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FVI -- Vim paired with Grep

Author: Ken Kundert
Version: 1.3.1

Given a pattern and a list of files, fvi first runs grep on the given files to find which contain the pattern, and then opens only those files in vim. Within vim use n to move to next occurrence of pattern and Ctrl-n to move to next file. vim is run with autowrite set. Any directories, unreadable files, or binary files in the file list are ignored.

If no file list is given on the command line, fvi then uses ack rather than grep to find which files contain the pattern. Generally ack will look at all regular files in the current working directory and all subdirectories, however this can be controlled using .ackrc files.


fvi [options] pattern [file [ file ... ]]


-h, --help Show this help message and exit.
-w, --word Match a word.
-i, --ignore-case
 Ignore case.
-m, --magic Treat pattern as a vim magic or grep basic regular expression.
-v, --very-magic
 Treat pattern as a vim very magic or grep extended regular expression.
-g, --gvim Open files in gvim.


Runs only on Unix systems. Requires Python 3.5 or later. It also requires Python's docutils. Also uses ack if available. Install using:

pip install fvi

Installs both the program an its manpage. Once installed, you can get more information using:

man fvi


You can use the VIM, GVIM, GREP, and ACK environment variables to control which versions of these programs should be used. By default, VIM=vim, GVIM=gvim, GREP=grep, and ACK=ack. For example, if you wish to replace ack with The Silver Searcher, add the following to your .bashrc file:

export ACK=ag

On Ubuntu, ack is installed with a non-standard name, so you will want to put:

export ACK=ack-grep

into your ~/.bashrc file.

If you wish to use the Silver Searcher to replace ack, use:: . You will need to modify the fvi file and replace ack with ack-grep to address this issue.

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