I can change it to different...

I am not fan of awk, also dont understand it. So i will try to replace it with statements... Anyway, thank u so much:)

I dont have awk and I am not fan of awk..Even now I dont understand that equation u wrote to me...:D prefer loops and statements...More clear for me..

so basically u divided my number into 4 parts right?! So I can increment independently, right? ;)
For incrementing I just add 1 to ${n:8:2} for example, right?

I have number in file which contains date and serial number:
2013101000.

The last two digits are serial number (00). So maximum of serial number is 100.

After reaching 100 it becomes 00 with...

Thank you:)

Lol yes not fan :) what about echo 5 6 | sh my_code?

is it possible to do it without awk?? Just to add smth to my my code?

I have files :
cat file1
15
88
44
667
33
4cat file2
445 66 77 3 56