Date is a command line utility for printing or setting the date and time.
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Tool in UNIX to subtract dates
Is there any tool in Solaris UNIX (so no GNU tool available) to subtract dates? I know that in Linux we have gawk that can subtract one date from another. But in Solaris the maximum we have is nawk ...
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votes
4answers
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Renaming a bunch of files with date modified timestamp at the end of the filename?
So, say, I have a directory with a bunch of files like g.txt, where g.txt was last modified on, say, June 20, 2012.
How would I batch-rename all of the files (like g.txt) with the last modified date ...
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votes
3answers
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Fast way to build a test file with every second listed in YYYY-mm-dd HH:MM:SS format
I want to create a large test file with lines containg dates listed by the second, but my method is taking inordinately long... (or at least, that's how it feels :) ... 43 minutes to create only ...
5
votes
3answers
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Find files which are created a certain time after or before a particular file was created
I need a shell script which finds files which are created 1 hour before or 1 hour after a particular file (test.txt) was created.
If I go with find -newer, that means I'd have to create a temporary ...
9
votes
5answers
8k views
Quickly calculate date differences
I often want to make some quick date calculations, such as:
What is the difference between these two dates?
What is the date n weeks after this other date?
I usually open a calendar and count the ...
4
votes
3answers
254 views
Forcing an 'added' alias to every command
Is it possible to forcibly add a timing alias (for lack of a better way to phrase it) to every command in bash?
For example, I would like to have a specific user who whenever a command is run, it is ...
5
votes
3answers
1k views
Installation date of Ubuntu
How can I determine when Ubuntu was installed in my computer? There was a different question posted here, but none of them is helpful.