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1 vote

2 answers

270 views

Regex extract substring after '=' sign [duplicate]

I saw many examples, but for some reason it still does not work for me. This is the command I'm executing: NUMBER=$(docker logs vault | grep Token) NUMBER=${NUMBER##*": "} NUMBER=$(echo $NUMBER | ...

David Faizulaev

5,491

asked Feb 20, 2018 at 19:59

0 votes

0 answers

40 views

Is there a simple way to save variables from sed/awk? [duplicate]

I'm struggling with the following: Current File: text1,text2,add(a,b),text3 Target File: text1,text2,a b c,text3 where a and b vary. Example: text1,text2,add(11,12),text3 text1,text2,add(41,42),...

help_me

1

asked Apr 23, 2020 at 7:58

527 votes

10 answers

650k views

Capturing Groups From a Grep RegEx

I've got this script in sh (macOS 10.6) to look through an array of files: files="*.jpg" for f in $files do echo $f | grep -oEi '[0-9]+_([a-z]+)_[0-9a-z]*' name=$? ...

Isaac

16.2k

asked Dec 12, 2009 at 0:55

264 votes

17 answers

202k views

Only get hash value using md5sum (without filename)

I use md5sum to generate a hash value for a file. But I only need to receive the hash value, not the file name. md5=`md5sum ${my_iso_file}` echo ${md5} Output: 3abb17b66815bc7946cefe727737d295 ./iso/...

John Doe

10.1k

asked Sep 9, 2010 at 18:07

127 votes

6 answers

300k views

How to extract text from a string using sed?

My example string is as follows: This is 02G05 a test string 20-Jul-2012 Now from the above string I want to extract 02G05. For that I tried the following regex with sed $ echo "This is 02G05 a ...

RanRag

49.2k

asked Jul 19, 2012 at 20:34

58 votes

4 answers

79k views

sed - how to do regex groups using sed

Is there anyway you can do regex match group using sed like java regex pattern/match/group? if i have string like test-artifact-201251-balbal-0.1-SNAPSHOT.jar how do I use sed just to get the ...

Shengjie

12.6k

asked Jul 25, 2012 at 13:33

25 votes

4 answers

56k views

capturing groups in sed

I have many lines of the form ko04062 ko:CXCR3 ko04062 ko:CX3CR1 ko04062 ko:CCL3 ko04062 ko:CCL5 ko04080 ko:GZMA and would dearly like to get rid of the ko: bit of the right-hand column. I'm trying ...

Mike Dewar

11.1k

asked Jul 21, 2010 at 18:17

9 votes

3 answers

12k views

Performing regex capture and then substitute using SED/PERL

I have a data that looks like this (let's call this file submit.txt): dir1/pmid_5409464.txt dir1/pmid_5788247.txt dir1/pmid_4971884.txt What I want to do is to perform an inline file regex change so ...

neversaint

63.2k

asked Jul 31, 2013 at 2:25

3 votes

6 answers

4k views

How do I output only a capture group with sed

I have an input file Werkzeug==2.0.2 # https://github.com/pallets/werkzeug ipdb==0.13.9 # https://github.com/gotcha/ipdb psycopg2==2.9.1 # https://github.com/psycopg/psycopg2 watchgod==0.7 # https:...

Kwesi Smart

420

asked Jan 14, 2022 at 10:14

0 votes

2 answers

1k views

How save each Capturing Groups of a bash regex?

To make it really simple, I must use a regex to select string in a complex file. I would like to "save" in a file some part of the regex selection. So I use capturing groups and... I don't know how to ...

A D

25

asked Sep 14, 2018 at 19:53

-1 votes

2 answers

838 views

Extracting text with sed and conditionally present white space

I am trying to dynamically find a directory the be used programmatically later on in a script. The problem that I am having is accounting for white space which may or may not be there. Using the ...

Allan

1,232

asked Mar 5, 2018 at 22:29

0 votes

1 answer

381 views

Regex in sed to match a subpath in a path with capturing groups

I have a list of dictionaries, made by two files named index with extension {aff,dic} like dictionaries/dictionaries/bg_BG/index.dic dictionaries/dictionaries/ca_ES/index.dic dictionaries/...

loretoparisi

16.1k

asked Nov 30, 2016 at 1:43

1 vote

2 answers

290 views

Extract a section in a config file line using sed

I'm trying to continue to extract and isolate sections of text within my wordpress config file via bash script. Can someone help me figure out my sytax? The lineof code in the wp-config.php file is: $...

sven30

443

asked Aug 21, 2020 at 2:36

0 votes

1 answer

402 views

replace capture match with capture group in bash GNU sed

I've looked around to find a solution to my problem in other posts listed bellow, but it looks my regex is quit different and need special care: How to output only captured groups with sed Replace one ...

yudarik

113

asked Nov 14, 2017 at 9:25

1 vote

8 answers

158 views

Get the character that precede each occurrence of given character/pattern in a string

I'm trying to get the character that precede each occurrence of given character/pattern in a string using standard bash tools as grep, awk/gawk, sed ... Step I: get the character that precede each ...

moocan

131

asked Jul 4, 2018 at 0:27

Collectives™ on Stack Overflow

Linked Questions

Regex extract substring after '=' sign [duplicate]

Is there a simple way to save variables from sed/awk? [duplicate]

Capturing Groups From a Grep RegEx

Only get hash value using md5sum (without filename)

How to extract text from a string using sed?

sed - how to do regex groups using sed

capturing groups in sed

Performing regex capture and then substitute using SED/PERL

How do I output only a capture group with sed

How save each Capturing Groups of a bash regex?

Extracting text with sed and conditionally present white space

Regex in sed to match a subpath in a path with capturing groups

Extract a section in a config file line using sed

replace capture match with capture group in bash GNU sed

Get the character that precede each occurrence of given character/pattern in a string

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