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bashunixif-statementechoxargs

xargs - if condition and echo {}

I have some files that contain a particular strings. What I want to do is, search a location for the file; if the file exists grep for the pattern; if true, do something.

find -iname file.xxx| xargs -I {} if grep -Fq "string" {} ; then echo {} ; fi

The problems are:

  • xargs is not working with the if statement.
  • echo {} does not give the file name, instead gives {}.

How do I fix these?

Solution

  • Try to run the command through a shell like this:

    $ find -iname file.xxx |
> xargs -I {} bash -c 'if grep -Fq "string" {} ; then echo {} ; fi'

    where the original command has been surrounded by quotes and bash -c.