Sed is a command-line stream editor for filtering and transforming text.

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-4
votes
1answer
82 views

What command in bash to search for this string?

file.txt contains: aa=testing sss=whoiam bbb=findme What command do I use to search for testing and print it? Expected result: # you search testing
-2
votes
3answers
62 views

How to sed two same value without affecting the other

I have an xml file and I want to change one value on that file: param name=swam_license_ports_overdraft_thresh 99 param name="strike_license_ports_overdraft_thresh" 99 The outcome I want is to ...
1
vote
2answers
89 views

Vim: join lines by replacing ^M

I have a file which has embedded ^M characters. I wish to join the lines at the ^M character. ie: change this: ^M être, ^M étant, ^M ...
2
votes
3answers
59 views

How to add a new line after the “test message1” using sed?

Actually I have a file called test1.txt. In that file I have the following five lines: 'test message1' 'test message2' 'test message3' 'test message4' 'test message5' Now I want to add a new ...
0
votes
5answers
52 views

re-arrange values in one column without affecting other columns using awk or sed

I have a csv file in following format: abc,124,123,2014-08-13,abc def,124,123,2014-08-13,abc ghi,124,123,2014-08-13,abc Now I need to modify only 5th column (2014-08-13) to produce output as given ...
2
votes
1answer
32 views

Move matched line above a different matched line using sed

I have something like dsadjakldjska safdsfdsfsf fdsfsf**STGN**fdsfsd fdsfkjldsf fdsff fdsfs**IRV**fdsfs and I want to get dsadjakldjska safdsfdsfsf fdsfkjldsf fdsff fdsfsf**STGN**fdsfsd ...
0
votes
2answers
100 views

Delete every number that comes before “=”

i have a very, very, very long list. Like over 830,000 characters. I will of course perform said command on a copy. There are multiple lines, like this hey1=lol hey2=lol hey3=lol I want that to ...
1
vote
1answer
48 views

Handling sed variables with paths in them?

I have an applescript for doing certain things, like search and replace. set lol to quoted form of POSIX path of (choose file with prompt "VälJ Fil") That chooses a file then im doing this set ...
3
votes
5answers
254 views

How to use a shell variable inside sed's s command? [duplicate]

we know that we can get the value of a variable using $ sign: x=3 echo $x 3 Is there other ways that we can use to get the value without using $ sign. I'm asking this because $ sign is a special ...
2
votes
3answers
93 views

Replace a word after a significant line and white spaces (inline) using sed?

I have the following text: A Hello world B Hello world C Hello world I know that I can replace Hello by Hi using sed: sed 's/Hello/Hi/g' -i test but this replace each Hello ...
2
votes
3answers
31 views

Delete until given character starting from given string

root@server:~/foo$ cat INPUT.txt limit. Current u'^'ZO limit. Current usage'^'FR limit. Current us'^'AS limit. Current usage 95 %.'^'FR limit. Cur'^'AEW root@server:~/foo$ sed ...
4
votes
1answer
106 views

Using sed command convert only first character in specific line with uppercase

How can I convert the first character of each word in the line after gr-description: to uppercase? For example : $ cat /tmp/test1 groMail: test@xyz.com gr-description: abc-location-999 ...
1
vote
2answers
46 views

Delete all words surrounded by parentheses with sed

How can I do this in sed, I have a long long list of things and some are surrounded by a parentheses. lol xml lol lol (347) idiot (67) How can delete (347) and (67) but for a huge list with numbers ...
0
votes
1answer
54 views

Print lines if pattern is not matched

Print lines of File 1 only if they don't contain patterns specified in File 2 Exemple: $ cat File_1 L1 pattern1 L2 pattern pattern2 L3 pattern3 pattern L4 pattern4 $ cat File_2 ...
0
votes
2answers
117 views

Rearrange the file content

I have a file with content as 123 OneTwoThree 234 TwoThreeFour 345 ThreeFourFive I want to convert this file into something like this OneTwoThree 123 TwoThreeFour 234 ThreeFourFive 345 Here ...
7
votes
0answers
84 views

regarding portable sed -e… d b or ! b?

In this edit Stéphane Chazelas POSIXifies (again) my sed formatting by inserting an -expression break and another -expression statement. Now, I might just ask him why in the comments, I suppose, but ...
2
votes
2answers
103 views

Replace value within single quotes in a line that contains certain word using sed command

I have a line as below in a html file, shahar.push(['remoteUrl', 'staging.zazzercode.com']); Depending upon environment, I want to replace the remoteUrl value with sed command. eg, ...
5
votes
4answers
211 views

How to replace m part of Lines with n part of Lines?

I have a file "test" like this: RewiteEngine On RewriteCond %{REMOTE_ADDR} !^192\.168\.1\.7$ [NC] RewriteCond %{REMOTE_ADDR} !^192\.168\.1\.8$ [NC] RewriteCond %{REMOTE_ADDR} ...
5
votes
3answers
195 views

sed ranges aren't always able to match only one line

Consider the following range: 1,/pattern/. If pattern matches on the first line, the range matches for the whole file: $ cat 1.sh #!/usr/bin/env bash set -eu seq 1 4 | sed -rn '1,/'"$1"'/p' $ ./1.sh ...
1
vote
1answer
39 views

Why does sed globally substitute only the first occurence in multiple substiutions?

I want to globally substitute all \n new line characters with their \n escape sequence and all ' single quote characters with two '' of them like so: function esc_foobar { # Escapes any "'" ...
3
votes
1answer
49 views

grep upto matching brackets

I have a file like this:- pin(ABC) { a b c d e f { abc } } pin(XYZ) { g h i j k { j k { ...
1
vote
2answers
44 views

rename a batch of files after reading from a source file

I have a directory full of over a thousand files and the names are bit long (and no pattern found in the naming style). I would like to simplify the filenames. E.g.: ...
0
votes
1answer
69 views

Why does this command not work on AIX?

I want to remove UTF-8 BOM from a file using this command: sed '1 s/\xEF\xBB\xBF//' old.java > tmp.java But it did not work. I am running with ksh on AIX 7.1
1
vote
2answers
48 views

How can I sort a .txt file by two columns?

Feb 7 domainserver dovecot[37495]: auth(default): od(tjones): lookup failed for user: tjones Above is a sample output of what I'd like to sort. I'd like to sort by date on the first column, but ...
3
votes
1answer
66 views

How to export data in the terminal to a file (e.g. csv file)

I am a complete beginner in using Linux and I would like to know how to export a bunch of data in the command line to a csv or spreadsheet file (or even text would work). Right now I am simply using ...
0
votes
1answer
68 views

grepping of common lines between two file based on specific columns values in case of multi matching

I want to match column3 of file1 & column2 of file2 , after that i want to print all column of matching lines in a single line, i know how to do it but the problem is that if there are not unique ...
1
vote
2answers
102 views

replace lines in a text with matching text

Original file 123|abc|heloo good morning friends|1|123|abc|123|abc 123|abc|heloo good morning everyone|1|123|abc|123|abc Replaced file 123|abc|heloo good morning freinds|1|123|abc|123|abc ...
1
vote
2answers
193 views

Using sed to replace characters between two patterns

I'd like to replace all the newlines after a line containing a given pattern with a tab. Input file: $ cat File1 NAME1 N1_info NAME2 N2_info I'm creating some flags at the ends of the future ...
0
votes
2answers
106 views

how to remove all double quotes from csv except specific field

I want to remove all double quotes from my csv but not the fourth field (because the four fields represent PATH of file) Please advice how to implement this by sed or awk or perl one liner , etc ...
2
votes
2answers
164 views

Replacing lines containing a pattern with sed

How can I replace a given character in a line matching a pattern with sed? For example: I'd like to match every line beginning with a letter, and replace the newline at the end with a tab. I'm trying ...
2
votes
4answers
50 views

Combining sed statements

Let's say my input file looks like: ID1 1 5 6 8 ID2 1 4 5 7 I'm trying to formulate a loop that can combine these actions: If the line begins with a letter: keep the '\ n' after ...
7
votes
4answers
261 views

How to split long sed expression into multiple lines?

sed 's/[long1][long2]/[long3][long4]/' file.txt I would like to split this command onto multiple lines - f.x. something like this: sed 's/ [long1] [long2] / [long3] [long4] /' ...
6
votes
5answers
504 views

What's wrong with this sed expression?

$ echo "104_Fri" | sed 's/^\([0-9]+\)_\([A-Za-z]+\)$/\1;\2/' 104_Fri I would like to match the digits at the beginning and the letters at the end - each as a group. Afterwards I want to output the ...
2
votes
2answers
76 views

Replace column entry with sum of other column entries

Let's say I have a file that contains these lines: 02.03.14 14.50 14.50 0.00 Desc 02.03.14 17.00 0.00 17.00 Desc 01.03.14 2.82 1.68 calc Desc 02.03.14 1.04 0.00 ...
6
votes
5answers
174 views

Remove backslash + newline sequences

We are having a file in Linux which contains one line per record, but problem comes when the line contains some new line characters. In this case, the backslash is appended at the end of line and the ...
1
vote
2answers
80 views

Search for a string in a line and append related lines

I have a file containing some ID (identifier) and DS (description) lines. I'd like to keep the rows containing the string value in their ID line, as well as all the following (related) DS lines before ...
4
votes
2answers
169 views

sed to search for multiple words and remove those lines

I have a master file with more than 50000 lines and my requirement is to remove around 20000 lines from actual file, for this I used grep -vE command which is showing an error as too many arguments. ...
13
votes
9answers
462 views

Find all occurances in a file with sed

Using OPEN STEP 4.2 OS... I am currently using the following sed Command: sed -n '1,/141.299.99.1/p' TESTFILE | tail -3 This command will find one instance in a file with the ip of 141.299.99.1 and ...
1
vote
2answers
70 views

List all the html tags in a file

I want to know if there is a way to list all the html tags in a file. Lets say I have a file file.html <html> <head> <title>Test</title> </head> <body> This is a ...
30
votes
4answers
2k views

Reverse grepping

Let's say, I have a really big text file (about 10.000.000 lines). I need to grep it from the end and save result to a file. What's the most efficient way to accomplish task?
1
vote
2answers
42 views

Format output to a specific line length

So I have some output that has very long lines, and I want to have it formatted to lines no more than 80 columns wide, but I don't want to split words because they are in the column limit. I tried ...
5
votes
2answers
281 views

How is the inplace modification of a file being done?

What does the "inplace" modification of a file e.g. via sed -i or perl -i mean? My question is about how this inplace modification is done. Is the file copied the modification is done in the copy and ...
2
votes
1answer
54 views

What package has GNU sed for Solaris?

I need to use the features of GNU sed, instead of the built-in version under Solaris 10. Which GNU package contains it? I don't see it listed in the coreutils, and my Google searches haven't helped ...
3
votes
1answer
76 views

Is there a way to pass a variable from an awk statement to a bash function as an argument? [closed]

I am trying to look a for some specific values from (such as 1 or 4 and 2 or 3) a text file using an awk statement in a bash script. If this value is found in the file (within the awk statement), then ...
2
votes
3answers
83 views

Reverse match in sed, replace opposite of what was found

Say I have this output from my syslog, precalculated src_hash => 20 bytes @ 0x7f811c001e20 A6 2D E5 CD 2A BA F0 42 56 66 19 D4 61 1A E3 A0 .-..*..BVf..a... C7 5E 5F 77 ...
4
votes
2answers
61 views

sed regex issue

I'm trying to replace a string in a file: $RELEASE = '1234'; The whitespace between RELEASE and the = symbol could be either spaces OR tabs. The quotes around the version number could be either ...
5
votes
2answers
184 views

Comment all lines from last commented line to line with 'foo'

Consider a text file users.txt: #alice #bob charlie dotan eric I need to comment everything from (exclusive) the last commented line until (inclusive) dotan. This is the result: #alice #bob ...
4
votes
3answers
130 views

Frequency of words in non-English language text: how can I merge singular and plural forms etc.?

I'm sorting French language words in some text files according to frequency with a focus on insight rather than statistical significance. The challenge is about preserving accented characters and ...
4
votes
3answers
178 views

Regex alternation/or operator (foo|bar) in GNU or BSD Sed

I cannot seem to make it work. GNU sed documentation says to escape the pipe, but that doesn't work, nor does using a straight pipe without the escape. Adding parens makes no difference. $ echo ...
1
vote
4answers
95 views

Simple sed replacement of tabs mysteriously failing

This ought to be really simple, but for some reason it is not working: sed -i.bak -E 's/\t/ /' file.txt Instead of replacing tab characters, it's replacing t characters. I've tried every ...