Find files older than a given file - a few hours












1















I'm using the following to find all files that are older than a reference file...



find /home/testuser -name "dummyfiles*" ! -newer referencefile.txt


... which works as expected.



However, I want to add a bit of leniency to the time, so that it only finds files that are older than the reference file - a few hours.



For example, if I have a reference file with modification date May 26 11:26, I want to find files that are older than May 26 9:26 (ie, with a 2-hour leniency on the reference file).



In this example, the following would be correct matches...



May 26 7:00
Apr 15 14:00


... and the following should not match...



Jun 13 9:00
May 26 10:00


Ultimately I want to delete all the files that I find, so would love it if find was able to handle this requirement? Otherwise, are there any other alternatives that will allow me to delete these files without being too convoluted?










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  • Please, can you clarify if you are looking for 1) files older than the reference file 2hour OR more than 2hour (>=) 2) files that are older that the reference file exactly 2 hour. (=)

    – lese
    Nov 6 '15 at 8:52











  • I'm looking for files that are older that the reference file less 2 hours. See the example in my question - in the example, I would want all files that are older than May 26 9:26, so it should also match files with dates May 26 7:00, Apr 15 14:50, ... but not match dates Jun 13 9:00 or May 26 10:00.

    – wattostudios
    Nov 9 '15 at 2:30
















1















I'm using the following to find all files that are older than a reference file...



find /home/testuser -name "dummyfiles*" ! -newer referencefile.txt


... which works as expected.



However, I want to add a bit of leniency to the time, so that it only finds files that are older than the reference file - a few hours.



For example, if I have a reference file with modification date May 26 11:26, I want to find files that are older than May 26 9:26 (ie, with a 2-hour leniency on the reference file).



In this example, the following would be correct matches...



May 26 7:00
Apr 15 14:00


... and the following should not match...



Jun 13 9:00
May 26 10:00


Ultimately I want to delete all the files that I find, so would love it if find was able to handle this requirement? Otherwise, are there any other alternatives that will allow me to delete these files without being too convoluted?










share|improve this question
















bumped to the homepage by Community 1 hour ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
















  • Please, can you clarify if you are looking for 1) files older than the reference file 2hour OR more than 2hour (>=) 2) files that are older that the reference file exactly 2 hour. (=)

    – lese
    Nov 6 '15 at 8:52











  • I'm looking for files that are older that the reference file less 2 hours. See the example in my question - in the example, I would want all files that are older than May 26 9:26, so it should also match files with dates May 26 7:00, Apr 15 14:50, ... but not match dates Jun 13 9:00 or May 26 10:00.

    – wattostudios
    Nov 9 '15 at 2:30














1












1








1








I'm using the following to find all files that are older than a reference file...



find /home/testuser -name "dummyfiles*" ! -newer referencefile.txt


... which works as expected.



However, I want to add a bit of leniency to the time, so that it only finds files that are older than the reference file - a few hours.



For example, if I have a reference file with modification date May 26 11:26, I want to find files that are older than May 26 9:26 (ie, with a 2-hour leniency on the reference file).



In this example, the following would be correct matches...



May 26 7:00
Apr 15 14:00


... and the following should not match...



Jun 13 9:00
May 26 10:00


Ultimately I want to delete all the files that I find, so would love it if find was able to handle this requirement? Otherwise, are there any other alternatives that will allow me to delete these files without being too convoluted?










share|improve this question
















I'm using the following to find all files that are older than a reference file...



find /home/testuser -name "dummyfiles*" ! -newer referencefile.txt


... which works as expected.



However, I want to add a bit of leniency to the time, so that it only finds files that are older than the reference file - a few hours.



For example, if I have a reference file with modification date May 26 11:26, I want to find files that are older than May 26 9:26 (ie, with a 2-hour leniency on the reference file).



In this example, the following would be correct matches...



May 26 7:00
Apr 15 14:00


... and the following should not match...



Jun 13 9:00
May 26 10:00


Ultimately I want to delete all the files that I find, so would love it if find was able to handle this requirement? Otherwise, are there any other alternatives that will allow me to delete these files without being too convoluted?







find ksh






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share|improve this question








edited Nov 9 '15 at 2:33







wattostudios

















asked Oct 29 '15 at 0:19









wattostudioswattostudios

1065




1065





bumped to the homepage by Community 1 hour ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







bumped to the homepage by Community 1 hour ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.















  • Please, can you clarify if you are looking for 1) files older than the reference file 2hour OR more than 2hour (>=) 2) files that are older that the reference file exactly 2 hour. (=)

    – lese
    Nov 6 '15 at 8:52











  • I'm looking for files that are older that the reference file less 2 hours. See the example in my question - in the example, I would want all files that are older than May 26 9:26, so it should also match files with dates May 26 7:00, Apr 15 14:50, ... but not match dates Jun 13 9:00 or May 26 10:00.

    – wattostudios
    Nov 9 '15 at 2:30



















  • Please, can you clarify if you are looking for 1) files older than the reference file 2hour OR more than 2hour (>=) 2) files that are older that the reference file exactly 2 hour. (=)

    – lese
    Nov 6 '15 at 8:52











  • I'm looking for files that are older that the reference file less 2 hours. See the example in my question - in the example, I would want all files that are older than May 26 9:26, so it should also match files with dates May 26 7:00, Apr 15 14:50, ... but not match dates Jun 13 9:00 or May 26 10:00.

    – wattostudios
    Nov 9 '15 at 2:30

















Please, can you clarify if you are looking for 1) files older than the reference file 2hour OR more than 2hour (>=) 2) files that are older that the reference file exactly 2 hour. (=)

– lese
Nov 6 '15 at 8:52





Please, can you clarify if you are looking for 1) files older than the reference file 2hour OR more than 2hour (>=) 2) files that are older that the reference file exactly 2 hour. (=)

– lese
Nov 6 '15 at 8:52













I'm looking for files that are older that the reference file less 2 hours. See the example in my question - in the example, I would want all files that are older than May 26 9:26, so it should also match files with dates May 26 7:00, Apr 15 14:50, ... but not match dates Jun 13 9:00 or May 26 10:00.

– wattostudios
Nov 9 '15 at 2:30





I'm looking for files that are older that the reference file less 2 hours. See the example in my question - in the example, I would want all files that are older than May 26 9:26, so it should also match files with dates May 26 7:00, Apr 15 14:50, ... but not match dates Jun 13 9:00 or May 26 10:00.

– wattostudios
Nov 9 '15 at 2:30










1 Answer
1






active

oldest

votes


















0














Try out with this :



find /home/testuser -name "dummyfiles*" ! -newer referencefile.txt -mmin +120 -print


adding the parameter -mmin +120 find command will return only the files older than 2-hour in comparison to referencefile.txt modification date.



test:



mkdir find
touch find/dummyfiles1 find/dummyfiles2 find/dummyfiles3 find/dummyfiles4 find/referencefile.txt
touch -t 8001031305 dummyfiles1 dummyfiles2
find find/ -name "dummyfiles*" ! -newer find/referencefile.txt -mmin +120


output:




find/dummyfiles1



find/dummyfiles2







share|improve this answer





















  • 1





    You should explain why your solution is different to what the OP is already doing, and how it solves their problem.

    – cas
    Oct 29 '15 at 6:33











  • Improved the answer, It was so late in my country : )

    – lese
    Oct 29 '15 at 8:53











  • No, this doesn't do what you claim. This command matches files that are older than referencefile.txt and at least two hours old. Nothing here says “two hours older than the reference file”.

    – Gilles
    Oct 31 '15 at 23:00











  • This answer do exaclty what I claim (don't call me storyteller) : "return only the files older than 2-hour"(it's what I'm claiming). Anyway, maybe I missed understood the question. Waiting for a clarification from the OP

    – lese
    Nov 6 '15 at 8:54











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1 Answer
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1 Answer
1






active

oldest

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0














Try out with this :



find /home/testuser -name "dummyfiles*" ! -newer referencefile.txt -mmin +120 -print


adding the parameter -mmin +120 find command will return only the files older than 2-hour in comparison to referencefile.txt modification date.



test:



mkdir find
touch find/dummyfiles1 find/dummyfiles2 find/dummyfiles3 find/dummyfiles4 find/referencefile.txt
touch -t 8001031305 dummyfiles1 dummyfiles2
find find/ -name "dummyfiles*" ! -newer find/referencefile.txt -mmin +120


output:




find/dummyfiles1



find/dummyfiles2







share|improve this answer





















  • 1





    You should explain why your solution is different to what the OP is already doing, and how it solves their problem.

    – cas
    Oct 29 '15 at 6:33











  • Improved the answer, It was so late in my country : )

    – lese
    Oct 29 '15 at 8:53











  • No, this doesn't do what you claim. This command matches files that are older than referencefile.txt and at least two hours old. Nothing here says “two hours older than the reference file”.

    – Gilles
    Oct 31 '15 at 23:00











  • This answer do exaclty what I claim (don't call me storyteller) : "return only the files older than 2-hour"(it's what I'm claiming). Anyway, maybe I missed understood the question. Waiting for a clarification from the OP

    – lese
    Nov 6 '15 at 8:54
















0














Try out with this :



find /home/testuser -name "dummyfiles*" ! -newer referencefile.txt -mmin +120 -print


adding the parameter -mmin +120 find command will return only the files older than 2-hour in comparison to referencefile.txt modification date.



test:



mkdir find
touch find/dummyfiles1 find/dummyfiles2 find/dummyfiles3 find/dummyfiles4 find/referencefile.txt
touch -t 8001031305 dummyfiles1 dummyfiles2
find find/ -name "dummyfiles*" ! -newer find/referencefile.txt -mmin +120


output:




find/dummyfiles1



find/dummyfiles2







share|improve this answer





















  • 1





    You should explain why your solution is different to what the OP is already doing, and how it solves their problem.

    – cas
    Oct 29 '15 at 6:33











  • Improved the answer, It was so late in my country : )

    – lese
    Oct 29 '15 at 8:53











  • No, this doesn't do what you claim. This command matches files that are older than referencefile.txt and at least two hours old. Nothing here says “two hours older than the reference file”.

    – Gilles
    Oct 31 '15 at 23:00











  • This answer do exaclty what I claim (don't call me storyteller) : "return only the files older than 2-hour"(it's what I'm claiming). Anyway, maybe I missed understood the question. Waiting for a clarification from the OP

    – lese
    Nov 6 '15 at 8:54














0












0








0







Try out with this :



find /home/testuser -name "dummyfiles*" ! -newer referencefile.txt -mmin +120 -print


adding the parameter -mmin +120 find command will return only the files older than 2-hour in comparison to referencefile.txt modification date.



test:



mkdir find
touch find/dummyfiles1 find/dummyfiles2 find/dummyfiles3 find/dummyfiles4 find/referencefile.txt
touch -t 8001031305 dummyfiles1 dummyfiles2
find find/ -name "dummyfiles*" ! -newer find/referencefile.txt -mmin +120


output:




find/dummyfiles1



find/dummyfiles2







share|improve this answer















Try out with this :



find /home/testuser -name "dummyfiles*" ! -newer referencefile.txt -mmin +120 -print


adding the parameter -mmin +120 find command will return only the files older than 2-hour in comparison to referencefile.txt modification date.



test:



mkdir find
touch find/dummyfiles1 find/dummyfiles2 find/dummyfiles3 find/dummyfiles4 find/referencefile.txt
touch -t 8001031305 dummyfiles1 dummyfiles2
find find/ -name "dummyfiles*" ! -newer find/referencefile.txt -mmin +120


output:




find/dummyfiles1



find/dummyfiles2








share|improve this answer














share|improve this answer



share|improve this answer








edited Oct 29 '15 at 9:04

























answered Oct 29 '15 at 2:07









leselese

2,13531327




2,13531327








  • 1





    You should explain why your solution is different to what the OP is already doing, and how it solves their problem.

    – cas
    Oct 29 '15 at 6:33











  • Improved the answer, It was so late in my country : )

    – lese
    Oct 29 '15 at 8:53











  • No, this doesn't do what you claim. This command matches files that are older than referencefile.txt and at least two hours old. Nothing here says “two hours older than the reference file”.

    – Gilles
    Oct 31 '15 at 23:00











  • This answer do exaclty what I claim (don't call me storyteller) : "return only the files older than 2-hour"(it's what I'm claiming). Anyway, maybe I missed understood the question. Waiting for a clarification from the OP

    – lese
    Nov 6 '15 at 8:54














  • 1





    You should explain why your solution is different to what the OP is already doing, and how it solves their problem.

    – cas
    Oct 29 '15 at 6:33











  • Improved the answer, It was so late in my country : )

    – lese
    Oct 29 '15 at 8:53











  • No, this doesn't do what you claim. This command matches files that are older than referencefile.txt and at least two hours old. Nothing here says “two hours older than the reference file”.

    – Gilles
    Oct 31 '15 at 23:00











  • This answer do exaclty what I claim (don't call me storyteller) : "return only the files older than 2-hour"(it's what I'm claiming). Anyway, maybe I missed understood the question. Waiting for a clarification from the OP

    – lese
    Nov 6 '15 at 8:54








1




1





You should explain why your solution is different to what the OP is already doing, and how it solves their problem.

– cas
Oct 29 '15 at 6:33





You should explain why your solution is different to what the OP is already doing, and how it solves their problem.

– cas
Oct 29 '15 at 6:33













Improved the answer, It was so late in my country : )

– lese
Oct 29 '15 at 8:53





Improved the answer, It was so late in my country : )

– lese
Oct 29 '15 at 8:53













No, this doesn't do what you claim. This command matches files that are older than referencefile.txt and at least two hours old. Nothing here says “two hours older than the reference file”.

– Gilles
Oct 31 '15 at 23:00





No, this doesn't do what you claim. This command matches files that are older than referencefile.txt and at least two hours old. Nothing here says “two hours older than the reference file”.

– Gilles
Oct 31 '15 at 23:00













This answer do exaclty what I claim (don't call me storyteller) : "return only the files older than 2-hour"(it's what I'm claiming). Anyway, maybe I missed understood the question. Waiting for a clarification from the OP

– lese
Nov 6 '15 at 8:54





This answer do exaclty what I claim (don't call me storyteller) : "return only the files older than 2-hour"(it's what I'm claiming). Anyway, maybe I missed understood the question. Waiting for a clarification from the OP

– lese
Nov 6 '15 at 8:54


















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