sed - McMap

8

Solved

bash + sed: trim trailing zeroes off a floating point number?

I'm trying to get trim off trailing decimal zeroes off a floating point number, but no luck so far. echo "3/2" | bc -l | sed s/0\{1,\}\$// 1.50000000000000000000 I was hoping to get 1.5 but some...

regex bash sed floating-point

Akilahakili asked 4/5, 2015 at 15:21

3

Solved

Add column to middle of tab-delimited file (sed/awk/whatever)

I'm trying to add a column (with the content '0') to the middle of a pre-existing tab-delimited text file. I imagine sed or awk will do what I want. I've seen various solutions online that do appro...

sed awk

Callimachus asked 14/8, 2012 at 10:45

5

Solved

Adding XML element in XML file using sed command in shell script

I am using sed command to insert an xml element into the existing xml file. I have xml file as <Students> <student> <name>john</> <id>123</id> </studen...

xml bash shell sed

Lacagnia asked 23/4, 2014 at 4:22

4

Solved

Delete empty lines in csv file

I have a file with 4 million of lines, every line ends with the char $, but I mistakenly add a new line after the the line delimiter while scraping a website, so right now it is looking like this: ...

linux bash sed awk vi

Duckbill asked 13/3, 2014 at 0:16

2

Solved

sed - Back reference on match pattern does not work

I need to find in files (xml) date in this format 2021-06-25T21:17:51Z and replace them with this format 2021-06-25T21:17:51.001Z I thought about using regexp with sed but back references does not ...

regex macos sed backreference

Olympus asked 24/1, 2022 at 18:29

3

Solved

Bash printf %q invalid directive

I want to change my PS1 in my .bashrc file. I've found a script using printf with %q directive to escape characters : #!/bin/bash STR=$(printf "%q" "PS1=\u@\h:\w\$ ") sed -i '/PS1/c\'"$STR" ~/.bas...

linux bash sed printf ps1

Hungary asked 26/9, 2014 at 22:8

7

Solved

Count unique values in one column based on a duplicate in another column

I have a file with an identifier and a value: ABC123 111111 ABC123 111111 ABCDEF 333333 ABCDEF 111111 CCCCCC 333333 ABC123 222222 DEF123 444444 DEF123 444444 Both columns contain duplicate values,...

bash awk sed

Irenairene asked 20/8, 2024 at 19:36

8

Solved

How to replace newlines with tab characters?

I have pattern like below hi hello hallo greetings salutations no more hello for you I am trying to replace all newlines with tab using the following command sed -e "s_/\n_/\t_g" but it's not...

shell unix sed awk

Ecthyma asked 24/10, 2009 at 11:23

4

Delete line containing one of multiple strings

I have a text file and I want to remove all lines containing the words: facebook, youtube, google, amazon, dropbox, etc. I know to delete lines containing a string with sed: sed '/facebook/d' myf...

bash text sed

Feeder asked 11/6, 2013 at 17:14

5

Solved

Find common lines to multiple files

I have nearly 200 files and I want to find lines that are common to all 200 files,the lines are like this: HISEQ1:105:C0A57ACXX:2:1101:10000:105587/1 HISEQ1:105:C0A57ACXX:2:1101:10000:105587/2 HIS...

bash shell awk sed

Peaceful asked 13/2, 2020 at 14:15

7

Solved

Capitalize strings in sed or awk

I have three types of strings that I'd like to capitalize in a bash script. I figured sed/awk would be my best bet, but I'm not sure. What's the best way given the following requirements? single ...

bash sed awk

Granvillegranvillebarker asked 3/8, 2012 at 21:14

9

Solved

Replace \n with \r\n in Unix file

I'm trying to do the opposite of this question, replacing Unix line endings with Windows line endings, so that I can use SQL Server bcp over samba to import the file. I have sed installed but not d...

unix cross-platform sed

Prearrange asked 5/10, 2009 at 18:30

5

Solved

Color highlighting of Makefile warnings and errors

I have written a Makefile which works fine; I am just posting the part of it under investigation: BUILD_PRINT = @echo -e "\e[1;34mBuilding $<\e[0m" COMPILE_cpp = $(CXX) $(CFLAGS) -o $@ -c $<...

linux bash colors sed makefile

Burnet asked 10/6, 2014 at 15:5

3

Solved

Finding a file within recursive directory of zip files

I have an entire directory structure with zip files. I would like to: Traverse the entire directory structure recursively grabbing all the zip files I would like to find a specific file "*myLostF...

linux bash ubuntu sed grep

Poaceous asked 8/5, 2015 at 15:41

8

Solved

Interpret as fixed string/literal and not regex using sed

For grep there's a fixed string option, -F (fgrep) to turn off regex interpretation of the search string. Is there a similar facility for sed? I couldn't find anything in the man. A recommendation ...

unix sed

Dinge asked 9/11, 2010 at 11:45

22

Solved

Add a newline only if it doesn't exist

I want to add a newline at the end of a file only if it doesn't exist. This is to prevent multiple newlines at the end of the file. I'm hoping to use sed. Here are the issues I'm having with my cur...

linux bash sed newline

Bergius asked 10/4, 2012 at 2:1

5

Solved

Regex case-insensitive search, but have output match the case in the regex

Recently I rewrote my program to find English words that are made of chemical symbol abbreviations, for example "HErSHeY". I came up with this dynamic regex: grep -Pi "^($(paste -s -...

regex sed pcre case-insensitive

Hypsography asked 4/5, 2024 at 0:34

4

Solved

sed replace line with multiline-variable

I'm trying to replace a single line in a file with a multiline string stored in a variable. I am able to get the correct result when printing to screen, but not if I want to do an in-place replacem...

bash sed multiline

Hindermost asked 25/9, 2014 at 14:25

4

Solved

The Concept of 'Hold space' and 'Pattern space' in sed

I'm confused by the two concepts in sed: hold space and pattern space. Can someone help explain them? Here's a snippet of the manual: h H Copy/append pattern space to hold space. g G Copy/append...

linux sed

Robena asked 11/10, 2012 at 6:46

5

Solved

Sed gives: sed: can't read : No such file or directory

I have the following bash script which repeats for each image found. It needs to iterated over all html, css and js files, and replace all occurrences of an image within that file. for image in a...

bash sed quoting gnu-sed

Halfandhalf asked 2/4, 2017 at 18:1

15

Solved

How do you strip quotes out of an ECHO'ed string in a Windows batch file?

I have a Windows batch file I'm creating, but I have to ECHO a large complex string, so I'm having to put double quotes on either end. The problem is that the quotes are also being ECHOed to the fi...

windows batch-file sed quotes echo

Behnken asked 29/4, 2009 at 22:56

4

Solved

Bump version with sed in package.json

I need to make an automatic bump of package.json in jenkins, and really stuck with it. The following sed command works in a pipeline but it changes the second field, I need to change the third on...

json sed

Basel asked 2/4, 2018 at 14:44

9

Solved

Delete specific line number(s) from a text file using sed?

I want to delete one or more specific line numbers from a file. How would I do this using sed?

unix sed line-numbers

Evidential asked 21/1, 2010 at 20:8

1

Bash pipe swallows exit code when pipe like sed or tee [duplicate]

I'm using turbo feature called turbo prune which creates folder out with partial copy of my monorepo, but unfortunately that means that when running in GitHub Actions commands like turbo run ...

bash shell sed pipe tee

Titoism asked 16/4, 2024 at 3:13

9

Solved

Append line to /etc/hosts file with shell script

I have a new Ubuntu 12.04 VPS. I am trying to write a setup script that completes an entire LAMP installation. Where I am having trouble is appending a line to the /etc/hosts file. My current hosts...

linux bash shell ubuntu sed

Dripdry asked 12/10, 2013 at 21:11

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