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help for find
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Find specified text in multiple files

Syntax

      find [filenames] [, match(string) show zero ]

        +-------------+
    ----+ Description +------------------------------------------------------

find looks for matching strings across multiple files in the current directory
(pwd). File names that contain an asterix are expanded into lists of files
following dir. If no files are specified, find looks for matching strings
across all files in the current working directory (see also pwd and cd).
Depending on your operating system, you may prefer grep (*nix), find or findstr
(Windows/DOS), or mdfind (Mac).

        +----------+
    ----+ Examples +---------------------------------------------------------

Cut and paste the entire block of example code to the Command window, or click
on commands one by one to run:

      cd `c(sysdir_base)'a
      loc t : dir . file "*.ado"
      find `t', m(version 8) s
      find, m(version 8)
      find *.class

        +-----------------+
    ----+ Options summary +--------------------------------------------------

    match(string) specifies the string to look for.

    show asks for lines in which the string occurs to be echoed to the
        screen.  Line numbers are also shown, and single quotes (ASCII codes
        96 and 39) are converted into similar-looking but meaningless single
        quotes (ASCII codes 145 and 146, respectively).  See also display and
        smcl.

    zero specifies that file names in the filenames list with zero matches
        should also be listed.

Author

    Austin Nichols
    Urban Institute
    Washington, DC, USA
    austinnichols@gmail.com

Also see

 On-line: help for type, findfile, file, filefilter, hexdump, pwd, cd, dir,
          etc.