Ad esempio: Nei vecchi sistemi Unix non si poteva avere l’opzione -delete, e così non si aveva altra scelta che utilizzare l’opzione -exec. One of the benefits of find is that it includes an execute function. find . If grep is passed more than one filename it prints the containing filename before each match. We will with a simple example where we will just provide single command to run with results. Cercare alcuni file con find ed eliminarli con exec, questa è probabilmente una delle azioni più comuni con exec, e non si dovrebbe usarla per fare questo, leggere di seguito, ecco alcuni esempi degli utilizzi più comuni: Cerca tutti i file con estensione .old e gli elimina: Cerca tutti i file con dimensione > di 100 MB e li cancella: A volte alcuni programmi si scatenano e creano migliaia di file di piccole dimensioni in una directoy, in questo caso non è possibile utilizzare un semplice rm * perché la shell non sarebbe in grado di gestire l’espansione del carattere * con tutti questi nomi di file, ma è possibile utilizzare find per eliminare tutti i file in una directory uno ad uno. Ed adesso qualche esempio di quello che potete fare con find e l’azioneexec. In this tutorial, we’ll take a look at the -exec argument of the Linux find command. Also, why do we have to escape the “;” if it is what the -exec command is looking for to complete ? All following arguments to find are taken to be arguments to the command until an argument consisting of `;’ is encountered. -maxdepth 1 -name \*.avi ) ), The purpose of the IFS is to insure that ‘whitespaces’ are not interpreted by bash as a separator (e.g. google_ad_width = 728; Neste post, falaremos sobre um dos comandos mais usados do sistema Linux: o comando find. All of the -exec example end with “{} \;” which means they would be more efficient and faster if they ended with “{} +” instead. find -exec is indeed useful… my of my favorites is for finding a list of files that contain a word or phrase…. -name “*.old” -exec sh -c ‘mv “[email protected]” oldfiles’ sh {} + This uses two process per aggregated set of pathnames, but is still way more efficient than: find . site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. The -execoption takes an external utility with optional arguments as its argument and executes it. The below list is presented in alphabetical order. To find and remove multiple files such as .mp3 or .txt, then use. This website uses cookies to improve your experience. Also, I am pretty sure there must be a cleaner way to search multiple filenames without repeating the -name. Is 1=2 a logical contradiction, or merely a false statement? You may need to find a directory in your Linux based operating system, and you are suffering because you do not know the actual command to find the location of different files present on your Linux based operating system. //--> I need to add a line in makefile, in order to build up the revised version of code. To access the shell (sometimes called the terminal window) in most distributions, click the relevant icon or press Ctrl+Alt+T . One of the most popular and useful feature of find command is exec option.exec option is used to to run commands with founded search results.. Linux Find Command With Examples. google_ad_height = 90; 1. # find / -type d -perm 777 -print -exec chmod 755 {} \; 17. OK, I will do so. Let’s see 14 find command examples that are very helpful for you in your day to day operations on Linux servers like RedHat, Ubuntu, CentOS, Debian, etc. Find is a very helpful utility for every system admin for day to day tasks but you can also combine find exec multiple commands to filter and execute certain tasks. Ed, you are mixing up two different problems. -exec command; Execute command; true if 0 status is returned. but there is a way around that involving the shell: find . The POSIX specification for find says:-mtimen The primary shall evaluate as true if the file modification time subtracted from the initialization time, divided by 86400 (with any remainder discarded), is n.. Interestingly, the description of find does not further specify 'initialization time'.

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