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Here is just 1 long line

sysmem=$(($(cat /proc/meminfo | grep 'MemTotal' | tr -s ' ' | cut -d' ' -f2) / 1024))

Thank you for your helps.

I have thought about how to approach how to write this program but did not knowing how the log system work. There fore, I ask some questions here may offend the...

I have tried the approach to grep the date of the last line and cut out the Date field and I have problem of getting rid of the square bracket.


$cat /etc/httpd/logs/access_log | cut -d' ' -f4 ...

79.114.31.152 - - [10/Jun/2013:07:43:07 -0700] "GET /~otangdec/cnit132/images/chic_dance.gif HTTP/1.1" 200 556572 "http://filelist.ro/details.php?id=23714" "Mozilla/5.0 (Windows NT 6.1; WOW64)...

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1. The problem statement, all variables and given/known data:
My goal to...

Thanks, I remove the IFS and it solved all my problem. I did not need to use FIELD SEPARATOR in this case of reading.... Thank you much.

scopiop

you can see my attachfile to run my codes

Here is how the instructor want us run the program

$ cat inputfile | program.sh

Please create an inputfile that contains a blank line with a few...

I have tried to test the input file that has 1 blank includes with 2 characters SPACE and here the result.

if [[ ${#line} > $maxline && ${#line} != 0 ]]



input

<-- it's blank...

I have ran in the problem since the instructor does not allow me to send my output to another file and read back in again. He prefers that the program will output max and min lines without using a...

Thank you Junior-helper and RudiC.

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1. The problem statement, all variables and given/known data:
I have to...

Thank you.

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1. The problem statement, all variables and given/known data:
Print out...

I am confuse how to use the commands as follow:

grep "$1" /location of a file
vs
grep "$@" /location of a file


What are differences between these two types of search?
Where can I read to...

Thanks, it works....

I am learning from the class how to protect the special characters and the script that I wrote here does not work when I am trying to pick up a single quote. It would complaint about parentheses...

Thank you..... But I have written the new command lines to get these output below. But I only want to pick out .bash .ksh and .zsh. Is the only command I can use here is grep? How do I use the grep...

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1. The problem statement, all variables and given/known data:
I would like...