simply bash script doesn't work
#!/bin/bash echo "hello"
I run this script and I have got only empty space why? I am sure my code is okay, so why don't show text's?
please specify what the problem is.
If your script doesn't run:
For running scripts you should make it executable:
chmod +x script.sh
Another thing that you should know is about SELINUX you should make sure it is sat or not...and specify at which directory it is running?
please run this command and let me know:
ls -l scipt.sh
echo command doesn't work:
At first run it in your terminal and see the result...may be the command
echo is removed or not...
try to run this bash:
#!/bin/bash echo "hello" echo $?
and try this one:
#!/bin/bash STR="Hello World!" echo $STR
Running shell scripts from Bash, Executing that script involves invoking the bash program at the command-line and giving it How to write a basic shell script and How to write reusable shell scripts and because bash honestly doesn't care what you name your files or what If your script doesn't run: For running scripts you should make it executable: chmod +x script.sh Another thing that you should know is about SELINUX you should make sure it is sat or notand specify at which directory it is running? please run this command and let me know: ls -l scipt.sh IF echo command doesn't work:
Bash Scripting: Everything you need to know about Bash-shell , It doesn't matter if run this program using a script file or directly in the terminal. The basic syntax for a for loop in Bash is as following. I would like help creating a simple perl or bash script that I will be using in my work as a junior bioinformatician. Essentially, I would like to take a tab-delimted or .csv text with 3 columns and write them to a "3D" matrix:
I ran into the same puzzling issue when running my hello world script from a terminal window, using Ubuntu. I was editing the file using gedit, giving all permissions from the properties gedit functionality, and when running ./hello_world.sh, further chmoded to +x from a terminal window as well, it simply wouldn't show the result of my echo "Hello World" command.
Needless to say as I have been through all the above answers and all showed my script should have worked.
I simply solved it by editing the script using vim from a terminal window! Then chmod +x again just in case, ran the script and Hello World finally appeared!
But I don't know why it didn't work using the gedit edition;
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make sure u've already made your content to your script file. In some case, if u use some editor like vscode it has some option that won't save content to the file.If this is your case, u may change the option.
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