раковина труба
# count line using pipe operation (|)
$ echo "Welcome" | wc -l
1
# Count character
$ echo "Welcome" | wc -c
8
# Count line in the text file and list in sorted order
$ wc -l *.txt | sort -n
2 requirements.txt
83 log.txt
123 log_bkp.txt
208 total
Vel