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To show all files that do not contain a specific pattern, you can use a combination of command-line tools like grep, find, and xargs (assuming you're using a Unix-based system like Linux or macOS). Here's an example of how you can achieve this:

Suppose you want to find all files in the current directory and its subdirectories that do not contain the pattern "example":

Using grep with find and xargs:

find . -type f -print0 | xargs -0 grep -L "example"

Here's what each part of the command does:

find . -type f -print0: This command finds all files (-type f) in the current directory (.) and its subdirectories, and prints their paths separated by a null character (-print0).

xargs -0: This command reads items separated by null characters from the standard input and executes the following command (in this case, grep) with those items as arguments. The -0 flag tells xargs to expect null-separated input.

grep -L "example": This command searches for the pattern "example" in the input files and prints the names of the files that do not contain the pattern, thanks to the -L flag.