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added https://github.com/rupa/z as a plugin
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#!/bin/bash | ||
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# maintains a jump-list of the directories you actually use | ||
# | ||
# INSTALL: | ||
# * put something like this in your .bashrc: | ||
# . /path/to/z.sh | ||
# * cd around for a while to build up the db | ||
# * PROFIT!! | ||
# | ||
# USE: | ||
# * z foo # goes to most frecent dir matching foo | ||
# * z foo bar # goes to most frecent dir matching foo and bar | ||
# * z -r foo # goes to highest ranked dir matching foo | ||
# * z -t foo # goes to most recently accessed dir matching foo | ||
# * z -l foo # list all dirs matching foo (by frecency) | ||
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||
z() { | ||
local datafile="$HOME/.z" | ||
if [ "$1" = "--add" ]; then | ||
# add | ||
shift | ||
# $HOME isn't worth matching | ||
[ "$*" = "$HOME" ] && return | ||
awk -v p="$*" -v t="$(date +%s)" -F"|" ' | ||
BEGIN { rank[p] = 1; time[p] = t } | ||
$2 >= 1 { | ||
if( $1 == p ) { | ||
rank[$1] = $2 + 1 | ||
time[$1] = t | ||
} else { | ||
rank[$1] = $2 | ||
time[$1] = $3 | ||
} | ||
count += $2 | ||
} | ||
END { | ||
if( count > 1000 ) { | ||
for( i in rank ) print i "|" 0.9*rank[i] "|" time[i] # aging | ||
} else for( i in rank ) print i "|" rank[i] "|" time[i] | ||
} | ||
' "$datafile" 2>/dev/null > "$datafile.tmp" | ||
mv -f "$datafile.tmp" "$datafile" | ||
elif [ "$1" = "--complete" ]; then | ||
# tab completion | ||
awk -v q="$2" -F"|" ' | ||
BEGIN { | ||
if( q == tolower(q) ) nocase = 1 | ||
split(substr(q,3),fnd," ") | ||
} | ||
{ | ||
if( system("test -d \"" $1 "\"") ) next | ||
if( nocase ) { | ||
for( i in fnd ) tolower($1) !~ tolower(fnd[i]) && $1 = "" | ||
if( $1 ) print $1 | ||
} else { | ||
for( i in fnd ) $1 !~ fnd[i] && $1 = "" | ||
if( $1 ) print $1 | ||
} | ||
} | ||
' "$datafile" 2>/dev/null | ||
else | ||
# list/go | ||
while [ "$1" ]; do case "$1" in | ||
-h) echo "z [-h][-l][-r][-t] args" >&2; return;; | ||
-l) local list=1;; | ||
-r) local typ="rank";; | ||
-t) local typ="recent";; | ||
--) while [ "$1" ]; do shift; local fnd="$fnd $1";done;; | ||
*) local fnd="$fnd $1";; | ||
esac; local last=$1; shift; done | ||
[ "$fnd" ] || local list=1 | ||
# if we hit enter on a completion just go there | ||
[ -d "$last" ] && cd "$last" && return | ||
[ -f "$datafile" ] || return | ||
local cd="$(awk -v t="$(date +%s)" -v list="$list" -v typ="$typ" -v q="$fnd" -v tmpfl="$datafile.tmp" -F"|" ' | ||
function frecent(rank, time) { | ||
dx = t-time | ||
if( dx < 3600 ) return rank*4 | ||
if( dx < 86400 ) return rank*2 | ||
if( dx < 604800 ) return rank/2 | ||
return rank/4 | ||
} | ||
function output(files, toopen, override) { | ||
if( list ) { | ||
if( typ == "recent" ) { | ||
cmd = "sort -nr >&2" | ||
} else cmd = "sort -n >&2" | ||
for( i in files ) if( files[i] ) printf "%-10s %s\n", files[i], i | cmd | ||
if( override ) printf "%-10s %s\n", "common:", override > "/dev/stderr" | ||
} else { | ||
if( override ) toopen = override | ||
print toopen | ||
} | ||
} | ||
function common(matches, fnd, nc) { | ||
for( i in matches ) { | ||
if( matches[i] && (!short || length(i) < length(short)) ) short = i | ||
} | ||
if( short == "/" ) return | ||
for( i in matches ) if( matches[i] && i !~ short ) x = 1 | ||
if( x ) return | ||
if( nc ) { | ||
for( i in fnd ) if( tolower(short) !~ tolower(fnd[i]) ) x = 1 | ||
} else for( i in fnd ) if( short !~ fnd[i] ) x = 1 | ||
if( !x ) return short | ||
} | ||
BEGIN { split(q, a, " ") } | ||
{ | ||
if( system("test -d \"" $1 "\"") ) next | ||
print $0 >> tmpfl | ||
if( typ == "rank" ) { | ||
f = $2 | ||
} else if( typ == "recent" ) { | ||
f = t-$3 | ||
} else f = frecent($2, $3) | ||
wcase[$1] = nocase[$1] = f | ||
for( i in a ) { | ||
if( $1 !~ a[i] ) delete wcase[$1] | ||
if( tolower($1) !~ tolower(a[i]) ) delete nocase[$1] | ||
} | ||
if( wcase[$1] > oldf ) { | ||
cx = $1 | ||
oldf = wcase[$1] | ||
} else if( nocase[$1] > noldf ) { | ||
ncx = $1 | ||
noldf = nocase[$1] | ||
} | ||
} | ||
END { | ||
if( cx ) { | ||
output(wcase, cx, common(wcase, a, 0)) | ||
} else if( ncx ) output(nocase, ncx, common(nocase, a, 1)) | ||
} | ||
' "$datafile")" | ||
if [ $? -gt 0 ]; then | ||
rm -f "$datafile.tmp" | ||
else | ||
mv -f "$datafile.tmp" "$datafile" | ||
[ "$cd" ] && cd "$cd" | ||
fi | ||
fi | ||
} | ||
# tab completion | ||
complete -C 'z --complete "$COMP_LINE"' z | ||
# populate directory list. avoid clobbering other PROMPT_COMMANDs. | ||
echo $PROMPT_COMMAND | grep -q "z --add" | ||
[ $? -gt 0 ] && PROMPT_COMMAND='z --add "$(pwd -P)";'"$PROMPT_COMMAND" |