Awk from getting started to getting into the ground (19) awk extensions make awk even stronger

1、 Time plug in

@load “time”

gettimeofday() Return from 1970-1-1 Seconds to date

result = sleep(seconds) seconds It's a floating point number

2、 File read

@load “readfile”

result = readfile(“/some/path”)

Read the contents of the whole file , Assign a value to result, The file does not exist and returns null .

@load "readfile"
…
contents = readfile("/path/to/file");
if (contents