424 lines
14 KiB
Text
424 lines
14 KiB
Text
# Fasd is originally written based on code from z (https://github.com/rupa/z)
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# by rupa deadwyler under the WTFPL license. Most if not all of the code has
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# been rewritten.
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# Copyright (C) 2011, 2012 by Wei Dai. All rights reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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# make zsh do word splitting inside this function
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[ "$ZSH_VERSION" ] && emulate sh && setopt localoptions
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case $1 in
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--init) shift
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while [ "$1" ]; do
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case $1 in
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env)
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{ # Load configuration files
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if [[ -s ${XDG_CONFIG_HOME:-"${HOME}/.config"}/fasd/config ]]; then
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source ${XDG_CONFIG_HOME:-"${HOME}/.config"}/fasd/config
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else
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[[ -s /etc/fasdrc ]] && source /etc/fasd
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[[ -s ${HOME}/.fasdrc ]] && source ${HOME}/.fasdrc
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fi
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# set default options
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(( ! ${+_FASD_DATA} )) && _FASD_DATA="$HOME/.fasd"
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(( ! ${+_FASD_BLACKLIST} )) && _FASD_BLACKLIST="--help"
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(( ! ${+_FASD_SHIFT} )) && _FASD_SHIFT="sudo busybox"
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(( ! ${+_FASD_IGNORE} )) && _FASD_IGNORE="fasd ls echo"
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(( ! ${+_FASD_SINK} )) && _FASD_SINK=/dev/null
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(( ! ${+_FASD_TRACK_PWD} )) && _FASD_TRACK_PWD=1
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(( ! ${+_FASD_MAX} )) && _FASD_MAX=2000
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(( ! ${+_FASD_BACKENDS} )) && _FASD_BACKENDS=native
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(( ! ${+_FASD_FUZZY} )) && _FASD_FUZZY=2
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(( ! ${+_FASD_VIMINFO} )) && _FASD_VIMINFO="$HOME/.viminfo"
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(( ! ${+_FASD_RECENTLY_USED_XBEL} )) && \
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_FASD_RECENTLY_USED_XBEL="$HOME/.local/share/recently-used.xbel"
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if (( ! ${+_FASD_AWK} )); then
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# awk preferences
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local awk; for awk in mawk gawk original-awk nawk awk; do
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$awk "" && _FASD_AWK=$awk && break
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done
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fi
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} >> ${_FASD_SINK:-/dev/null} 2>&1
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;;
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esac; shift
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done
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;;
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# if "$_fasd_cur" or "$2" is a query, then output shell code to be eval'd
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--word-complete-trigger)
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shift; [ "$2" ] && local _fasd_cur="$2" || return
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case $_fasd_cur in
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,*) printf %s\\n "$1 e $_fasd_cur";;
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f,*) printf %s\\n "$1 f ${_fasd_cur#?}";;
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d,*) printf %s\\n "$1 d ${_fasd_cur#?}";;
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*,,) printf %s\\n "$1 e $_fasd_cur";;
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*,,f) printf %s\\n "$1 f ${_fasd_cur%?}";;
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*,,d) printf %s\\n "$1 d ${_fasd_cur%?}";;
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esac
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;;
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--sanitize) shift; printf %s\\n "$*" | \
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sed 's/\([^\]\)$( *[^ ]* *\([^)]*\)))*/\1\2/g
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s/\([^\]\)[|&;<>$`{}]\{1,\}/\1 /g'
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;;
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--proc) shift # process commands
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# stop if we don't own $_FASD_DATA or $_FASD_RO is set
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[ -f "$_FASD_DATA" -a ! -O "$_FASD_DATA" ] || [ "$_FASD_RO" ] && return
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# blacklists
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local each; for each in $_FASD_BLACKLIST; do
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case " $* " in *\ $each\ *) return;; esac
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done
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# shifts
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while true; do
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case " $_FASD_SHIFT " in
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*\ $1\ *) shift;;
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*) break;;
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esac
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done
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# ignores
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case " $_FASD_IGNORE " in
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*\ $1\ *) return;;
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esac
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shift; fasd --add "$@" # add all arguments except command
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;;
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--add|-A) shift # add entries
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# stop if we don't own $_FASD_DATA or $_FASD_RO is set
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[ -f "$_FASD_DATA" -a ! -O "$_FASD_DATA" ] || [ "$_FASD_RO" ] && return
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# find all valid path arguments, convert them to simplest absolute form
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local paths="$(while [ "$1" ]; do
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[ -e "$1" ] && printf %s\\n "$1"; shift
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done | sed '/^[^/]/s@^@'"$PWD"'/@
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s@/\.\.$@/../@;s@/\(\./\)\{1,\}@/@g;:0
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s@[^/][^/]*//*\.\./@/@;t 0
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s@^/*\.\./@/@;s@//*@/@g;s@/\.\{0,1\}$@@;s@^$@/@' 2>> "$_FASD_SINK" \
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| tr '\n' '|')"
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# add current pwd if the option is set
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[ "$_FASD_TRACK_PWD" = "1" -a "$PWD" != "$HOME" ] && paths="$paths|$PWD"
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[ -z "${paths##\|}" ] && return # stop if we have nothing to add
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# maintain the file
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local tempfile
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tempfile="$(mktemp "$_FASD_DATA".XXXXXX)" || return
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$_FASD_AWK -v list="$paths" -v now="$(date +%s)" -v max="$_FASD_MAX" -F"|" '
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BEGIN {
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split(list, files, "|")
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for(i in files) {
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path = files[i]
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if(path == "") continue
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paths[path] = path # array for checking
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rank[path] = 1
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time[path] = now
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}
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}
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$2 >= 1 {
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if($1 in paths) {
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rank[$1] = $2 + 1 / $2
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time[$1] = now
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} else {
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rank[$1] = $2
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time[$1] = $3
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}
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count += $2
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}
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END {
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if(count > max)
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for(i in rank) print i "|" 0.9*rank[i] "|" time[i] # aging
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else
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for(i in rank) print i "|" rank[i] "|" time[i]
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}' "$_FASD_DATA" 2>> "$_FASD_SINK" >| "$tempfile"
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if [ $? -ne 0 -a -f "$_FASD_DATA" ]; then
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env rm -f "$tempfile"
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else
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env mv -f "$tempfile" "$_FASD_DATA"
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fi
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;;
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--delete|-D) shift # delete entries
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# stop if we don't own $_FASD_DATA or $_FASD_RO is set
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[ -f "$_FASD_DATA" -a ! -O "$_FASD_DATA" ] || [ "$_FASD_RO" ] && return
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# turn valid arguments into entry-deleting sed commands
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local sed_cmd="$(while [ "$1" ]; do printf %s\\n "$1"; shift; done | \
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sed '/^[^/]/s@^@'"$PWD"'/@;s@/\.\.$@/../@;s@/\(\./\)\{1,\}@/@g;:0
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s@[^/][^/]*//*\.\./@/@;t 0
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s@^/*\.\./@/@;s@//*@/@g;s@/\.\{0,1\}$@@
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s@^$@/@;s@\([.[\/*^$]\)@\\\1@g;s@^\(.*\)$@/^\1|/d@' 2>> "$_FASD_SINK")"
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# maintain the file
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local tempfile
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tempfile="$(mktemp "$_FASD_DATA".XXXXXX)" || return
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sed "$sed_cmd" "$_FASD_DATA" 2>> "$_FASD_SINK" >| "$tempfile"
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if [ $? -ne 0 -a -f "$_FASD_DATA" ]; then
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env rm -f "$tempfile"
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else
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env mv -f "$tempfile" "$_FASD_DATA"
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fi
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;;
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--query) shift # query the db, --query [$typ ["$fnd" [$mode]]]
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[ -f "$_FASD_DATA" ] || return # no db yet
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[ "$1" ] && local typ="$1"
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[ "$2" ] && local fnd="$2"
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[ "$3" ] && local mode="$3"
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# cat all backends
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local each _fasd_data; for each in $_FASD_BACKENDS; do
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_fasd_data="$_fasd_data
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$(fasd --backend $each)"
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done
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[ "$_fasd_data" ] || _fasd_data="$(cat "$_FASD_DATA")"
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# set mode specific code for calculating the prior
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case $mode in
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rank) local prior='times[i]';;
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recent) local prior='sqrt(100000/(1+t-la[i]))';;
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*) local prior='times[i] * frecent(la[i])';;
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esac
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if [ "$fnd" ]; then # dafault matching
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local bre="$(printf %s\\n "$fnd" | sed 's/\([*\.\\\[]\)/\\\1/g
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s@ @[^|]*@g;s/\$$/|/')"
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bre='^[^|]*'"$bre"'[^|/]*|'
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local _ret="$(printf %s\\n "$_fasd_data" | grep "$bre")"
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[ "$_ret" ] && _ret="$(printf %s\\n "$_ret" | while read -r line; do
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[ -${typ:-e} "${line%%\|*}" ] && printf %s\\n "$line"
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done)"
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if [ "$_ret" ]; then
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_fasd_data="$_ret"
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else # no case mathcing
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_ret="$(printf %s\\n "$_fasd_data" | grep -i "$bre")"
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[ "$_ret" ] && _ret="$(printf %s\\n "$_ret" | while read -r line; do
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[ -${typ:-e} "${line%%\|*}" ] && printf %s\\n "$line"
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done)"
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if [ "$_ret" ]; then
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_fasd_data="$_ret"
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elif [ "${_FASD_FUZZY:-0}" -gt 0 ]; then # fuzzy matching
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local fuzzy_bre="$(printf %s\\n "$fnd" | \
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sed 's/\([*\.\\\[]\)/\\\1/g;s/\$$/|/
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s@\(\\\{0,1\}[^ ]\)@\1[^|/]\\{0,'"$_FASD_FUZZY"'\\}@g
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s@ @[^|]*@g')"
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fuzzy_bre='^[^|]*'"$fuzzy_bre"'[^|/]*|'
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_ret="$(printf %s\\n "$_fasd_data" | grep -i "$fuzzy_bre")"
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[ "$_ret" ] && _ret="$(printf %s\\n "$_ret" | while read -r line; do
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[ -${typ:-e} "${line%%\|*}" ] && printf %s\\n "$line"
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done)"
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[ "$_ret" ] && _fasd_data="$_ret" || _fasd_data=
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fi
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fi
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else # no query arugments
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_fasd_data="$(printf %s\\n "$_fasd_data" | while read -r line; do
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[ -${typ:-e} "${line%%\|*}" ] && printf %s\\n "$line"
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done)"
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fi
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# query the database
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[ "$_fasd_data" ] && printf %s\\n "$_fasd_data" | \
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$_FASD_AWK -v t="$(date +%s)" -F"|" '
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function frecent(time) {
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dx = t-time
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if( dx < 3600 ) return 6
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if( dx < 86400 ) return 4
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if( dx < 604800 ) return 2
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return 1
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}
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{
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if(!paths[$1]) {
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times[$1] = $2
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la[$1] = $3
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paths[$1] = 1
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} else {
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times[$1] += $2
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if($3 > la[$1]) la[$1] = $3
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}
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}
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END {
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for(i in paths) printf "%-10s %s\n", '"$prior"', i
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}' - 2>> "$_FASD_SINK"
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;;
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--backend)
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case $2 in
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native) cat "$_FASD_DATA";;
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viminfo)
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< "$_FASD_VIMINFO" sed -n '/^>/{s@~@'"$HOME"'@
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s/^..//
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p
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}' | $_FASD_AWK -v t="$(date +%s)" '{
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t -= 60
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print $0 "|1|" t
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}'
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;;
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recently-used)
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local nl="$(printf '\\\nX')"; nl="${nl%X}" # slash newline for sed
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tr -d '\n' < "$_FASD_RECENTLY_USED_XBEL" | \
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sed 's@file:/@'"$nl"'@g;s@count="@'"$nl"'@g' | sed '1d;s/".*$//' | \
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tr '\n' '|' | sed 's@|/@'"$nl"'@g' | $_FASD_AWK -F'|' '{
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sum = 0
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for( i=2; i<=NF; i++ ) sum += $i
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print $1 "|" sum
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}'
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;;
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current)
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for path in *; do
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printf "$PWD/%s|1\\n" "$path"
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done
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;;
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spotlight)
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mdfind '(kMDItemFSContentChangeDate >= $time.today) ||
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kMDItemLastUsedDate >= $time.this_month' \
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| sed '/Library\//d
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/\.app$/d
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s/$/|2/'
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;;
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*) eval "$2";;
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esac
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;;
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*) # parsing logic and processing
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local fnd= last= _FASD_BACKENDS="$_FASD_BACKENDS" _fasd_data= comp= exec=
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while [ "$1" ]; do case $1 in
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--complete) [ "$2" = "--" ] && shift; set -- $2; local lst=1 r=r comp=1;;
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--query|--add|--delete|-A|-D) fasd "$@"; return $?;;
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--version) [ -z "$comp" ] && echo "1.0.1" && return;;
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--) while [ "$2" ]; do shift; fnd="$fnd $1"; last="$1"; done;;
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-*) local o="${1#-}"; while [ "$o" ]; do case $o in
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s*) local show=1;;
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l*) local lst=1;;
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i*) [ -z "$comp" ] && local interactive=1 show=1;;
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r*) local mode=rank;;
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t*) local mode=recent;;
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e*) o="${o#?}"; if [ "$o" ]; then # there are characters after "-e"
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local exec="$o" # anything after "-e"
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else # use the next argument
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local exec="${2:?"-e: Argument needed "}"
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shift
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fi; break;;
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b*) o="${o#?}"; if [ "$o" ]; then
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_FASD_BACKENDS="$o"
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else
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_FASD_BACKENDS="${2:?"-b: Argument needed"}"
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shift
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fi; break;;
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B*) o="${o#?}"; if [ "$o" ]; then
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_FASD_BACKENDS="$_FASD_BACKENDS $o"
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else
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_FASD_BACKENDS="$_FASD_BACKENDS ${2:?"-B: Argument needed"}"
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shift
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fi; break;;
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a*) local typ=e;;
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d*) local typ=d;;
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f*) local typ=f;;
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R*) local r=r;;
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[0-9]*) local _fasd_i="$o"; break;;
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h*) [ -z "$comp" ] && echo "fasd [options] [query ...]
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[f|a|s|d|z] [options] [query ...]
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options:
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-s list paths with scores
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-l list paths without scores
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-i interactive mode
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-e <cmd> set command to execute on the result file
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-b <name> only use <name> backend
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-B <name> add additional backend <name>
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-a match files and directories
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-d match directories only
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-f match files only
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-r match by rank only
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-t match by recent access only
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-R reverse listing order
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-h show a brief help message
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-[0-9] select the nth entry
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fasd [-A|-D] [paths ...]
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-A add paths
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-D delete paths" >&2 && return;;
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esac; o="${o#?}"; done;;
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*) fnd="$fnd $1"; last="$1";;
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esac; shift; done
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# guess whether the last query is selected from tab completion
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case $last in
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/?*) if [ -z "$show$lst" -a -${typ:-e} "$last" -a "$exec" ]; then
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$exec "$last"
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return
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fi;;
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esac
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local R; [ -z "$r" ] && R=r || R= # let $R be the opposite of $r
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fnd="${fnd# }"
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local res
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res="$(fasd --query 2>> "$_FASD_SINK")" # query the database
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[ $? -gt 0 ] && return
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if [ 0 -lt ${_fasd_i:-0} ] 2>> "$_FASD_SINK"; then
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res="$(printf %s\\n "$res" | sort -n${R} | \
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sed -n "$_fasd_i"'s/^[^ ]*[ ]*//p')"
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elif [ "$interactive" ] || [ "$exec" -a -z "$fnd$lst$show" -a -t 1 ]; then
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if [ "$(printf %s "$res" | sed -n '$=')" -gt 1 ]; then
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res="$(printf %s\\n "$res" | sort -n${R})"
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printf %s\\n "$res" | sed = | sed 'N;s/\n/ /' | sort -nr >&2
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printf "> " >&2
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local i; read i; [ 0 -lt "${i:-0}" ] 2>> "$_FASD_SINK" || return 1
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fi
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res="$(printf %s\\n "$res" | sed -n "${i:-1}"'s/^[^ ]*[ ]*//p')"
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elif [ "$lst" ]; then
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[ "$res" ] && printf %s\\n "$res" | sort -n${r} | sed 's/^[^ ]*[ ]*//'
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return
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elif [ "$show" ]; then
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[ "$res" ] && printf %s\\n "$res" | sort -n${r}
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return
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elif [ "$fnd" ] && [ "$exec" -o ! -t 1 ]; then # exec or subshell
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res="$(printf %s\\n "$res" | sort -n | sed -n '$s/^[^ ]*[ ]*//p')"
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else # no args, show
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[ "$res" ] && printf %s\\n "$res" | sort -n${r}
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return
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fi
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if [ "$res" ]; then
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fasd --add "$res"
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[ -z "$exec" ] && exec='printf %s\n'
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$exec "$res"
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fi
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;;
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esac
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#case $- in
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# *i*) ;; # assume being sourced, do nothing
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# *) # assume being executed as an executable
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# if [ -x "$_FASD_SHELL" -a -z "$_FASD_SET" ]; then
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# _FASD_SET=1 exec $_FASD_SHELL "$0" "$@"
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# else
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# fasd "$@"
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# fi;;
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#esac
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