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authorEuAndreh <eu@euandre.org>2020-10-23 06:40:12 -0300
committerEuAndreh <eu@euandre.org>2020-10-23 06:40:12 -0300
commitda68ac2ae2457196360df43fcc4943db672a193b (patch)
tree22e396d8320218ef12b1b12588fa1ab37b449de6 /_tils/2020-08-12-simple-filname-timestamp.md
parentassert-content.sh: Include page title when checking for unique refs (diff)
downloadeuandre.org-da68ac2ae2457196360df43fcc4943db672a193b.tar.gz
euandre.org-da68ac2ae2457196360df43fcc4943db672a193b.tar.xz
assert-content.sh: Enforce filename to be title slug + date
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----
-title: Simple filename timestamp
-date: 2020-08-12
-layout: post
-lang: en
-ref: simple-filename-timestamp
----
-When writing Jekyll posts or creating log files with dates on them, I usually
-struggle with finding a direct way of accomplishing that. There's a simple
-solution: `date -I`.
-
-```shell
-./my-program.sh > my-program.$(date -I).log
-cp post-template.md _posts/$(date -I)-post-slug.md
-```
-
-Using this built-in GNU/Linux tool allows you to `touch $(date -I).md` to readily
-create a `2020-08-12.md` file.
-
-I always had to read `man date` or search the web over and over, and after doing
-this repeatedly it became clear that both `date -I` and `date -Is` (`s` here
-stands for seconds) are the thing that I'm looking for 95% of the time:
-
-```shell
-# inside my-program.sh
-echo "Program started at $(date -Is)"
-# output is:
-# Program started at 2020-08-12T09:04:58-03:00
-```
-
-Both date formats are hierarchical, having the bigger time intervals to the
-left. This means that you can easily sort them (and even tab-complete them) with
-no extra effort or tool required.