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Find mtime man page

The Linux find command is very powerful. It can search the entire filesystem to find files and directories according to the search criteria you specify. Besides using the find command to locate files, you can also use it to execute other Linux commands grep , mv , rm , etc. If you just want to see some examples and skip the reading, here are a little more than thirty find command examples to get you started. Almost every command is followed by a short description to explain the command; others are described more fully at the URLs shown:.

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By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. It only takes a minute to sign up. I'm struggling to wrap my mind around why the find interprets file modification times the way it does. This still doesn't make sense to me though. In which case, it's not technically older that 1 day and ignored?

C integer arithmetic discards the remainder. Scripts started depending on that behavior, and thus it was standardized. The spec'd behavior would also be portable to a hypothetical system that only stored a modification date not time. I don't know if such a system has existed. The argument to -mtime is interpreted as the number of whole days in the age of the file. It's also easier than typing in a fractional argument to -mtime for when you want resolution in hours or minutes.

Fractional hour periods are truncated! For example, -mtime 1 selects files that were modified between 1 and 2 days ago. Like man find says, "any fractional part is ignored". If you divide "1 day, 23 hours, 59 minutes, and 59 seconds" through "24 hours", you may get 1. If you want exactly hours-old files, not 2 days, then you should add --daystart in your find command. This will help you. Sign up to join this community. The best answers are voted up and rise to the top.

Home Questions Tags Users Unanswered. Ask Question. Asked 6 years, 7 months ago. Active 1 year, 9 months ago. Viewed k times. See the comments for -atime to understand how rounding affects the interpretation of file modification times. Gilles 'SO- stop being evil' k gold badges silver badges bronze badges. Mike B Mike B 7, 22 22 gold badges 61 61 silver badges 85 85 bronze badges. At first it seemed funny to me too, but when you consider that it measures a files age in integer days, then it does exactly what you'd expect.

It won't give files equal to 1 day old. A file that is int 1. Think about how humans treat age colloquially. If somebody is People look at age as integers and round it down and see each age as a range. Active Oldest Votes. Evgeni Sergeev Evgeni Sergeev 1, 2 2 gold badges 9 9 silver badges 9 9 bronze badges. This will also have the same effect in that both of those commands together will still miss the files inside that one minute window 24 hours ago.

JosipRodin No, not necessarily true! This chapter describes the syntax of that command language as it is used by the sh utility and [ Since Bash is a "extended" SH, it supports this syntax, but some other shells don't, e.

Examples matter. Lets do more of them! If you find these rules hard to remember, use a reference file instead. Gilles 'SO- stop being evil' Gilles 'SO- stop being evil' k gold badges silver badges bronze badges. Nice explanation, the first 3 paragraphs should be added to the documentation of find! Martin von Wittich Martin von Wittich Use -mmin, -amin, etc to get exact results. The -? Peter Mortensen 1, 7 7 silver badges 10 10 bronze badges. Aravind Goud Aravind Goud 1.

No, first it's -daystart a GNU extension , not --daystart. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Ensuring backwards compatibility in distributed systems. The most successful developers share more than they take. Featured on Meta. Linked 2.

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Finding Files

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The find command allows users to search for files and take actions on them. It is highly flexible, allowing you to look for files and directories based on a variety of conditions. Optionally, it also allows you to take different types of actions on the results. In this article, we will understand how to work with the find command.

Tips and Tutorials

On Unix-like operating systems, the find command searches for files and directories in a file system. Within each directory tree specified by the given path s, it evaluates the given expression from left to right, according to the rules of precedence see " Operators ", below until the outcome is known. At that point find moves on to the next path until all path s have been searched. It can be used on its own to locate files, or in conjunction with other programs to perform operations on those files. The -H , -L and -P options control the treatment of symbolic links. Arguments following these are taken to be names of files or directories to be examined, up to the first argument that begins with " - ", or the argument " " or "! That argument and any following arguments are taken to be the expression describing what is being searched. If no path s are given, the current directory is used.

A Guide to the Linux “Find” Command

To use the find command, at the Unix prompt, enter:. Leave the double quotes in. The find command will begin looking in the starting directory you specify and proceed to search through all accessible subdirectories. You may specify more than one starting directory for searching.

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This file documents the GNU utilities for finding files that match certain criteria and performing various operations on them. This file documents the GNU utilities for finding files that match certain criteria and performing various actions on them. This manual shows how to find files that meet criteria you specify, and how to perform various actions on the files that you find.

Linux Find Command

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Search a folder hierarchy for filename s that meet a desired criteria: Name, Size, File Type - see examples. GNU find searches the directory tree rooted at each given file name by evaluating the given expression from left to right, according to the rules of precedence see Operators , until the outcome is known the left hand side is false for AND operations, true for OR , at which point find moves on to the next file name. The -H, -L and -P options control the treatment of symbolic links. That argument and any following arguments are taken to be the expression describing what is to be searched for. If no paths are given, the current directory is used.

Linux find command

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This manual shows how to find files that meet criteria you specify, and how to perform various actions on the files that you You may also find it helpful to read the NON-BUGS section of the find manual page. find ~/ -daystart -type f -mtime 1.

In the absence of an expression, -print is assumed. If an expression is given, but none of the primaries -delete , -exec , -execdir , -ls , -ok , -print , or -print0 are specified, the given expression is effectively replaced by given expression -print. It is not an error to specify more than one of the mutually exclusive options -H and -L.

Use the Unix find command to search for files

By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I'm trying to remove all the dateed logs except the most recent. Before I execute a script to remove the files, I want to of course test my commands to make sure I'm bringing up accurate results.

find(1) - Linux man page

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