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Sorry but, if you could write the complete command I would understand better... I know how to declare "start" pattern but no "end" pattern, and i supose i must write code to print lines ... thank you!

Dear all,

I want to show all lines between the first and the last appearance of a string in a file. This string is a input parameter of a script. I have some ideas with grep -n but i'm sure that I...

Thank you for your help radoulov,


In the end I got the brute force solution, redirecting the command to an aux script file pasting the external variable into the awk command and executing the...

i tested all cases.
note that $id is an external variable, and its what i want to put as AWK pattern.. Should I use the -v option ? Please complete my command, so I will understand you better. thanks

Still not working...

cat file.txt | awk 'BEGIN {RS="\\n\\n"} $0 ~ '$id' { print "\n"$0 }'

cat file.txt | awk 'BEGIN {RS="\\n\\n"} $0 ~ $id { print "\n"$0 }'

cat file.txt | awk -v...

No way, if i put this in the command does not works, it only takes the variable in the print field.

Doesn't works:

cat file.txt | awk -v var_name=$id 'BEGIN {RS="\\n\\n"} /var_name/ { print...

Dear all,

¿How can i insert a variable in a AWK pattern?

I have almost succeeded in solving a puzzle with AWK but now i want to make a script. Let me explain.

cat file.txt | awk 'BEGIN...

Thank you very much rdcwayx, but i have a problem, the date can appear behind the text in the parragraph and the output is not right. One solution would be put in the RS "^ 2009-11-10" to capture...

Original file:

2009-11-10 09:32:13:TextTextTextTextTextTextTextTextTextTextText
TextTextTextTextTextTextTextTextTextTextTextTextTextTextTextTextText...

Hi,

I wrote a post last friday but i think that i have not explained well.

I need help with shell script commands to filter information from a text file. This text file is divided into...

Hello,

I know how to get a solution of a filtering problem with AWK, but i need change default field separator by a regular expression. awk -F "xxx"

What i want to do is take a stranza as a...

Saludos

Necesito utilizar SED para crear una herramienta que me facilite el trabajo. El objetivo es filtrar información de un log para que me muestre solamente los registros que contengan una...