A GNU date wrapper that adds several format specifiers that may prove useful to some folks.
The first set deals with relative date outputs (English only):
| Spec | Description |
|---|---|
@{d} |
relative date, abbrev date names (e.g. yesterday, next Fri, 17 days ago) |
@{D} |
like @{d}, only with full date names (e.g. next Friday, 17 days' time) |
@{d+} |
like @{d}, but falls back to user-configurable date representation if outside 1 week's range (default: %Y-%m-%d) |
@{w} |
relative week (e.g. last week, 3 weeks' time) |
@{m} |
relative month (e.g. last month, 3 months' time) |
@{y} |
relative year (e.g. last year, 3 years' time) |
@{h} |
auto-select relative representation (abbreviated day name) |
@{H} |
auto-select relative representation (full day name) |
NOTE: @{d} and @{D} outputs follow GNU date conventions for relative date input:
last XYZfor dates up to 7 days agonext XYZfor dates up to 7 days in the future
The second set deals with ordinal day-of-month representations:
| Spec | Description |
|---|---|
@{o} |
ordinal day-of-month, short-form (e.g. 29th) |
@{O} |
ordinal day-of-month, long-form (e.g. twenty-ninth) |
GNU date must be in your PATH.
Copy dateh to a directory in your PATH.
dateh takes the same options and format specifiers as GNU date, in addition to:
-h|--helpto printdateh-specific help-H|--longhelpto print bothdatehanddatehelp-V|--versionto printdatehversion
If the DATEH_DEFAULT_FORMAT environment variable is set, dateh uses its value as the fallback date representation for the @{d+} specifier (default: %Y-%m-%d).
$ dateh
Sun Jan 27 20:05:00 +08 2019
$ dateh -d "now" "+@{D} %X"
today 20:05:00
$ dateh -d "now + 3 weeks" "+the @{O} of %B, %Y"
the seventeenth of February, 2019
$ DATEH_DEFAULT_FORMAT=%m/%d/%Y dateh -d "last month" \
"+@{d+}, @{w}, @{m}, @{y} %H:%M %P"
12/27/2018, 4 weeks ago, last month, last year 20:05 pm
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