To print the files in a directory, use the script as: #/bin/bash echo“Enter dir” read dir cd $dir for i in $(find $dir -type f); do echo $i; done; Conclusion The above are example scripts you can use to loop directories and perform a specific action. It is good to note ...
5. Loop through files and directories in a for loop To loop through files and directories under a specific directory, just cd to that directory, and give * in the for loop as shown below. The following example will loop through all the files and directories under your home directory. $ c...
shell 编程之流程控制 for 循环、while 循环和 until 循环 for var in item1 item2 ... itemN do command1 command2 ... commandN done 1. 2. 3. 4. 5. 6. 7. for var in item1 item2 ... itemN; do command1; command2… done; 1....
First, create a file name and execute the following script. Users must note that the ‘*’ is used to read files in the ‘for loop.’ The functioning of the loop is the simple manner by reading each file or folder through the step of the directory and prints with the output in the ...
Linux Bash Script loop syntax All In One shell 编程之流程控制 for 循环、while 循环和 until 循环 for forvarinitem1 item2 ... itemNdocommand1 command2 ... commandNdone forvarinitem1 item2 ... itemN;docommand1; command2…done;
nano whileloop.sh Then paste in the following: #!/bin/bash n=0 while : do echo Countdown: $n ((n++)) done This will work as a countdown to infinity until you pressCTRL + Cto stop the script. Now that we’ve tested the while loop, we can move on to the for loop. Create a...
Get the terminal size in lines and columns (from a script)This is handy when writing scripts in pure bash and stty/tput can’t be called.Example Function:get_term_size() { # Usage: get_term_size # (:;:) is a micro sleep to ensure the variables are # exported immediately. shopt -...
Once the shell script is executed, all the values in the range are listed, similar to what we had insimple loops. Bash For Loop with Ranges Example Additionally, we can include a value at the end of the range that is going to cause thefor loopto iterate through the values in incrementa...
You can also store the file name to a variable and pass it through a redirection operator. FILENAME="/etc/passwd" while read LREAD do echo ${LREAD} done < ${FILENAME} Store Filename in Variable You can also pass file names as an argument to your script. ...
The script searches through the current directory and lists all files with the.shextension. Loop through files or directories to automatically rename or change permissions for multiple elements at once. Command Substitution Theforloop accepts command substitution as a list of elements to iterate through...