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z.fish
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z.fish
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# maintains a jump-list of the directories you actually use
#
# INSTALL:
# * put something like this in your config.fish:
# . /path/to/z.fish
# * put something like this in your fish_prompt function:
# z --add "$PWD"
# * cd around for a while to build up the db
# * PROFIT!!
#
# USE:
# * z foo # goes to most frecent dir matching foo
# * z foo bar # goes to most frecent dir matching foo and bar
# * z -r foo # goes to highest ranked dir matching foo
# * z -t foo # goes to most recently accessed dir matching foo
# * z -l foo # list all dirs matching foo (by frecency)
function zd -d "Jump to a recent directory."
set -l datafile "$HOME/.config/z"
# add entries
if [ "$argv[1]" = "--add" ]
set -e argv[1]
# $HOME isn't worth matching
[ "$argv" = "$HOME" ]; and return
set -l tempfile (mktemp $datafile.XXXXXX)
test -f $tempfile; or return
# maintain the file
awk -v path="$argv" -v now=(date +%s) -F"|" '
BEGIN {
rank[path] = 1
time[path] = now
}
$2 >= 1 {
if( $1 == path ) {
rank[$1] = $2 + 1
time[$1] = now
} else {
rank[$1] = $2
time[$1] = $3
}
count += $2
}
END {
if( count > 5000 ) {
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 ^/dev/null > $tempfile
mv -f $tempfile $datafile
# tab completion
else
if [ "$argv[1]" = "--complete" ]
awk -v q="$argv[2]" -F"|" '
BEGIN {
if( q == tolower(q) ) nocase = 1
split(q,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
set -l last ''
set -l list 0
set -l typ ''
set -l fnd ''
while [ (count $argv) -gt 0 ]
switch "$argv[1]"
case -- '-h'
echo "z [-h][-l][-r][-t] args" >&2
return
case -- '-l'
set list 1
case -- '-r'
set typ "rank"
case -- '-t'
set typ "recent"
case -- '--'
while [ "$argv[1]" ]
set -e argv[1]
set fnd "$fnd $argv[1]"
end
case '*'
set fnd "$fnd $argv[1]"
end
set last $1
set -e argv[1]
end
[ "$fnd" ]; or set list 1
# if we hit enter on a completion just go there
[ -d "$last" ]; and cd "$last"; and return
# no file yet
[ -f "$datafile" ]; or return
set -l tempfile (mktemp $datafile.XXXXXX)
test -f $tempfile; or return
set -l target (awk -v t=(date +%s) -v list="$list" -v typ="$typ" -v q="$fnd" -v tmpfl="$tempfile" -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 [ $status -gt 0 ]
rm -f "$tempfile"
else
mv -f "$tempfile" "$datafile"
[ "$target" ]; and cd "$target"
end
end
end
end