I discovered myself on a unix system with a ‘date’ utility that only accepts the -u and + parameters, a fairly basic perl install, and lots of archives that are listed by the “Julian day” (day of year) date. I put together a perl script using the functions I had at my disposal. The script […]
Tag Archives: date
Date formatting for Single Unix Specification(R) versions of “date”
The date command is wonderful for formatting dates, as such date –date=”2010-01-01″ +%Y%j But what happens when you’re on a system whose date command only supports the -u [UTC] and + [for formatting] options? Below is a quick hack in straight C that provides the ability to format a date that you provide. This is […]
Formatting a Julian Date [Julian Day / Day of Year] in Unix
This is one of those commands that’s so simple once you recall it that you’ll smack yourself for not knowing it. If you’re ever in doubt, man date. # displays the 2-digit year + day of the year, Jan 14, 2011 = “11014” date +%y%j # sets filename to MyFilename + 2-digit year + day […]