For loop will split the string into words and print each word by adding a newline. #!/bin/bash # Read a string with spaces using for loop for value in I like programming do echo $value done Output: $ bash for_l
To loop through words in a string, store the string in a variable. Then, parse the variable to aforloop as a list. For example: #!/bin/bash # For loop with string strings="I am a string" for i in ${strings} do echo "String $i" doneCopy The loop iterates through the string,...
This article will walk you through the basics of the bash if, if...else, if...elif...else and nested if statements and explain you how to use them in your shell scripts. Mar 18, 2024 Bash Concatenate String Variables String concatenation is just a fancy programming word for joining str...
The loop constructs are common programming building blocks that allow us to repeat the execution of a section of code through an iteration. The four main types of iteration constructs are the count-controlled loops (or definite iteration), the condition-controlled loops (or indefinite iteration), ...
_upword() #@ USAGE: upword STRING { local word=$1 while [ -n "$word" ] ## loop until nothing is left in $word do to_upper "$word" _UPWORD=$_UPWORD$_UPR word=${word#?} ## remove the first character from $word done } upword() { _upword "$@" printf "%s\n" "$_UP...
Bash while Loop Iterate through an Array Bash while Loop String Comparison Bash while Loop Increment and Decrement Bash Nested while Loop Bash while Loop Stop on a Key Press Bash while Loop to Iterate through 2 Files Bash while Loop Until Command Succeeds ...
It then checks if the entered password ('$password') matches the correct password ('$correct_password') using an if statement with a string comparison ([[ ... ]]). If the passwords match, the script prints "Access granted" and exits the loop using the "break" statement. If the passwo...
String Manipulation in LoopsString manipulation can also be performed in loops in Bash. For example, to loop through a list of files with ".txt" extension and rename them by appending ".bak" to filename, following code can be used ?
In this article, we will cover the basics of for loops in Bash and show you how to use the break and continue statements to alter the flow of a loop.
Looping Through Arrays You can iterate through the elements of a Bash array using aforloop. Here’s how: # Looping through an arrayforcountryin"${countries[@]}"doecho$countrydone# Output:# 'USA'# 'Canada'# 'Australia' Bash Copy