fzf
export FZF_DEFAULT_OPTS="--height 50% --layout=reverse --multi --bind ctrl-a:select-all,ctrl-d:deselect-all,ctrl-t:toggle"
in ~/.zshrc.local (since I use grml zsh)
Fzf usage example:
grep -RIi "" .* | fzf -m --bind ctrl-a:select-all,ctrl-d:deselect-all,ctrl-t:toggle | cut -d ':' -f1 | sed 's/^.//' | sed 's/.txt//' | sort | uniq | sxiv -i
~/.fzf.zsh
### key-bindings.zsh ###
# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ key-bindings.zsh
#
# - $FZF_TMUX_OPTS
# - $FZF_CTRL_T_COMMAND
# - $FZF_CTRL_T_OPTS
# - $FZF_CTRL_R_OPTS
# - $FZF_ALT_C_COMMAND
# - $FZF_ALT_C_OPTS
# Key bindings
# ------------
# The code at the top and the bottom of this file is the same as in completion.zsh.
# Refer to that file for explanation.
if 'zmodload' 'zsh/parameter' 2>'/dev/null' && (( ${+options} )); then
__fzf_key_bindings_options="options=(${(j: :)${(kv)options[@]}})"
else
() {
__fzf_key_bindings_options="setopt"
'local' '__fzf_opt'
for __fzf_opt in "${(@)${(@f)$(set -o)}%% *}"; do
if [[ -o "$__fzf_opt" ]]; then
__fzf_key_bindings_options+=" -o $__fzf_opt"
else
__fzf_key_bindings_options+=" +o $__fzf_opt"
fi
done
}
fi
'builtin' 'emulate' 'zsh' && 'builtin' 'setopt' 'no_aliases'
{
if [[ -o interactive ]]; then
__fzf_defaults() {
# $1: Prepend to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
# $2: Append to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
echo "--height ${FZF_TMUX_HEIGHT:-40%} --bind=ctrl-z:ignore --bind=ctrl-y:accept $1"
command cat "${FZF_DEFAULT_OPTS_FILE-}" 2> /dev/null
echo "${FZF_DEFAULT_OPTS-} $2"
}
# CTRL-T - Paste the selected file path(s) into the command line
__fzf_select() {
setopt localoptions pipefail no_aliases 2> /dev/null
local item
FZF_DEFAULT_COMMAND=${FZF_CTRL_T_COMMAND:-} \
FZF_DEFAULT_OPTS=$(__fzf_defaults "--reverse --walker=file,dir,follow,hidden --scheme=path" "${FZF_CTRL_T_OPTS-} -m") \
FZF_DEFAULT_OPTS_FILE='' $(__fzfcmd) "$@" < /dev/tty | while read -r item; do
echo -n -E "${(q)item} "
done
local ret=$?
echo
return $ret
}
__fzfcmd() {
[ -n "${TMUX_PANE-}" ] && { [ "${FZF_TMUX:-0}" != 0 ] || [ -n "${FZF_TMUX_OPTS-}" ]; } &&
echo "fzf-tmux ${FZF_TMUX_OPTS:--d${FZF_TMUX_HEIGHT:-40%}} -- " || echo "fzf"
}
fzf-file-widget() {
LBUFFER="${LBUFFER}$(__fzf_select)"
local ret=$?
zle reset-prompt
return $ret
}
if [[ "${FZF_CTRL_T_COMMAND-x}" != "" ]]; then
zle -N fzf-file-widget
bindkey -M emacs '^T' fzf-file-widget
bindkey -M vicmd '^T' fzf-file-widget
bindkey -M viins '^T' fzf-file-widget
fi
# ALT-C - cd into the selected directory
fzf-cd-widget() {
setopt localoptions pipefail no_aliases 2> /dev/null
local dir="$(
FZF_DEFAULT_COMMAND=${FZF_ALT_C_COMMAND:-} \
FZF_DEFAULT_OPTS=$(__fzf_defaults "--reverse --walker=dir,follow,hidden --scheme=path" "${FZF_ALT_C_OPTS-} +m") \
FZF_DEFAULT_OPTS_FILE='' $(__fzfcmd) < /dev/tty)"
if [[ -z "$dir" ]]; then
zle redisplay
return 0
fi
zle push-line # Clear buffer. Auto-restored on next prompt.
BUFFER="builtin cd -- ${(q)dir:a}"
zle accept-line
local ret=$?
unset dir # ensure this doesn't end up appearing in prompt expansion
zle reset-prompt
return $ret
}
if [[ "${FZF_ALT_C_COMMAND-x}" != "" ]]; then
zle -N fzf-cd-widget
bindkey -M emacs '\ec' fzf-cd-widget
bindkey -M vicmd '\ec' fzf-cd-widget
bindkey -M viins '\ec' fzf-cd-widget
fi
# CTRL-R - Paste the selected command from history into the command line
fzf-history-widget() {
local selected
setopt localoptions noglobsubst noposixbuiltins pipefail no_aliases noglob nobash_rematch 2> /dev/null
# Ensure the associative history array, which maps event numbers to the full
# history lines, is loaded, and that Perl is installed for multi-line output.
if zmodload -F zsh/parameter p:history 2>/dev/null && (( ${#commands[perl]} )); then
selected="$(printf '%s\t%s\000' "${(kv)history[@]}" |
perl -0 -ne 'if (!$seen{(/^\s*[0-9]+\**\t(.*)/s, $1)}++) { s/\n/\n\t/g; print; }' |
FZF_DEFAULT_OPTS=$(__fzf_defaults "" "-n2..,.. --scheme=history --bind=ctrl-r:toggle-sort --wrap-sign '\t↳ ' --highlight-line ${FZF_CTRL_R_OPTS-} --query=${(qqq)LBUFFER} +m --read0") \
FZF_DEFAULT_OPTS_FILE='' $(__fzfcmd))"
else
selected="$(fc -rl 1 | awk '{ cmd=$0; sub(/^[ \t]*[0-9]+\**[ \t]+/, "", cmd); if (!seen[cmd]++) print $0 }' |
FZF_DEFAULT_OPTS=$(__fzf_defaults "" "-n2..,.. --scheme=history --bind=ctrl-r:toggle-sort --wrap-sign '\t↳ ' --highlight-line ${FZF_CTRL_R_OPTS-} --query=${(qqq)LBUFFER} +m") \
FZF_DEFAULT_OPTS_FILE='' $(__fzfcmd))"
fi
local ret=$?
if [ -n "$selected" ]; then
if [[ $(awk '{print $1; exit}' <<< "$selected") =~ ^[1-9][0-9]* ]]; then
zle vi-fetch-history -n $MATCH
else # selected is a custom query, not from history
LBUFFER="$selected"
fi
fi
zle reset-prompt
return $ret
}
zle -N fzf-history-widget
bindkey -M emacs '^R' fzf-history-widget
bindkey -M vicmd '^R' fzf-history-widget
bindkey -M viins '^R' fzf-history-widget
fi
} always {
eval $__fzf_key_bindings_options
'unset' '__fzf_key_bindings_options'
}
### end: key-bindings.zsh ###
### completion.zsh ###
# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ completion.zsh
#
# - $FZF_TMUX (default: 0)
# - $FZF_TMUX_OPTS (default: empty)
# - $FZF_COMPLETION_TRIGGER (default: '**')
# - $FZF_COMPLETION_OPTS (default: empty)
# - $FZF_COMPLETION_PATH_OPTS (default: empty)
# - $FZF_COMPLETION_DIR_OPTS (default: empty)
# Both branches of the following `if` do the same thing -- define
# __fzf_completion_options such that `eval $__fzf_completion_options` sets
# all options to the same values they currently have. We'll do just that at
# the bottom of the file after changing options to what we prefer.
#
# IMPORTANT: Until we get to the `emulate` line, all words that *can* be quoted
# *must* be quoted in order to prevent alias expansion. In addition, code must
# be written in a way works with any set of zsh options. This is very tricky, so
# careful when you change it.
#
# Start by loading the builtin zsh/parameter module. It provides `options`
# associative array that stores current shell options.
if 'zmodload' 'zsh/parameter' 2>'/dev/null' && (( ${+options} )); then
# This is the fast branch and it gets taken on virtually all Zsh installations.
#
# ${(kv)options[@]} expands to array of keys (option names) and values ("on"
# or "off"). The subsequent expansion# with (j: :) flag joins all elements
# together separated by spaces. __fzf_completion_options ends up with a value
# like this: "options=(shwordsplit off aliases on ...)".
__fzf_completion_options="options=(${(j: :)${(kv)options[@]}})"
else
# This branch is much slower because it forks to get the names of all
# zsh options. It's possible to eliminate this fork but it's not worth the
# trouble because this branch gets taken only on very ancient or broken
# zsh installations.
() {
# That `()` above defines an anonymous function. This is essentially a scope
# for local parameters. We use it to avoid polluting global scope.
'local' '__fzf_opt'
__fzf_completion_options="setopt"
# `set -o` prints one line for every zsh option. Each line contains option
# name, some spaces, and then either "on" or "off". We just want option names.
# Expansion with (@f) flag splits a string into lines. The outer expansion
# removes spaces and everything that follow them on every line. __fzf_opt
# ends up iterating over option names: shwordsplit, aliases, etc.
for __fzf_opt in "${(@)${(@f)$(set -o)}%% *}"; do
if [[ -o "$__fzf_opt" ]]; then
# Option $__fzf_opt is currently on, so remember to set it back on.
__fzf_completion_options+=" -o $__fzf_opt"
else
# Option $__fzf_opt is currently off, so remember to set it back off.
__fzf_completion_options+=" +o $__fzf_opt"
fi
done
# The value of __fzf_completion_options here looks like this:
# "setopt +o shwordsplit -o aliases ..."
}
fi
# Enable the default zsh options (those marked with <Z> in `man zshoptions`)
# but without `aliases`. Aliases in functions are expanded when functions are
# defined, so if we disable aliases here, we'll be sure to have no pesky
# aliases in any of our functions. This way we won't need prefix every
# command with `command` or to quote every word to defend against global
# aliases. Note that `aliases` is not the only option that's important to
# control. There are several others that could wreck havoc if they are set
# to values we don't expect. With the following `emulate` command we
# sidestep this issue entirely.
'builtin' 'emulate' 'zsh' && 'builtin' 'setopt' 'no_aliases'
# This brace is the start of try-always block. The `always` part is like
# `finally` in lesser languages. We use it to *always* restore user options.
{
# The 'emulate' command should not be placed inside the interactive if check;
# placing it there fails to disable alias expansion. See #3731.
if [[ -o interactive ]]; then
# To use custom commands instead of find, override _fzf_compgen_{path,dir}
#
# _fzf_compgen_path() {
# echo "$1"
# command find -L "$1" \
# -name .git -prune -o -name .hg -prune -o -name .svn -prune -o \( -type d -o -type f -o -type l \) \
# -a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
# }
#
# _fzf_compgen_dir() {
# command find -L "$1" \
# -name .git -prune -o -name .hg -prune -o -name .svn -prune -o -type d \
# -a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
# }
###########################################################
__fzf_defaults() {
# $1: Prepend to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
# $2: Append to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
echo "--height ${FZF_TMUX_HEIGHT:-40%} --bind=ctrl-z:ignore --bind=ctrl-y:accept $1"
command cat "${FZF_DEFAULT_OPTS_FILE-}" 2> /dev/null
echo "${FZF_DEFAULT_OPTS-} $2"
}
__fzf_comprun() {
if [[ "$(type _fzf_comprun 2>&1)" =~ function ]]; then
_fzf_comprun "$@"
elif [ -n "${TMUX_PANE-}" ] && { [ "${FZF_TMUX:-0}" != 0 ] || [ -n "${FZF_TMUX_OPTS-}" ]; }; then
shift
if [ -n "${FZF_TMUX_OPTS-}" ]; then
fzf-tmux ${(Q)${(Z+n+)FZF_TMUX_OPTS}} -- "$@"
else
fzf-tmux -d ${FZF_TMUX_HEIGHT:-40%} -- "$@"
fi
else
shift
fzf "$@"
fi
}
# Extract the name of the command. e.g. foo=1 bar baz**<tab>
__fzf_extract_command() {
local token tokens
tokens=(${(z)1})
for token in $tokens; do
token=${(Q)token}
if [[ "$token" =~ [[:alnum:]] && ! "$token" =~ "=" ]]; then
echo "$token"
return
fi
done
echo "${tokens[1]}"
}
__fzf_generic_path_completion() {
local base lbuf cmd compgen fzf_opts suffix tail dir leftover matches
base=$1
lbuf=$2
cmd=$(__fzf_extract_command "$lbuf")
compgen=$3
fzf_opts=$4
suffix=$5
tail=$6
setopt localoptions nonomatch
if [[ $base = *'$('* ]] || [[ $base = *'<('* ]] || [[ $base = *'>('* ]] || [[ $base = *':='* ]] || [[ $base = *'`'* ]]; then
return
fi
eval "base=$base" 2> /dev/null || return
[[ $base = *"/"* ]] && dir="$base"
while [ 1 ]; do
if [[ -z "$dir" || -d ${dir} ]]; then
leftover=${base/#"$dir"}
leftover=${leftover/#\/}
[ -z "$dir" ] && dir='.'
[ "$dir" != "/" ] && dir="${dir/%\//}"
matches=$(
export FZF_DEFAULT_OPTS
FZF_DEFAULT_OPTS=$(__fzf_defaults "--reverse --scheme=path" "${FZF_COMPLETION_OPTS-}")
unset FZF_DEFAULT_COMMAND FZF_DEFAULT_OPTS_FILE
if declare -f "$compgen" > /dev/null; then
eval "$compgen $(printf %q "$dir")" | __fzf_comprun "$cmd" ${(Q)${(Z+n+)fzf_opts}} -q "$leftover"
else
if [[ $compgen =~ dir ]]; then
walker=dir,follow
rest=${FZF_COMPLETION_DIR_OPTS-}
else
walker=file,dir,follow,hidden
rest=${FZF_COMPLETION_PATH_OPTS-}
fi
__fzf_comprun "$cmd" ${(Q)${(Z+n+)fzf_opts}} -q "$leftover" --walker "$walker" --walker-root="$dir" ${(Q)${(Z+n+)rest}} < /dev/tty
fi | while read -r item; do
item="${item%$suffix}$suffix"
echo -n -E "${(q)item} "
done
)
matches=${matches% }
if [ -n "$matches" ]; then
LBUFFER="$lbuf$matches$tail"
fi
zle reset-prompt
break
fi
dir=$(dirname "$dir")
dir=${dir%/}/
done
}
_fzf_path_completion() {
__fzf_generic_path_completion "$1" "$2" _fzf_compgen_path \
"-m" "" " "
}
_fzf_dir_completion() {
__fzf_generic_path_completion "$1" "$2" _fzf_compgen_dir \
"" "/" ""
}
_fzf_feed_fifo() {
command rm -f "$1"
mkfifo "$1"
cat <&0 > "$1" &|
}
_fzf_complete() {
setopt localoptions ksh_arrays
# Split arguments around --
local args rest str_arg i sep
args=("$@")
sep=
for i in {0..${#args[@]}}; do
if [[ "${args[$i]-}" = -- ]]; then
sep=$i
break
fi
done
if [[ -n "$sep" ]]; then
str_arg=
rest=("${args[@]:$((sep + 1)):${#args[@]}}")
args=("${args[@]:0:$sep}")
else
str_arg=$1
args=()
shift
rest=("$@")
fi
local fifo lbuf cmd matches post
fifo="${TMPDIR:-/tmp}/fzf-complete-fifo-$$"
lbuf=${rest[0]}
cmd=$(__fzf_extract_command "$lbuf")
post="${funcstack[1]}_post"
type $post > /dev/null 2>&1 || post=cat
_fzf_feed_fifo "$fifo"
matches=$(
FZF_DEFAULT_OPTS=$(__fzf_defaults "--reverse" "${FZF_COMPLETION_OPTS-} $str_arg") \
FZF_DEFAULT_OPTS_FILE='' \
__fzf_comprun "$cmd" "${args[@]}" -q "${(Q)prefix}" < "$fifo" | $post | tr '\n' ' ')
if [ -n "$matches" ]; then
LBUFFER="$lbuf$matches"
fi
command rm -f "$fifo"
}
# To use custom hostname lists, override __fzf_list_hosts.
# The function is expected to print hostnames, one per line as well as in the
# desired sorting and with any duplicates removed, to standard output.
if ! declare -f __fzf_list_hosts > /dev/null; then
__fzf_list_hosts() {
setopt localoptions nonomatch
command cat <(command tail -n +1 ~/.ssh/config ~/.ssh/config.d/* /etc/ssh/ssh_config 2> /dev/null | command grep -i '^\s*host\(name\)\? ' | awk '{for (i = 2; i <= NF; i++) print $1 " " $i}' | command grep -v '[*?%]') \
<(command grep -oE '^[[a-z0-9.,:-]+' ~/.ssh/known_hosts 2> /dev/null | tr ',' '\n' | tr -d '[' | awk '{ print $1 " " $1 }') \
<(command grep -v '^\s*\(#\|$\)' /etc/hosts 2> /dev/null | command grep -Fv '0.0.0.0' | command sed 's/#.*//') |
awk '{for (i = 2; i <= NF; i++) print $i}' | sort -u
}
fi
_fzf_complete_telnet() {
_fzf_complete +m -- "$@" < <(__fzf_list_hosts)
}
# The first and the only argument is the LBUFFER without the current word that contains the trigger.
# The current word without the trigger is in the $prefix variable passed from the caller.
_fzf_complete_ssh() {
local -a tokens
tokens=(${(z)1})
case ${tokens[-1]} in
-i|-F|-E)
_fzf_path_completion "$prefix" "$1"
;;
*)
local user
[[ $prefix =~ @ ]] && user="${prefix%%@*}@"
_fzf_complete +m -- "$@" < <(__fzf_list_hosts | awk -v user="$user" '{print user $0}')
;;
esac
}
_fzf_complete_export() {
_fzf_complete -m -- "$@" < <(
declare -xp | sed 's/=.*//' | sed 's/.* //'
)
}
_fzf_complete_unset() {
_fzf_complete -m -- "$@" < <(
declare -xp | sed 's/=.*//' | sed 's/.* //'
)
}
_fzf_complete_unalias() {
_fzf_complete +m -- "$@" < <(
alias | sed 's/=.*//'
)
}
_fzf_complete_kill() {
_fzf_complete -m --header-lines=1 --no-preview --wrap -- "$@" < <(
command ps -eo user,pid,ppid,start,time,command 2> /dev/null ||
command ps -eo user,pid,ppid,time,args 2> /dev/null || # For BusyBox
command ps --everyone --full --windows # For cygwin
)
}
_fzf_complete_kill_post() {
awk '{print $2}'
}
fzf-completion() {
local tokens cmd prefix trigger tail matches lbuf d_cmds
setopt localoptions noshwordsplit noksh_arrays noposixbuiltins
# http://zsh.sourceforge.net/FAQ/zshfaq03.html
# http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags
tokens=(${(z)LBUFFER})
if [ ${#tokens} -lt 1 ]; then
zle ${fzf_default_completion:-expand-or-complete}
return
fi
cmd=$(__fzf_extract_command "$LBUFFER")
# Explicitly allow for empty trigger.
trigger=${FZF_COMPLETION_TRIGGER-'**'}
[ -z "$trigger" -a ${LBUFFER[-1]} = ' ' ] && tokens+=("")
# When the trigger starts with ';', it becomes a separate token
if [[ ${LBUFFER} = *"${tokens[-2]-}${tokens[-1]}" ]]; then
tokens[-2]="${tokens[-2]-}${tokens[-1]}"
tokens=(${tokens[0,-2]})
fi
lbuf=$LBUFFER
tail=${LBUFFER:$(( ${#LBUFFER} - ${#trigger} ))}
# Trigger sequence given
if [ ${#tokens} -gt 1 -a "$tail" = "$trigger" ]; then
d_cmds=(${=FZF_COMPLETION_DIR_COMMANDS-cd pushd rmdir})
[ -z "$trigger" ] && prefix=${tokens[-1]} || prefix=${tokens[-1]:0:-${#trigger}}
if [[ $prefix = *'$('* ]] || [[ $prefix = *'<('* ]] || [[ $prefix = *'>('* ]] || [[ $prefix = *':='* ]] || [[ $prefix = *'`'* ]]; then
return
fi
[ -n "${tokens[-1]}" ] && lbuf=${lbuf:0:-${#tokens[-1]}}
if eval "type _fzf_complete_${cmd} > /dev/null"; then
prefix="$prefix" eval _fzf_complete_${cmd} ${(q)lbuf}
zle reset-prompt
elif [ ${d_cmds[(i)$cmd]} -le ${#d_cmds} ]; then
_fzf_dir_completion "$prefix" "$lbuf"
else
_fzf_path_completion "$prefix" "$lbuf"
fi
# Fall back to default completion
else
zle ${fzf_default_completion:-expand-or-complete}
fi
}
[ -z "$fzf_default_completion" ] && {
binding=$(bindkey '^I')
[[ $binding =~ 'undefined-key' ]] || fzf_default_completion=$binding[(s: :w)2]
unset binding
}
zle -N fzf-completion
bindkey '^I' fzf-completion
fi
} always {
# Restore the original options.
eval $__fzf_completion_options
'unset' '__fzf_completion_options'
}
### end: completion.zsh ###