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Recent questions tagged bash
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bash - WSL run linux from windows without spawning a cmd-window
I have WSL bash running in a cmd. I don't use it for anything, it just hangs there to keep the WSL ... getting this cmd window every time? See Question&Answers more detail:os...
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bash - How to get the PID of a process in a pipeline
Consider the following simplified example: my_prog|awk '...' > output.csv & my_pid="$!" #Gives the PID for awk ... to help clarify what I need. See Question&Answers more detail:os...
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bash - What does -- do when running an npm command?
As an example, double dash or two hyphens -- is used like so: npm test -- --coverage Running npm without ... 't find the documentation on this. See Question&Answers more detail:os...
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bash - run python script directly from command line
#!/usr/bin/env python I put that at the top of a script. I've seen that should make the script runnable from ... at the beginning of the 'call'. See Question&Answers more detail:os...
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bash - How to detect if a Node.js script is running through a shell pipe?
My question is similar to this one: How to detect if my shell script is running through a pipe?. The difference ... the piped value in Node.js? See Question&Answers more detail:os...
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bash - How to match a single quote in sed
How to match a single quote in sed if the expression is enclosed in single quotes: sed -e '...' For example need to match this text: 'foo' See Question&Answers more detail:os...
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Oct 17, 2021
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558
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bash - for loop for multiple extension and do something with each file
I'm trying to write a for loop in bash to get the files with extension of jpg, jpeg, png, this i my ... the filename back with a new extension. See Question&Answers more detail:os...
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Oct 17, 2021
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585
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bash - Scripts for computing the average of a list of numbers in a data file
The file data.txt contains the following: 1.00 1.23 54.4 213.2 3.4 The output of the scripts are ... 54.646 Some simple scripts are preferred. See Question&Answers more detail:os...
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Oct 17, 2021
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902
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bash - How to grep for case insensitive string in a file?
I have a file file1 which ends with Success... OR success... I want to grep for the word success in a way ... with both Success... OR success... See Question&Answers more detail:os...
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Oct 17, 2021
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bash - Why does this snippet with a shebang #!/bin/sh and exec python inside 4 single quotes work?
I'm trying to understand one of the answers to this question: Cannot pass an argument to python with "#!/usr/ ... near the end of that string? See Question&Answers more detail:os...
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Oct 17, 2021
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bash - How to keep associative array order?
I try to iterate over an associative array in Bash. It seems to be simple, but the loop doesn't follow the initial ... array... Is there a way? See Question&Answers more detail:os...
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Oct 17, 2021
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652
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bash - How to pass a variable in a curl command in shell scripting
I have a curl command: curl -u ${USER_ID}:${PASSWORD} -X GET 'http://blah.gso.woo.com:8080/rest/job- ... of the variable in the curl command. See Question&Answers more detail:os...
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752
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bash - Pipe multiple commands into a single command
How can I pipe the stdout of multiple commands to a single command? Example 1: combine and sort the output of all ... /tmp/foo; sort /tmp/foo See Question&Answers more detail:os...
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Oct 17, 2021
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bash
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1.1k
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bash - How to run 'cd' in shell script and stay there after script finishes?
I used 'change directory' in my shell script (bash) #!/bin/bash alias mycd='cd some_place' mycd pwd pwd prints ... to change my path by script? See Question&Answers more detail:os...
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bash
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votes
560
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bash - How to update one file in a zip archive
Is it possible to replace a file in a zip file without unzipping deleting the old file adding the new file and ... doesn't do what i need See Question&Answers more detail:os...
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Oct 17, 2021
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597
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bash - Why doesn't my terminal output unicode characters properly?
For example, my terminal does this: $ echo -e "xE2x98xA0" ??? I expect it to do this: $ echo - ... ="C" LC_IDENTIFICATION="C" LC_ALL= See Question&Answers more detail:os...
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1.4k
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1
answer
bash - How do I integrate MSYS2 shell into Visual studio code on Window?
I tried to integrate MSYS2 shell into Visual studio Code integrated terminal. Here's my user settings: { " ... MSYS2 shell into my vscode? See Question&Answers more detail:os...
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521
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bash - mysqldump with db in a separate file
I'm writing a single line command that backups all databases into their respective names instead using of dumping all ... doesn't work though. See Question&Answers more detail:os...
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bash
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667
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bash - Hiding secret from command line parameter on Unix
I've a script that launches inside of itself a command with a parameter that is a secret. For example: ... command line parameter is obfuscated? See Question&Answers more detail:os...
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Oct 17, 2021
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bash
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1
answer
bash - How to convert hex to ASCII characters in the Linux shell?
Lets say that I have a string 5a. This is the hex representation of the ASCII letter Z. I need to know a ... will see a solitary letter Z: Z See Question&Answers more detail:os...
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Oct 17, 2021
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bash
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votes
518
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answer
bash - How to insert a new line character after a fixed number of characters in a file
I am looking for a bash or sed script (preferably a one-liner) with which I can insert a new line character ... of characters in huge text file. See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
613
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bash - Extract parameters before last parameter in "$@"
I'm trying to create a Bash script that will extract the last parameter given from the command line into a variable ... there a way to do this? See Question&Answers more detail:os...
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bash
0
votes
605
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1
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bash - Recursively read folders and executes command on each of them
I am trying to recurse into folders and then run commands on them, using bash script. Any suggestions? See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
820
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bash - Check if image:tag combination already exists on docker hub
As part of a bash script, I want to check if a particularly docker image:tag combination exists on docker ... push docker image with that tag See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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bash
0
votes
559
views
1
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bash - Using dot or "source" while calling another script - what is the difference?
Let's take a little example: $ cat source.sh #!/bin/bash echo "I'm file source-1" . source-2.sh ... . What is difference between these methods? See Question&Answers more detail:os...
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bash
0
votes
728
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1
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bash - Is there anything in Zsh like .bash_profile?
Everytime I open the terminal, I have to source .bash_profile to enable the $JAVA_HOME or other variables. See Question&Answers more detail:os...
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647
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bash - Easiest way to check for an index or a key in an array?
Using: set -o nounset Having an indexed array like: myArray=( "red" "black" "blue" ) What is the shortest ... key2 is already used for example? See Question&Answers more detail:os...
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703
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bash - Grep output with multiple Colors?
Is there an elegant method in bash for running grep against a text file with two or more patterns, and each ... , grep and crayons or others. See Question&Answers more detail:os...
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Oct 17, 2021
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