Looping Through Data with Bash
The Bourne Again Shell (Bash) provides “superb functionality when it comes to writing scripts,” says Sandra Henry-Stocker, including many ways to loop through a pile of data.
When looping in Bash, you can use several commands, Henry-Stocker notes: “The while loop will loop as long as some particular condition holds true. The until loop will loop until some condition becomes true, and the for loop will run through a series of values regardless of their origin.”
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