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String: Grep / SED for multy line search

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# 1  
Old 02-22-2011
Question String: Grep / SED for multy line search
Hi,
At first I want to please you to provide the solution with grep/sed if possible. Smilie


File looks like:
Quote:
/folder_start/folder_A2/file_A.typea
version: /main/another_folder/1
some,.,?=)(!"/()&%§(/& other information.... do not care -.,?============================
/folder_start/folder_B2/file_B.typeb
version: /main/folder/6
some,.,?=)(!"/()&%§(/& other information.... do not care -.,?============================
wished result:
Quote:
/folder_start/folder_A2/file_A.typea@@/main/another_folder/1
/folder_start/folder_B2/file_B.typeb@@/main/folder/6
so I want in a new file
BLUE@@RED

string from first line like:
Code:
grep "/folder_start" cs_src > tmp1



string from second line:
Code:
grep "/main" cs_src | cut -d " " -f6 > tmp2



logic: RESULT = string1 + @@ + string2
note:
one line command for console would be great - please give solution with grep&cut / sed

couldn't combine the outputs with "@@" and print in new file - maybe use "cat"?
thanks Smilie
# 2  
Old 02-22-2011
This can be done with just a sed command:
Code:
$ cat ifile
/folder_start/folder_A2/file_A.typea
version: /main/another_folder/1
some,.,?=)(!"/()&%§(/& other information.... do not care -.,?============================
/folder_start/folder_B2/file_B.typeb
version: /main/folder/6
some,.,?=)(!"/()&%§(/& other information.... do not care -.,?============================

$
$
$
$ sed -n '/folder_start/{N;s/\nversion: /@@/p;}' ifile
/folder_start/folder_A2/file_A.typea@@/main/another_folder/1
/folder_start/folder_B2/file_B.typeb@@/main/folder/6
$

# 3  
Old 02-22-2011
Code:
sed -n '/folder_start/{N;s/\nversion: /@@/p;}' ifile

did not work for me...
edit: note: No error but also no output (right dir and right file choosen)

could you please explain me the command step by step? I'm not that familiar with these
-n,
{},
N,
p

thanks
Last edited by unknown7; 02-22-2011 at 01:47 PM.. Reason: add note
# 4  
Old 02-22-2011
What system are you using? It works for me on Solaris and Linux.

-n means do not print lines unless instructed to.
{} groups commands together
N reads another line
p prints
This User Gave Thanks to Perderabo For This Post:
unknown7
# 5  
Old 02-22-2011
works well...
using SUN OS

did smth. wrong... thanks - exactly what i searched for... a one line sed command!
# 6  
Old 03-16-2011
Power multy line remove newline and last slash in a line
Hi again,

how can i remove newlines and lst slash?

Examplecode:
Quote:
abc/de/fg/
12/3/4/5/67/
morestuff/
i want to remove the last slash in a line and the newlines

Quote:
expected result:
abc/de/fg12/3/4/5/67morestuff
# 7  
Old 03-16-2011
Try this,
Code:
sed 's/\/$//g' inputfile | paste -s -d ""
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