Update cheatsheets

ts

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ts
+
+> Add timestamps to every line from `stdin`.
+> More information: <https://joeyh.name/code/moreutils/>.
+
+- Add a timestamp to the beginning of each line:
+
+`{{command}} | ts`
+
+- Add timestamps with microsecond precision:
+
+`{{command}} | ts "{{%b %d %H:%M:%.S}}"`
+
+- Add [i]ncremental timestamps with microsecond precision, starting from zero:
+
+`{{command}} | ts -i "{{%H:%M:%.S}}"`
+
+- Convert existing timestamps in a text file (eg. a log file) into [r]elative format:
+
+`cat {{path/to/file}} | ts -r`