How to find missing argument to-Exec Unix?

How to find missing argument to-Exec Unix?

find: missing argument to -exec The workaround is to use syntax {} additional parameters \\; which does work but will execute the command once for every found target. If you need more performance with GNU find you have to write a wrapper script that can append additional parameters to the arguments given.

How does the-Exec option work in Linux?

This variant of the -exec option runs the specified command on the selected files, but the command line is built by appending each selected file name at the end; the total number of invoca- tions of the command will be much less than the number of matched files.

How to use shell stuff in the exec command?

If you want to use shell stuff in the -exec command, you need to explicitly run it in a shell, such as -exec sh -c ‘ffmpeg && rm’. However you should not add the {} inside the bash command, it will produce problems when there are special characters.

Why is there no find option in grep?

Adding /dev/null to the grep command line is a trick to ensure that grep will always print the file name, even if find happens to find a single match. With GNU find, another method is to pass the option -H. the probable cause is too old GNU find which does not support syntax -exec mycommand {} +.

How to use exec with a command as an argument?

Exec with a command as an argument: In the first mode, the exec tries to execute it as a command passing the remaining arguments, if any, to that command and managing the redirections, if any. Example 1: Example 2: The exec command searches the path mentioned in the $PATH variable to find a command to be executed.

What to do if there is no exec command?

If the command is not found the exec command as well as the shell exits in an error. Exec without a command: If no command is supplied, the redirections can be used to modify the current shell environment. This is useful as it allows us to change the file descriptors of the shell as per our desire.

What does an ” exec ” command do in Bash?

If at least one argument is passed, the first one is taken as a command name and exec try to execute it as a command passing the remaining arguments, if any, to that command and managing the redirections, if any.

Why are there missing quotes in the find argument?

There was several issues with your attempts, including backticks used instead of quotes (removed in later edits to the question), missing quotes where they are required, extra quotes where they are useless, missing parentheses to group -o clauses, and different implementations of find used (see the comments and chat for details).

Which is better argument to-Exec-Unix-Linux stack exchange?

Although GNU was a late adopter of -exec … {} +, I do recommend that you get a less antique tool suite (such as Cygwin, which includes git and a whole lot more, or GNUwin32, which lacks git but doesn’t have the bad-employee-trying-to-use-linux-but-we-impose-windows vibe that Cygwin gives).

What should be the end of an exec command?

A -exec command must be terminated with a ; (so you usually need to type \\; or ‘;’ to avoid interpretion by the shell) or a +.

Which is not an argument to’-exec’stack overflow?

Another option not involving -exec is to pipe the result to xargs and then rm on it: Note: xargs supports executing in parallel with -P command, see man page. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research! But avoid …

What to do when your find command is wrong?

Solution: Amazingly, it turns out that the computer is right, and I messed up my command. I entered my find command like this: That’s the way I want to type my find command, but the correct way to type it is to add the extra characters at the end of the command, like this: