16

I'm using ag (The Silver Searcher) version 0.31.0. I can easily look for a string in a bunch of files using:

localhost:workspace davea$ ag 'ftp' .

But what if I only want to scan files with certain extensions? I tried this:

localhost:workspace davea$ ag 'ftp' .java
ERR: Error stat()ing: .java
ERR: Error opening directory .java: No such file or directory

but got the errors you see above.

  • Gave that a whirl but got "ERR: Error stat()ing: *.java" and "ERR: Error opening directory *.java: No such file or directory" errors – Dave Feb 8 '17 at 21:22
20

Per the manual, you could use ag with -G

   -G --file-search-regex PATTERN
          Only search files whose names match PATTERN.

e.g.

ag -G '\.java$' 'ftp' .

Per the same manual

   It is possible to restrict the types of files searched [...]
   For a list of supported types, run ag --list-file-types.

So you could also run

ag --java 'ftp' .

though that would restrict the search to file names ending in .java or .properties

  • 2
    oops sorry, deleting. – Peter Krauss Sep 17 '18 at 20:10
  • ` ag -G '\.(hbs|html)$' keyword ` if you are searching multiple file extensions – Alan Dong May 9 at 20:40

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