When I do It works fine. But when I do the same thing with I get ~/Desktop/out.txt: No such file or directory. Why? Answer Take the tilde out of the quotes so it can be properly expanded: You can also use ${HOME} if any subsequent part of your path contains spaces and you want to quote the whole path:
Tag: bash
Bash script to install AWS CLI tools
I am writing a bash script that will automatically install and configure AWS CLI tools. I am able to install AWS CLI tools but unable to configure it. My script is something like this: I wish to do the configuration using this script too. I wish that I can provide these credentials via script so that it prevents manual entry.
Use Bash variable within SLURM sbatch script
I’m trying to obtain a value from another file and use this within a SLURM submission script. However, I get an error that the value is non-numerical, in other words, it is not being dereferenced. Here is the script: When I run this as a normal Bash shell script, it prints out the number of procs correctly and makes the
Calling shell script from C++
A shell script test.sh is called from C++ code by the command execl(“/system/bin/sh”,”sh”,”test.sh”) After the execution of shell script i need to get back the control to C++, but the shell script is just exiting not executing the next instructions in C++ code Answer You want to use fork to create a child process before you exec:
how to transfer data between local and remote server connected via intermediate server?
I can login by ssh -X servA from local, then ssh -X servB from servA To copy data from local to servB, I scp files from local to servA, then from servA to servB. Is it feasible to copy files from local to servB directly and vice versa? Answer You can use nc (net cat) as a proxy for ssh.
Print the alphabet in bash
I would like help with the following algorithm in bash (or anything accessible through bash shell): I give a number to some function, and based on that number I obtain a string of alphabet letters. Example: I do not wish to occupy more memory than I need, so approaches such as for i in {A..Z} or echo {A..Z} or echo
convert images to pdfs in subdirectories
I have a bunch of sub-folders with images in them. I am trying to recursively convert them into pdf files using the directory names as the pdf name. With the help of some Google searches I tried using this script I wrote: It did not work. How can I get this to work? Each folder has several .JPGs in it
bundle install not running from my post-update hook
I’ve setup a post-update hook for my project. I have a bare repository (/var/git/myproject) which I push to, and a live repository (/var/www/myproject) where my app is running. I also included bundle install and bundle exec rake db:migrate to install gems and update db. Below is my post-update hook When I push my changes though I get the following message
Bash: Syntax Error Near Unexpected Token `(‘ When Using Wgrib2
Good Evening All, I’m currently having a bash syntax issue when I try to run the following command in my terminal, the bash: syntax error near unexpected token `(‘ error message pops up after I run the below code: I realize that not many people on here probably have experience using wgrib2 but, this seems like a syntax error, not
crontab not working under arch linux
I tried to set up a schedule to remove the old file and folder after several days. I put the following code in a script file and tried to use crontab to run it every day. The find command worked fine. but the crontab seems not execute the script file. I also use crontab for other tasks, i.e. rsync, they