Thursday, June 27, 2019

Find Exec Manual






This manual page documents the gnu version of find.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 section 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.. [find with -exec … +] can be less efficient than some uses of xargs; for example xargs allows new command lines to be built up while the previous command is still executing, and allows you to specify a number of commands to run in parallel.. The manual page (or the online gnu manual) pretty much explains everything. find -exec command {} ; for each result, command {} is executed. all occurences of {} are replaced by the filename. ; is prefixed with a slash to prevent the shell from interpreting it..





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The rule no.2 is using -exec option is very simple: unless you enjoy the situation commonly called snafu, always test find command containing -exec using -ls option instead of -exec ( or -execdir) to see if the files selected are the files you really wish to process.. This manual page talks about 'options' within the expression list. these options control the behaviour of find but are specified immediately after the last path name. find -exec, will run a separate instance of the called program for each file. exit status.. On windows exec() will first start cmd.exe to launch the command. if you want to start an external program without starting cmd.exe use proc_open() with the bypass_shell option set. note : when safe mode is enabled, you can only execute files within the safe_mode_exec_dir ..



find exec manual

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