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What will be the output after executing the given shell script in Linux?
Output: -c, –command: This option is used when we want to run a particular command rather than interactive shell and get terminal information in the file given as argument or typescript by default. The script will automatically exit after successful execution.
What is a special file in Linux?
In Unix-like operating systems, a device file or special file is an interface to a device driver that appears in a file system as if it were an ordinary file. These special files allow an application program to interact with a device by using its device driver via standard input/output system calls.
Can you write the output into a Linux file?
However, bash allows you to redirect and write the output into the file in Linux or Unix-like systems. This is useful for processing or saves the terminal output to a file for other purposes.
What is the output of the A.Sh script?
$ ./a.sh Script started, output file is log.txt teste Script done, output file is log.txt $ cat log.txt Script started on Fri Feb 16 17:57:26 2018 command: /bin/bash -c ./a.sh teste Script done on Fri Feb 16 17:57:26 2018 You want to use tee. This creates a file out.txt with the output from the command and prints it to the screen.
How to capture the output of a script in Bash?
A method I found to capture all output from any session is to start a new bash session and tee to a log file. its really useful for tracking more then just a script. ./myscript.sh | tee ./myscript.log #this will log only the output of the script. You can always invoke script inside a script to log everything.
How to save output to file in Bash?
How to save the output of a command to a file in bash using tee command. The tee command read from standard input and write to standard output and files. The syntax is as follows for writing data into the file: command | tee file.txt Want to append data? Try command | tee -a output.txt. Examples