#!/bin/bash # Define a string variable with a value StringVal="Welcome to linuxhint" # Iterate the string variable using for loop for val in $StringVal; do echo $val done Output: $ bash for_list2.sh Example-3: Iterate an array of string values Create a bash file named ‘for_...
Some useful BASH for loop examples has been mentioned in this article. Syntax of for loop: # loop through a list for value in list do commands done # loop specified values for value in file1 file2 file3 do commands done # loop through strings resulting from a command for value in $(...
The first line of the expression creates a for loop and repeats it through the list of files that have space in their name. The first expression will generate the list, while the second line subsequently applies the change of name to each file in the list. Therefore, in our example, it...
The first line creates a for loop and iterates through a list of all files with a space in its name. The expression *\ * creates the list. The second line applies to each item of the list and moves the file to a new one, replacing the space with an underscore (_). The part $...
There are two types of bash for loops available. One using the “in” keyword with list of values, another using the C programming like syntax. This article is part of our on-going bash tutorial series. This explains both of the bash for loop methods, an
varname is any Bash variable name. In this form, the for statement executes the command enclosed in a body, once for each item in the list. The current item from the list will be stored in a variable “varname” each time through the loop. This varname can be processed in the body...
Bash For Loops with Arrays You can also easily iterate through values defined in an array using afor Loop. In the following example, thefor loopiterates through all the values inside thefruits arrayand prints them to stdout. #!/bin/bash ...
What are the basic syntax elements of a bash for loop? Can you provide an example of iterating through a list with a for loop in bash? This type of for loop is characterized by counting. The range is specified by a beginning (#1) and ending number (#5). The for loop executes a ...
If you want to check the disk space is multiple Linux servers then you can use below bash for loop. In thisexample we are loopingthrough all the servers of Servers.list and checking the disk space of /opt/backup and /opt/log using df -h /opt/backup /opt/log command. ...
In the script, thecatcommand is executed using command substitution. The output ofcat file1.txtreplaces the command, and theforloop iterates through the command’s output and prints it to the standard output using theprintfcommand. #!/bin/bashprintf"Program prints the lines of a file\n\n...