Practical guide on the ways of copying the files in Linux using the cp, rsync, and scp commands to copy the files and directories locally and to a remote host. In this guide, we will learn about copying files and directories in Linux.
Bash does not have the try-catch command. A few alternatives like checking exit code, the trap command, and tracing output, can be applied to locate the errors instead.
Comprehensive tutorial on the uses of prompt with the “read” command in the Bash script and the benefits of using a prompt message with the “read” command.
Comprehensive tutorial on the various methods of using the =~ operator in Bash to search the string values with different types of regular expressions.
The purposes of using the single quotes in the Bash script using single quotes with both echo and printf commands to define a string data or execute a command.
The simple uses of the logical AND operator in Bash script to define the logical expressions in any programming language and check two or more conditions.
Practical guide on the various uses of Bash substring extraction to extract the substring from a string data after a specified character using the Bash script.
Tutorial on the different ways of using the named arguments in Bash script to know how to pass them and understand which argument contains which type of data.
Comprehensive tutorial on the multiple ways of calculating the sum of a column from a file using the “awk” script in Bash through different examples
Practical tutorial on method of comparing two values using the “!=” and “-ne” operators to check the equality or inequality of two strings or numbers.
Tutorial on the methods of counting the length of an array in Bash using the “#” symbol or loop, or using the “wc” or “grep” commands along with examples.
Practical guide on how to use the recursive “grep” command to search the content in a directory of multiple files using different types of options and patterns.
Checking the uses of the number of arguments in Bash script for various purposes such as error handling, providing messages based on the number of arguments.
The method of checking if a regular file exists in Bash or not in the current or particular location using the file test operators with the “test” command.
Tutorial on the various uses of the “bc” command in Bash scripts to generate the fractional value of any mathematical calculation with the precision value.
Tutorial on the “.bash_profile” file in Bash to set the environment variable or define any script to perform the automated tasks at the startup of the system.
How to use the Bash sleep command to stop the execution of the script for a certain period or do any scheduled task before executing a particular script.
We can use different techniques to check the existence of input arguments, such as using the “test” command, the “$#” variable, or the “-n” option.
The “pip: command not found” error can be easily corrected by checking if pip is installed, installing it if necessary, and setting the path to pip in the Bash.
To add a New Element to an Array Without Specifying the Index in Bash, use the += operator with the name of the array. Read this guide for more details.