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Recent questions tagged BASH
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bash - 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 and only retain the value? See Question&Answers more detail:os...
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587
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bash - Why is $$ returning the same id as the parent process?
I have problem with Bash, and I don't know why. Under shell, I enter: echo $$ ## print 2433 (echo $$) ... something like macro? Can you help me? See Question&Answers more detail:os...
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bash - How do I get both STDOUT and STDERR to go to the terminal and a log file?
I have a script which will be run interactively by non-technical users. The script writes status updates to STDOUT ... into the script itself.) See Question&Answers more detail:os...
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Oct 17, 2021
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833
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bash - Get Environment Variable from Docker Container
What's the simplest way to get an environment variable from a docker container that has not been declared in the ... my own computer. Thanks. See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
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597
views
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bash - What is the difference between PS1 and PROMPT_COMMAND?
While taking a look at this awesome thread I noticed that some examples use PS1="Blah Blah Blah" and some ... the answer would be appreciated. See Question&Answers more detail:os...
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Oct 17, 2021
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894
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bash - macOS Catalina 10.15(beta) - Why is ~/.bash_profile not sourced by my shell?
I want to set the environment variable I added below the line to ~/.bash_profile and ~/.profile but it didn ... echo $JBOSS_HOME I get nothing. See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
787
views
1
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bash - Sorting data based on second column of a file
I have a file of two columns and n number of rows. column 1 contains names and column2 age. I want to sort ... a one liner shell or bash script. See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
974
views
1
answer
bash - Save file to specific folder with curl command
In a shell script, I want to download a file from some URL and save it to a specific folder. What is the ... how else do I get that result? See Question&Answers more detail:os...
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Oct 17, 2021
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0
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882
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bash - Use space as a delimiter with cut command
I want to use space as a delimiter with the cut command. What syntax can I use for this? See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
597
views
1
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bash - Copy files from one directory into an existing directory
In bash I need to do this: take all files in a directory copy them into an existing directory How do I do this? ... inside t2. How do I do this? See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
614
views
1
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bash - Write to file, but overwrite it if it exists
echo "text" >> 'Users/Name/Desktop/TheAccount.txt' How do I make it so it creates the file if it doesn' ... Right now this script just appends. See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
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751
views
1
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bash - Command to get nth line of STDOUT
Is there any bash command that will let you get the nth line of STDOUT? That is to say, something that ... me dropping a script into place. See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
712
views
1
answer
bash - recursively add file extension to all files
I have a few directories and sub-directories containing files with no file extension. I want to add .jpg to ... , can someone help please? See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
736
views
1
answer
bash - How do I clear/delete the current line in terminal?
If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to ... unless I press ↓ multiple times. See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
719
views
1
answer
bash - git branch vs $(git branch)
When I execute git branch on the command line I get a list of all the branches on a repo, however when I ... (git branch); do echo $i done See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
681
views
1
answer
bash - Reshaping from wide to long format
I am trying to use unix to transform a tab delimited file from a short/wide format to long format, in a ... advance for your thoughts on this. See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
848
views
1
answer
bash - .bash_profile syntax error: unexpected end of file
OS: macOS Sierra v10.12.2 I was trying to get R working from the command line and ran into this problem, ... and making it worse! Thank You! See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
676
views
1
answer
bash - What sort order does Linux use?
My Bash script is running things in a folder, in alphanumerical order. But it turns out it's not the ... alphanumerical order it should be? See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
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670
views
1
answer
bash - Check if command error contains a substring
I have a lot of bash commands.Some of them fail for different reasons. I want to check if some of my errors ... directory instead of a file" fi 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
573
views
1
answer
bash - When reading a file line by line, I only get to execute ffmpeg on the first line
I'm writing a Bash script in which I read a file line by line ( well, <(find /home/user/ -iname "*. ... why my code ignores all other lines ? 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
867
views
1
answer
bash - Pipe symbol | in AWK field delimiter
I have a file foo that has the following data: A<|>B<|>C<|>D 1<|>2<|>3<|>4 I want to properly access ... | 3 | 4 What's the reason behind this? See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
794
views
1
answer
bash - Argument list too long - Unix
This scripts will sort the files by date then move the first 2500 files to another directory. When I run ... -c "mv {} $DESTINATION_DIRECTORY" See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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bash
0
votes
794
views
1
answer
bash - Why does set -e; true && false && true not exit?
According to this accepted answer using the set -e builtin should suffice for a bash script to exit on the first ... stop the script; but why? 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
601
views
1
answer
bash - Find the similarities between two files
I have two file like: 1 2 3 4 5 6 7 8 9 10 and a file with two columns 1 0.11 2 0.12748 ... different combination of grep but it does not work. 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
604
views
1
answer
bash - How to redirect a program that writes to tty?
This is the un-redirected output (if you don't know what module is, it doesn't matter much): $ module help ... exec, not in an external program. 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
786
views
1
answer
bash - How do I get the exit code of command and not xterm?
If I call a command (in my case another script) with xterm like so: xterm -e sh second.sh The value in $ ... the exit status code of my script? See Question&Answers more detail:os...
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Oct 17, 2021
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bash
0
votes
815
views
1
answer
bash - Using regex to tell csplit where to split the file
I have a large text file with content set up like this: --- title: Lorim Ipsum Dolar --- Lorim ipsum content ... . I keeping getting "no match". 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
683
views
1
answer
bash - Expand variables in sed
I need use sed into bash script, for add lines after any line numer of script with some pair of ... i.bak '$number_linei$var1=$var2' $var3 See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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