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0 votes
3 answers
88 views

Need to make multiple multiline replacements in file

I have a file with multiple "paragraphs" like this: <type>TRANS</type> <attributes/> <specification_method>rep_name</specification_method> <trans_object_id/&...
Todd Porter's user avatar
4 votes
4 answers
1k views

Can I extract complete dates from file with grep command?

I need help using grep to extract a zoned date time from a file on a Linux system. Source file is a XML with the data below: <item start="20231010073000 +0100" stop="20231010100000 +...
aris's user avatar
  • 43
0 votes
1 answer
221 views

Read subdirectory names and split into subdirectories based on dir name

This is probably really simple but I'm ox-hilling it for the better part of the day. Problem: I have several folders coming out of an app that I need to get into sub-folders. I'm going with separators ...
Voodoopants's user avatar
5 votes
5 answers
10k views

Finding the line number of first occurrence of a text in bash script

I need to find out what is the line number of first occurrence of a given search string that should be in the start of a line in a text file and store it in a variable in my bash script. For example I ...
DEKKER's user avatar
  • 998
1 vote
2 answers
324 views

Extract field and number of occurrences per line

I have this file: John Green', 'Age: 32', 'State: New York', 'Total cars: 2', 'Manufacter: General Motor', 'Model: Pontiac', 'Year: 2000', 'Manufacter: Ford Motor', 'Model: Endeavour', 'Year: 2010 ...
Emilio Galarraga's user avatar
-2 votes
4 answers
360 views

how to grab text after newline

assume this: This is the only text I'M showing. The remaining text has more data[not showing], the problem. The text is semi-clean, full of whitespace, tabs, Unicode, isn't clean and has to be like ...
AlexPixel's user avatar
  • 320
0 votes
3 answers
565 views

Search for pattern and create file with the same name

Here's a simple line of my usage: grep -i '"location_country":"country name"' file.txt >> sample.txt I'm searching a large file with multiple countries and what I would like ...
Cyb3r's user avatar
  • 13
0 votes
1 answer
2k views

using "grep", to match a list of IDs in a file to match with another file

I have been using various formats suggested here on the forum like this one: grep -f file1.txt file2.txt > ouput.txt file1.txt contains a list of IDs in one column e.g.: 15002345234 15001234214 ...
Julia's user avatar
  • 15
2 votes
2 answers
74 views

Printing all lines matching a string and a set number of lines after that string

I want to extract relevant data of a traffic junction and it's connections from a log file. Example log: SCN DD1251 At Glasgow Road - Kilbowie Road Modified ...
RevolverOshawott's user avatar
2 votes
1 answer
764 views

How to grep certain interface block in Cisco IOS configuration with specific criteria?

This is sample of network interface configuration in Cisco IOS. Let's name it as cisco.txt. ! interface FastEthernet0/1 shutdown ! interface FastEthernet0/2 switchport access vlan 20 ! interface ...
user11392987's user avatar
6 votes
5 answers
6k views

group and count by a regex

I have dozens of values in a file such as (1608926678.237962) vcan0 123#0000000158 (1608926678.251533) vcan0 456#0000000186 I want to count how many of each there are based on the numbers before the ...
pee2pee's user avatar
  • 193
1 vote
3 answers
2k views

Set multiple variables to different fields of awk output

I have a large set of variable initializations that I think could be greatly reduced. The file below being parsed: -------------------- ACL Stats Per Interface ----------------------...
Kahn's user avatar
  • 1,807
2 votes
2 answers
57 views

How to validate a line if followed by a specifc line?

On some our Linux servers we have the following files: /etc/ambari-agent/conf/ambari-agent.ini The files include the following example of lines: ; memory_threshold_soft_mb=400 ; ...
user avatar
2 votes
2 answers
189 views

copy numbers following specific characters

file1 contains: SS1 2.979621e-01 3.022140e-02 4.273952e-05 0.107 0.223 Set 1: err.est. 7.72199e-05 a 1 tau1 0.0816095 tau2 98.7691 I want to: copy the number following SS1 in ...
Dimitris Mintis's user avatar
3 votes
1 answer
15k views

Find Duplicate/Repeated or Unique words spanning across multiple lines in a file

Problem Is it possible to print repeated words that are not unique and spanning across multiple lines? not just unique words within singular lines. Previous work There's this question which solves ...
om-ha's user avatar
  • 221

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