bash - Bash/ Take substring from a string

Question

I run the next:

 find . -type f -printf '%T@ %p\n' | sort -n | tail -1

this return me the next:

1376221215.000000000 ./Rev.12345/run.exe

I want to get only the 12345 number. Which command I should use (I try to use cut command, without success)?

Answer 1

您可以将输出通过管道传输到sed：

... | sed 's/.*Rev\.\([0-9]*\).*/\1/'

Answer 2

您可以使用管道输出：

awk -F '[./]+' '{print $4}'

Answer 3

你也可以使用grep

... | grep -o Rev.[0-9]* s | grep -o [0-9]*