All Questions
38,984
questions
0
votes
0
answers
21
views
How do make a custom command to be executed directly from a folder using bash
I want to create a custom command that executes a bash script when a use types it in the terminal. So for example when they type in project setup it executes the setup bash script and then they can ...
- 25
-1
votes
0
answers
22
views
source $HOME/.bash_profile does not save the Output after reboot
I have created a simple Shell script using the below commands.
# Setting the JAVA_HOME PATH in .bash_profile. NOTE: - We need to run this only if we are downloading the Java and running it manually. ...
-1
votes
0
answers
12
views
character like '\' coming in SQL output while assigning the output to a variable in shell script [duplicate]
I am trying to run a SQL query in shell script and assigning its output to a variable.
When I run the script in Putty in the output variable character like \ is coming in data.
But when I run the same ...
0
votes
1
answer
39
views
sed command is not replacing the files in my directory [duplicate]
When I run my bash script(given below) the files are not changed. The replacement does not happen for some reason. I am running the command as sudo, and the html folder has permssions 775 with the ...
-2
votes
0
answers
24
views
Unable to read multiple output returned from a sql query in shell script [closed]
How can I read multiple columns output from a sql and assign them to a variable and then read each row returned one by one and use those variables in each loop run to perform my if else function
...
0
votes
1
answer
38
views
How to assign the result of mysqldump command into a variable?
In my bash script, I have tried
dumpresult=$(mysqldump --user="${dbuser}" --password="${dbpw}" ${dbname} > ${desdir}/${filename_sql})
and
dumpresult=`mysqldump --user="${...
1
vote
2
answers
77
views
How to delete all files except the last day files in Linux?
Suppose these are my files:
file1 ==> 2024/07/10
file2 ==> 2024/07/9
file3 ==> 2024/07/9
file4 ==> 2024/07/8
I'm going to delete all files, except files which create date is yesterday (...
- 3,865
0
votes
0
answers
36
views
Why timeout works differently when executed from terminal vs from a shell script file
I wanted to implement a unit testing shell script file that runs a command, compares the expected and actual output, and also add timeout constraints.
I used actual=$(timeout 2s ./bf --file ./test/inc-...
- 803
0
votes
2
answers
82
views
Bash: Reading in a string from a file with variable substitution
I have a weird situation where I have a command stored in a file and that file contains references to variables.
I'm able to read the file just fine, but I'm having trouble getting variable expansion ...
- 540
0
votes
0
answers
38
views
For loop of bash script not working, reading lthe next lines within the previous loop [duplicate]
I cannot solve the for loop error in bash script.
The bash script is for extracting data from remote server, copying mapped files locally, and then executing a tcl script.
The above process should ...
- 27
1
vote
1
answer
47
views
Bash: How to continue for loop when condition X is satisfied
I'm trying to start a process on multiple VMs using GitHub Actions. However, the command doesn't complete (as it needs to continue running) so my for loop just kind of hangs.
What I need, is a way to ...
- 551
1
vote
1
answer
74
views
Create an alias in bashrc file [duplicate]
In Linux terminal, normally I can copy files from another unix server using:
scp -r [email protected]:/data/filename ./
which secure copies the remote file to my current directory. I've made sure ...
- 37
0
votes
3
answers
81
views
Pass multiple arguments to single command in custom position xargs
I want execute a command where I have the args as single string but they need to be in a custom position. E.g. in the following example I want the args to be positioned before any fixed args that I ...
0
votes
2
answers
75
views
create a variable using a value of another variable and store value into the newly created variable in shell/bash script [duplicate]
I am trying to create a Variable from value of another variable and trying to store value into the created variable in Shell Script. For Example:
Let there is a existing variable i=1
I am trying to ...
2
votes
2
answers
73
views
Regex using Bash metacharacters in double bracket `[[…]]` command using `=~` operator
The Bash reference manual, in sec. 3.2.5.2 Conditional Constructs, says
It is sometimes difficult to specify a regular expression properly without using quotes, or to keep track of the quoting used ...
- 427