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

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1
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2answers
30 views

Addition of values

foo.txt: Lillypaul_sg 204803 204803 204803 Ammy_sg 3 ramaswamy_sg 3 33 tommy_sg 3 3 137374 100 Desired Out.txt : Lillypaul_sg 614409 Ammy_sg 3 ramaswamy_sg 36 tommy_sg 137480 The output is a sum ...
2
votes
3answers
74 views

Truncating the precision of a date

I'm working with a bash script which polls build progress from several different systems. If a build is complete, it stats a log file to find out the last time it was edited, then feeds that time into ...
1
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3answers
77 views

Search word preceded by Name in Sed

This thread is motivated by the arithmetic command found in the link of this thread here in Sed. So I would like to do backward arithmetic in Sed. Data Mikael symptom David symptom hello symptom ...
0
votes
1answer
42 views

How to remove certain number of lines every time particular string is found in file

I want to remove 1 previous line and 10 following lines every time a string was found in the file. foo.txt: } Name: john Line 3 Line 4 Line 5 Line 6 Line 7 Line 8 Line 9 Line 10 Line 11 Line 12 ...
4
votes
2answers
125 views

Replace 1st with 1), 2nd with 2), … in GNU Sed

Pseudocode which is a continuation from this answer gsed 's/|/1)/g' 's/|/2)/2g' 's/|/3)/3g' 's/|/5)/4g' 's/|/5)/5g' <input.csv >output.csv which is of course not working. I am interested in ...
1
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2answers
89 views

How to print few lines from middle of a file using unix shell commands? [closed]

My file containing the following lines, $BQ { VOL @home } database daba relation tcdeatid opendb clear .lruno := 72 <-- (This line lruno. := 72 has 10 times ...
5
votes
8answers
5k views

How do I delete the first n lines and last line of a file using shell commands?

I have a file named Element_query containing the result of a query : SQL> select count (*) from element; [Output of the query which I want to keep in my file] SQL> spool off; I want to ...
1
vote
3answers
379 views

Sed Replace at a specific group of positions

I have a sample input file as below: Apple Orange Gold Silver Spoon Apple Orange Gold Apple Apple Orange Apple Orange Mango Gold ...
3
votes
2answers
129 views

shell script to extract between characters

I would like to extract a user name from the file between the keywords "/" and "NET" like below. How can I do so with programs like awk, sed or cut. from: audit: command=true ...
3
votes
4answers
536 views

Extract paragraph separated with *** using AWK

I have a file like below: blablabla blablabla *** thingsIwantToRead1 thingsIwantToRead2 thingsIwantToRead3 blablabla blablabla I want to extract the paragraph with thingsIwantToRead. When I had to ...
-2
votes
4answers
101 views

How to print last few contents in a line?

I have a file that has lines shown below, ta=/*92/*39/*1/*649/*12 ta=/*92/*12/*4/*342/*90 ta=/*92/*33/*9/*455/*3 ta=/*92/*12/*3/*649/*25 ta=/*92/*99/*7/*649/*7 and so on. I want a file that will ...
3
votes
4answers
209 views

To remove newlines after empty line

Data 4. Alendronic acid A. Antiosteoporotic agent. B. Inhibit osteoclast formation and function by inhibiting FPPS enzyme, so increase bone mass. C. Osteoporosis in combination with vitamin D. ...
-2
votes
1answer
58 views

Remove everything else after this mark?

Data C. Induction anesthesia, muscle relaxant, anxiolytics, 1st line sleeping disorder (but short time in market). \part{Theoretical Questions} Lorem Code cat ...
3
votes
7answers
219 views

Insert a word in the first line of the file

Input: firstline secondline thirdline ...some magic happens here... :) Output: insertedtextfirstline secondline thirdline Question: How can I insert the insertedtext to the start of the first ...
2
votes
2answers
145 views

Inserting into middle of a string using sed

I'm trying to insert a string into multiple lines using sed, but i don't get the desired result I have this: <p begin="540960420t" end="600189590t" xml:id="subtitle8">-Some ...
1
vote
1answer
96 views

Insert variable in specific place using sed

Please help me i'm trying to insert variable in a file with sed but has not yet successfully(( I have variable $time and i want insert it in index.html file in specific string(line number 53): the ...
3
votes
4answers
1k views

How to use sed command to modify a file's entry line by line in shell script?

This is my file1: #$BQ #{ VOL @home } #database daba #relation tcdeatid #copy 1 #{ version 0 } #opendb #clear #.lruno := 72 #.infno := 1 #.tid.noel := 101 #.tid.info ...
4
votes
3answers
341 views

Convert /proc/cpuinfo to a JSON in linux bash

I'd like to convert the entire entry of a cat /proc/cpuinfo to a JSON of "key" : "value". Is this possible? I tried to explode the string using \n in hopes that I could get each line and then I could ...
2
votes
4answers
70 views

remove the content from the beginning to the first blank line

I'm trying to remove the content from the beginning of the text to the first blank line. --($:~)-- cat example.txt pedro pablo juan francisco emiliano martin So, I would delete: pedro pablo ...
4
votes
5answers
230 views

Multiline Text Processing : Editing sshd_config

I have multiple blocks at the end of my sshd_config files like theses: Match User FOO ChrootDirectory /srv/www/FOO AllowTCPForwarding no X11Forwarding no ForceCommand internal-sftp ...
4
votes
3answers
979 views

How to insert multiple blank lines after every line

I want to insert 5 blank lines after every line in my input file. foo.txt: line 1 line 2 line 3 out.txt: line 1 line 2 line 3 ... Solaris 5.10, nawk or sed.
0
votes
3answers
104 views

Extract value from one file and insert it into another file replacing some other value

I have two files, whose line numbers are not same. But in file1 I want to replace lines taking reference from file2 using sed command. In file1: tid.infno := 72 tid.setnr := 120 (This number 120 is ...
2
votes
4answers
934 views

Using Grep -o or Sed/Awk to Grab Snippet from Middle of String

I am watching log traffic and see regular abuse of the various image search engines, Bing particularly. Example URL: ...
3
votes
6answers
258 views

grep with continuation lines

How can I grep/awk/sed a file looking for some pattern, and print the entire line (including continuation lines if the matched line ends with \? File foo.txt contains: something whatever thisXXX ...
2
votes
3answers
89 views

Delete lines between 2 strings in Solaris

I want to delete all the line between two patterns using basic awk or sed. foo.txt : ---------------------------------------------------------------------- Cap in MB line 2 line 3 line 4 line 5 ...
1
vote
0answers
43 views

-e option in sed [duplicate]

I saw someone do this to replace "upon" with "eat" in a text file called oro. sed -i -e "s|upon|eat|" oro Question: what is the purpose of -e option in the above command? I tried with and without ...
3
votes
1answer
54 views

How to output a comparison of values in separate files

With the following two files available with build names and version numbers available: server.txt Build2 200 Build3 100 Build1 400 Build7 200 local.txt Build1 300 Build2 200 Build3 100 In my ...
5
votes
6answers
483 views

sed command to swap characters

My input file layout is: mm/dd/yyyy,hh:mm,other fields I need to format it as: yyyy-mm-dd hh:mm:00,other fields sample input: 01/02/1998,09:30,0.4571,0.4613,0.4529,0.4592,6042175 ...
0
votes
3answers
3k views

How to detect end of line with sed

I'm looking for a way to only execute replacement when the last character is a newline, using sed. For instance: lettersAtEndOfLine is replaced, but this is not: lettersWithCharacterAfter& ...
5
votes
3answers
503 views

Why are these curly braces necessary in sed?

I wanted to do a range limited search in sed so I tried sed -n '195,210 /add/ p' <file> Which gave sed: -e expression #1, char 9: unknown command: `/' Purely as a guess, I tried adding ...
1
vote
3answers
1k views

Print previous line after a pattern match using sed?

I want to print previous line,every time a match was found. I know about grep -A and -B options. But my Solaris 5.10 machine doesn't support those options. I want solution using only sed. Foo.txt: ...
2
votes
2answers
203 views

Remove first n lines from file with variable

The command below works for deleting the first 3 lines: sed -i -e 1,3d t.txt So I tried substituting the 3 with a variable in a script as below NrLines=$(wc -l t.txt) sed -i -e 1,"$NrLines{d}" ...
4
votes
6answers
499 views

Extracting lines based on conditions

Each line in a comma-separated file has 5 fields. a,b,c,d,e f,g,c,i, j,k,c,m,n o,p,c,r,s t,u,c,w, x,y,z,aa,bb How can I extract the lines which have c in the 3rd field and their 5th field is NOT ...
3
votes
3answers
267 views

To replace % marks but not \% in Perl Regex

I am thinking how you can replace [^\]% marks but not \% marks in the sed -command of this answer. I think look-behind is not necessary. My current Sed command but I think Perl is a must here cat ...
0
votes
3answers
918 views

Find all words beginning with Q

How do I search a text file and list all the words begining with Q? The file I am searching is Python source code. The closest I have found to a soulution is this question but that is not what I ...
2
votes
2answers
50 views

sed replace after matching character

I have to change a properties file containing the property: ro.product.firmware=0.0.1 with a new value that is coming from a function called in a different section of my bash script. I cannot get ...
0
votes
2answers
47 views

sed replace ;“ content with ';”

I have files that contain ;" and I need it replaced with ';" The following sed command does not work: sed -i "s/;"/';"/g" /root/bashy.sh How can I do this? The solution doesn't have to be sed.
2
votes
2answers
141 views

how to print field between the double quote

I have the following file conf.txt: perl /home/site/gen.pl "GG - W C1 Test - sai1" "15072" && ssh 13.4.93.103 perl /home/site/gen.pl "GG - W C1 Test - sai2" "15072" && ssh ...
1
vote
1answer
63 views

Is it possible to pass arguments to a sed script?

Consider a simple sed script foo-to-bar.sed: s/foo/bar/ and the simple invocation: sed -f foo-to-bar.sed some-file.txt Now, let's say I want to customize the replacement string (bar in this ...
1
vote
2answers
49 views

Re-print an array in a certain format?

I wish to take 10 random lines of file, which is 100 lines long. First, I randomly generate 10 integers between 1 and 100 (inclusive) with ind=$(shuf -i 1-100 -n 10 | sort -n) Then, I wish to use ...
0
votes
1answer
44 views

Move a range of words to the end of the string

I have the following string: "5 S comment=whatever Unspecific text fruit=apple animal=mouse sky=blue" I need to move to end of the string, all that begin with comment to the word text. The start ...
3
votes
3answers
276 views

Specific column level substitution

If I have a file with columnar entries, is it possible to substitute specific entries from a specific columns only and save changes to the same file?? Example a file abc.txt: SR|FRUITS|COLOR| ...
2
votes
2answers
237 views

Delete blank columns

This must be a common problem, but I couldn't find a solution. I have several files which have different sets of columns which are completely blank (for all rows except header) , how can I delete ...
4
votes
6answers
237 views

Append something to each list in a file

I have a file, lists.txt, that looks like this: // stuff at beginning of file var list1 = new Array(); i = 0; list1[i++] = 'a'; list1[i++] = 'b'; ... list1[i++] = 'z'; var list2 = new Array(); i = ...
0
votes
1answer
104 views

Sed: how to replace 0 and :?

sed -i s:group\:\:000::g myfile /usr/local/bin/sed: -e expression #1, char 12: number option to `s' command may not be zero I want to replace the string group::000 with nothing,i tried to escape ...
1
vote
3answers
211 views

Data extraction from text file

I have a text file in the following format:- $DATA1 SOURCE='HSPICE' VERSION='I-2013.12-SP2-1 32-BIT' .TITLE 'cmos inverter transfer characteristics' index t_r t_f ...
0
votes
3answers
203 views

Concat 1000 files within a directory [closed]

I know we can concat files by cat file [file] [[file] ...] > joined-file. I have directory which contains lots of files. I want to concat all of them. I want to concat 1000 files irrespective of ...
0
votes
3answers
183 views

awk or sed or perl: remove only characters on specific position

I have multiple files to rename leng-1494-001 leng-1464-002 leng-2414-004 leng-7894-005 leng-1323-006 I want to rename it ferr-1494-001 ferr-1464-002 ferr-2414-004 ...
0
votes
2answers
242 views

Print text between two patterns not containing a particular word

I wanted to print some text between two patterns which doesn't contain a particular word input text is HEADER asdf asd asd COW assd TAIL sdfsdfs HEADER asdf asd sdfsd DOG sdfsdfsdf TAIL sdfsdfs ...
2
votes
1answer
110 views

How do I properly escape this long su + sed command?

#!/bin/bash wineuser=tom su $wineuser -c "sed -i '$ialias ptgui "wine ~/.wine/drive_c/Program\ Files/PTGui/PTGui.exe\"' /usr/people/$wineuser/config/cshrc.csh" The acutal line inserted to tom's ...