General :: Find Text After String Search In File

Aug 2, 2011

I have a file called Regions.ini that looks like this:

Code:
[Granite]
RegionUUID = 54ab7cd2-0e70-49b7-8020-8dbeb84c08d0
Location = 9991,10007
InternalAddress = 0.0.0.0
InternalPort = 9001
AllowAlternatePorts = False
ExternalHostName = 71.171.21.9

[Syenite]
RegionUUID = 8fc56fdd-0afd-4074-9432-0ae8f42b799f
Location = 9992,10007
InternalAddress = 0.0.0.0
InternalPort = 9000
AllowAlternatePorts = False
ExternalHostName = 71.171.21.9
What I need to do is find out what the IP address is after "ExternalHostName ="

After that I will need to compare that IP to whatismyip and if it's different then replace it but that is easy to do with sed. I just can't figure this simple hurdle out.

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I need to search a text file for a string of numbers which are different lengths, and always are between number=" and " like:

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For example. File: PHP Code: PHP Code:
Start 15022011 Eng 12-3-42
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Quote:

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Also second question same as the above but how would i remove them instead of replacing them?

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Code:

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Quote:
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Code:

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Jun 23, 2011

Im trying to read a file in c++ and search for particular character for example if this is a list that I have:

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Bob
David

[code]....

if the input is D, it should give David, if its B, gives bob. so in this case, meaning it reads the first character of every line. but if possible I want to make this dynamic so the user can specify which character position he is looking for, so in case he is looking for R as character index 3 in all lines, it should give Charlie. but the problem is, it does now recognize , besides, I do not know how to specify the character position in each line.

here is my code

Code:

#include <iostream>
#include <fstream>
#include <cstring>

[code]....

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Code:

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Code:

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Oct 28, 2009

find out a command to search among all *.dat files in a certain path (including subdirectories) looking for the following text in them:

Code:

--------------------------------------------------------------------------------
Elements with small area
Element Adjusted nodes
--------- --------------
16294 NO
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and getting the list of elements with small area printed in a file "ErrorEl.txt". The output should have this form:

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bad-el#02

[code]....

I know already how to find out the dat files containg a certain string

Code:

c=/path/
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but I don't know then how to get the element numbers(16294 and 17889 in the example above)

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