Press Return to start the shell cycling through everything in the current directory. Terminate the clause with another semi-colon and close the loop: done For simplicity, use the file command to get a little bit of data about each file, represented by the f variable (but prepended with a $ to tell the shell to swap out the value of the variable for whatever the variable currently contains): do file $f Next, define what you want to happen with each iteration of the loop. ![]() The shell won't try to execute the loop until it is syntactically complete. $ for f in * ĭepending on your preference, you can choose to press Return here. Then terminate this introductory clause with a semicolon ( ). In this case, cycle through all files in the current directory using the * wildcard character (the * wildcard matches everything). Then define the data set you want the variable to cycle through. The syntax to loop through each file individually in a loop is: create a variable ( f for file, for example).
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