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30 lip 2009 · If you need a Unix timestamp from a shell script (Bourne family: sh, ksh, bash, zsh, ...), this should work on any Unix machine as unlike the other suggestions (perl, haskell, ruby, python, GNU date), it is based on a POSIX standard command and feature.
Easy epoch/Unix timestamp converter for computer programmers. Includes epoch explanation and conversion syntax in various programming languages.
I want to extract information from a log file using a shell script (bash) based on time range. A line in the log file looks like this: 172.16.0.3 - - [31/Mar/2002:19:30:41 +0200] "GET / HTTP/1.1" ...
26 sty 2017 · I see two obvious options; either ditch the period in the date format string (and treat the resultant value as nanoseconds since epoch), so use date +%s%N, or use something more capable like bc to calculate the actual runtime from the two values like jwchew suggests.
The single period . means current working directory. The double period .. means parent of the current working directory. I can only think of . being used in relative pathname etc cd ./bin/usr. How are the above . & .. used in the shell command line
There are a couple different options to get a 'time' command. My preference is to just install Cygwin (which comes with a UNIX-like time command). Alternatively, you can write a script and add it to your path (so that you can execute it without specifying the entire path).
1 sty 2022 · What Is Double Dot (..) And Single Dot (.) In Linux? Last updated: January 1, 2022. Written by: baeldung. Filesystems. 1. Overview. In this article, we’ll learn the meaning of the mysterious double (..) and single (.) dots in Linux. 2. Linux Inodes.
