Cat the first file returned by ls command
Here we use
ls -1 to get a list of the directory contents, pipe it to
head -n 1 to get one line, and pipe that to
ls -1 | head -n 1 | xargs cat
This might fail if the argument piped to
cat is a directory. You could use a more convoluted strategy to prevent this scenario.
ls -p | grep -v / | head -n 1 | xargs cat
ls -t flag to sort the directory by timestamp.
ls -pt | grep -v / | head -n 1 | xargs cat
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