Contents
- 1 Why does Bash command not work in script file?
- 2 Why does a sed command not work in Bash?
- 3 Where to find a command in a Unix shell?
- 4 Can you invoke ant in a shell script?
- 5 Why is cron job not running with same user?
- 6 Can you run bash from command line but not crontab?
- 7 Why does curl not work on command line?
- 8 How to run Linux command from command line?
- 9 How to debug a C shell script from command line?
- 10 How to know if a command is not found in Bash?
- 11 Why is grep-find not working in shell script?
- 12 What to do if Bash is not running via crontab?
- 13 How to change the source of a bash script?
- 14 Why is shell trying to run a script?
Why does Bash command not work in script file?
Now without password file option the command works fine with shell script, and NOT working in shell script file, same problem. In shell, command with debug options gives out about 50 lines of logs. whereas is the carriage return character, causing the trailing apostrophe to overwrite the beginning of the line.
Why does a sed command not work in Bash?
SED command not replacing in bash under Debian, but works in command line. Why doesn’t replace string in file when using sed in bash? Shell variables won’t get expanded in single quotes.
How to make a command work in shell?
In shell, command with debug options gives out about 50 lines of logs. whereas is the carriage return character, causing the trailing apostrophe to overwrite the beginning of the line. Make sure that your script contains Unix-style newlines (NL only). are three significantly different ways of invoking a script.
How to execute a bash script from the command line?
Then mark the script as executable and execute it from the command line or simply execute bash from the command line passing in your script as a parameter Make sure you are not using “PATH” as a variable, which will override the existing PATH for environment variables.
Where to find a command in a Unix shell?
Unix has a variable called PATH that is a list of directories where to find commands. If I type a command foo at the command line, my shell will first see if there’s an executable command /usr/local/bin/foo. If there is, it will execute /usr/local/bin/foo.
Can you invoke ant in a shell script?
In my shell script I cannot invoke ant, or mv or cp commands, but the same commands execute on terminal. Below is my script: cp, mv, ant are working only under terminal not via script.
How to make batch script run without administrator?
Test to make sure that the task runs. Right click the Task Scheduler event you just created, and select “Run” from the dialogue menu. The task should run without any issues. Continue on with the section below.
Why is my bash script not running with crontab?
In my case, the issue was that the script wasn’t marked as executable. To make sure it is, run the following command: Do crontab -e for whichever crontab you’re using and replace it with output of the above command. This should mirror most of your environment in case there is some missing path issue or something else.
Why is cron job not running with same user?
The cron job doesn’t run with the same user with which you are executing the script manually – so it doesn’t have access to the same $PATH variable as your user which means it can’t locate the Java executable to execute the commands in the script. We should first fetch the value of PATH variable as below and then set it (export) in the script –
Can you run bash from command line but not crontab?
Click here for more info. bash script works from command line but not crontab? The following works fine from the command line but fails when I attempt running it either as a CGI or from crontab. My preference would be to run it as a CGI. The error is that connections to any other than the machine it is running on fail.
Why does my Cron script run as root?
IIRC if you put your cron script in /etc/cron.daily, cron.monthly or cron.hourly, it runs as root and ssh is usually configured to deny root logins. That could be the reason for your Permission Denied errors. Ok. There is only one key pair present in ~/.ssh/ on the machine running the cron job.
How to add a path to a bash script?
To make your PATH entries available to /bin/sh scripts run by a specific user, add the PATH entry to the .profile file in that users home directory. Or set the PATH variable including all the required $PATHS at the beginning of your script.
Why does curl not work on command line?
When I’m using the value of variable cookie directly in the curl command on command line – it works; but it doesn’t work inside the script. Following error: Update: Removed back ticks – Don’t see any error now but no output.
How to run Linux command from command line?
On the command line (which works), do a which cp Whatever the reply, then copy that and use it as the cp in the script (e.g. /bin/cp) Check the widcard expansion, run your script with bash -x script-name and see if you get what you expect. echo $? after the copy in the script – if it is zero then it (thinks it) worked.
How to run bash script from shell script?
I suggest: Check the widcard expansion, run your script with bash -x script-name and see if you get what you expect. echo $? after the copy in the script – if it is zero then it (thinks it) worked.
How to check if condition in shell script?
In the above code, the number is entered through the command line, and then the remainder is checked using a modulo operator and then equated with 0 to see if the remainder is 0 or not.
How to debug a C shell script from command line?
7. Debugging C Shell Scripts There are two quick ways in which one can debug a C Shell script. The script can either be run from the command line as in one of the following two examples: >> csh –x myscript >> csh –v myscript or, the top most line of the script can be written as follows: #!/bin/csh –x #!/bin/csh –v
How to know if a command is not found in Bash?
If not, it will see if there’s an executable command /usr/bin/foo and if not there, it will look to see if /bin/foo exists, etc. until it gets to /Users/david/bin/foo. If it can’t find a command foo in any of those directories, it tell me command not found.
How to change the path of a bash script?
Use the command bash foo since foo is a shell script. Include the directory name when you eecute the command like /Users/david/foo or $PWD/foo or just plain ./foo. Change your $PATH variable to add the directory that contains your commands to the PATH. You can modify $HOME/.bash_profile or $HOME/.profile if .bash_profile doesn’t exist.
How to use find command in shell script?
Hence I have put the list of words in a file, and using for loop trying to read each word in a file and use find command to grep for that word in list of found files. And below mentioned is my shell script.
Why is grep-find not working in shell script?
OR you can add a full path to find command. If you don’t know where find are placed, execute: You need to replace single quotes with doublequotes (around of $ {LINE} ), otherwise the variable will not be interpreted: You do not need cat file, try to use loop instead. But use only while, not for!
What to do if Bash is not running via crontab?
To make sure it is, run the following command: Do crontab -e for whichever crontab you’re using and replace it with output of the above command. This should mirror most of your environment in case there is some missing path issue or something else. Also check logs for any errors it’s getting.
How can I run a script with Bash?
Now the script will work with either sh or bash. You should also run the script directly to avoid confusions like these by making it executable chmod +x xRUN, and invoking it like this: It will then use the command specified in the shebang and use the rest of the script as input.
Why is Bash source not working in CentOS 7?
I have a file to be sourced in Centos 7. It just works fine if I do : however, if I put this in a shell script, it doesn’t work.. can anyone tell me what I might be doing wrong, or missing? source is a command implemented in bash, but not in sh. There are multiple ways to fix your script. Choose either one.
How to change the source of a bash script?
You can also change the source with a dot command which does the same thing but is supported in both bourne and bash. Now the script will work with either sh or bash. You should also run the script directly to avoid confusions like these by making it executable chmod +x xRUN, and invoking it like this:
Why is shell trying to run a script?
So, shell is trying to find an executable file in the location: which is wrong as you can see. You would run a executable script that is the current directory as ./script.sh. Or even just the name of the script if the directory containing the script is in the PATH environment variable.