Command-line productivity booster, offers quick access to files and directories, inspired by autojum...
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Fasd (pronounced similar to "fast") is a command-line productivity booster. Fasd offers quick access to files and directories for POSIX shells. It is inspired by tools like autojump, z and v. Fasd keeps track of files and directories you have accessed, so that you can quickly reference them in the command line.
The name fasd comes from the default suggested aliases
Fasd ranks files and directories by "frecency," that is, by both "frequency" and "recency." The term "frecency" was first coined by Mozilla and used in Firefox (link).
If you use your shell to navigate and launch applications, fasd can help you do it more efficiently. With fasd, you can open files regardless of which directory you are in. Just with a few key strings, fasd can find a "frecent" file or directory and open it with command you specify. Below are some hypothetical situations, where you can type in the command on the left and fasd will "expand" your command into the right side. Pretty magic, huh?
v def conf => vim /some/awkward/path/to/type/default.conf j abc => cd /hell/of/a/awkward/path/to/get/to/abcdef m movie => mplayer /whatever/whatever/whatever/awesome_movie.mp4 o eng paper => xdg-open /you/dont/remember/where/english_paper.pdf vim `f rc lo` => vim /etc/rc.local vim `f rc conf` => vim /etc/rc.conf
Fasd comes with some useful aliases by default:
alias a='fasd -a' # any alias s='fasd -si' # show / search / select alias d='fasd -d' # directory alias f='fasd -f' # file alias sd='fasd -sid' # interactive directory selection alias sf='fasd -sif' # interactive file selection alias z='fasd_cd -d' # cd, same functionality as j in autojump alias zz='fasd_cd -d -i' # cd with interactive selection
Fasd will smartly detect when to display a list of files or just the best match. For instance, when you call fasd in a subshell with some search parameters, fasd will only return the best match. This enables you to do:
mv update.html `d www` cp `f mov` .
Fasd is available in various package managers. Please check the wiki page for an up-to-date list.
You can also manually obtain a copy of fasd.
Fasd is a self-contained POSIX shell script that can be either sourced or executed. A Makefile is provided to install
fasd.1to desired places.
Install to $HOME:
PREFIX=$HOME make install
Or alternatively you can just copy
fasdto anywhere you like (preferably under some directory in
To get fasd working in a shell, some initialization code must be run. Put the line below in your shell rc.
eval "$(fasd --init auto)"
This will setup a command hook that executes on every command and advanced tab completion for zsh and bash.
If you want more control over what gets into your shell environment, you can pass customized set of arguments to
zsh-hook # define _fasd_preexec and add it to zsh preexec array zsh-ccomp # zsh command mode completion definitions zsh-ccomp-install # setup command mode completion for zsh zsh-wcomp # zsh word mode completion definitions zsh-wcomp-install # setup word mode completion for zsh bash-hook # add hook code to bash $PROMPT_COMMAND bash-ccomp # bash command mode completion definitions bash-ccomp-install # setup command mode completion for bash posix-alias # define aliases that applies to all posix shells posix-hook # setup $PS1 hook for shells that's posix compatible tcsh-alias # define aliases for tcsh tcsh-hook # setup tcsh precmd alias
Example for a minimal zsh setup (no tab completion):
eval "$(fasd --init posix-alias zsh-hook)"
Note that this method will slightly increase your shell start-up time, since calling binaries has overhead. You can cache fasd init code if you want minimal overhead. Example code for bash (to be put into .bashrc):
fasd_cache="$HOME/.fasd-init-bash" if [ "$(command -v fasd)" -nt "$fasd_cache" -o ! -s "$fasd_cache" ]; then fasd --init posix-alias bash-hook bash-ccomp bash-ccomp-install >| "$fasd_cache" fi source "$fasd_cache" unset fasd_cache
Optionally, if you can also source
fasdif you want
fasdto be a shell function instead of an executable.
You can tweak initialization code. For instance, if you want to use "c" instead of "z" to do directory jumping, you can use the alias below:
alias c='fasd_cd -d' # `-d` option present for bash completion # function fasd_cd is defined in posix-alias
After you first installed fasd, open some files (with any program) or
cdaround in your shell. Then try some examples below.
f foo # list frecent files matching foo a foo bar # list frecent files and directories matching foo and bar f js$ # list frecent files that ends in js f -e vim foo # run vim on the most frecent file matching foo mplayer `f bar` # run mplayer on the most frecent file matching bar z foo # cd into the most frecent directory matching foo open `sf pdf` # interactively select a file matching pdf and launch `open`
You should add your own aliases to fully utilize the power of fasd. Here are some examples to get you started:
alias v='f -e vim' # quick opening files with vim alias m='f -e mplayer' # quick opening files with mplayer alias o='a -e xdg-open' # quick opening files with xdg-open
If you're using bash, you have to call
_fasd_bash_hook_cmd_completeto make completion work. For instance:
_fasd_bash_hook_cmd_complete v m j o
You could select an entry in the list of matching files.
Fasd has three matching modes: default, case-insensitive, and fuzzy.
For a given set of queries (the set of command-line arguments passed to fasd), a path is a match if and only if:
If no match is found, fasd will try the same process ignoring case. If still no match is found, fasd will allow extra characters to be placed between query characters for fuzzy matching.
/as the last query.
$to the last query.
When you run fasd init code or source
fasd, fasd adds a hook which will be executed whenever you execute a command. The hook will scan your commands' arguments and determine if any of them refer to existing files or directories. If yes, fasd will add them to the database.
Fasd's basic functionalities are POSIX compliant, meaning that you should be able to use fasd in all POSIX compliant shells. Your shell need to support command substitution in
$PS1in order for fasd to automatically track your commands and files. This feature is not specified by the POSIX standard, but it's nonetheless present in many POSIX compliant shells. In shells without prompt command or prompt command substitution (csh for instance), you can add entries manually with
fasd -A. You are very welcomed to contribute shell initialization code for not yet supported shells.
Fasd has been tested on the following shells: bash, zsh, mksh, pdksh, dash, busybox ash, FreeBSD 9 /bin/sh and OpenBSD /bin/sh.
fasd [options] [query ...] [f|a|s|d|z] [options] [query ...] options: -s list paths with scores -l list paths without scores -i interactive mode -e set command to execute on the result file -b only use backend -B add additional backend -a match files and directories -d match directories only -f match files only -r match by rank only -t match by recent access only -R reverse listing order -h show a brief help message -[0-9] select the nth entry
fasd [-A|-D] [paths ...] -A add paths -D delete paths
Fasd offers two completion modes, command mode completion and word mode completion. Command mode completion works in bash and zsh. Word mode completion only works in zsh.
Command mode completion is just like completion for any other commands. It is triggered when you hit tab on a
fasdcommand or its aliases. Under this mode your queries can be separated by a space. Tip: if you find that the completion result overwrites your queries, type an extra space before you hit tab.
Word mode completion can be triggered on any command. Word completion is triggered by any command line argument that starts with
d,(directories), or that ends with
$ vim ,rc,lo $ vim /etc/rc.local
$ mv index.html d,www $ mv index.html /var/www/
There are also three zle widgets:
fasd-complete-d. You can bind them to keybindings you like:
bindkey '^X^A' fasd-complete # C-x C-a to do fasd-complete (files and directories) bindkey '^X^F' fasd-complete-f # C-x C-f to do fasd-complete-f (only files) bindkey '^X^D' fasd-complete-d # C-x C-d to do fasd-complete-d (only directories)
Fasd can take advantage of different sources of recent / frequent files. Most desktop environments (such as OS X and Gtk) and some editors (such as Vim) keep a list of accessed files. Fasd can use them as additional backends if the data can be converted into fasd's native format. Below is a list of available backends.
`spotlight` OSX spotlight, provides entries that are changed today or opened within the past month
recently-usedGTK's recently-used file (Usually available on Linux)
currentProvides everything in $PWD (whereever you are executing
viminfoVim's editing history, useful if you want to define an alias just for editing things in vim
You can define your own backend by declaring a function by that name in your
.fasdrc. You can set default backend with
_FASD_BACKENDSvariable in our
Fasd can mimic v's behavior by this alias:
alias v='f -t -e vim -b viminfo'
Some shell variables that you can set before sourcing
fasd. You can set them in
$_FASD_DATA Path to the fasd data file, default "$HOME/.fasd".
$_FASD_BLACKLIST List of blacklisted strings. Commands matching them will not be processed. Default is "--help".
$_FASD_SHIFT List of all commands that needs to be shifted, defaults to "sudo busybox".
$_FASD_IGNORE List of all commands that will be ignored, defaults to "fasd ls echo".
$_FASD_TRACK_PWD Fasd defaults to track your "$PWD". Set this to 0 to disable this behavior.
$_FASD_AWK Which awk to use. Fasd can detect and use a compatible awk.
$_FASD_SINK File to log all STDERR to, defaults to "/dev/null".
$_FASD_MAX Max total score / weight, defaults to 2000.
$_FASD_SHELL Which shell to execute. Some shells will run faster than others. fasd runs faster with dash and ksh variants.
$_FASD_BACKENDS Default backends.
$_FASD_RO If set to any non-empty string, fasd will not add or delete entries from database. You can set and export this variable from command line.
$_FASD_FUZZY Level of "fuzziness" when doing fuzzy matching. More precisely, the number of characters that can be skipped to generate a match. Set to empty or 0 to disable fuzzy matching. Default value is 2.
$_FASD_VIMINFO Path to .viminfo file for viminfo backend, defaults to "$HOME/.viminfo"
$_FASD_RECENTLY_USED_XBEL Path to XDG recently-used.xbel file for recently-used backend, defaults to "$HOME/.local/share/recently-used.xbel"
If fasd does not work as expected, please file a bug report describing the unexpected behavior along with your OS version, shell version, awk version, sed version, and a log file.
You can set
.fasdrcto obtain a log.
Fasd is originally written based on code from z by rupa deadwyler under the WTFPL license. Most if not all of the code has been rewritten. Fasd is licensed under the "MIT/X11" license.