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make matching behavior slightly more intuitive #157

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make matching behavior slightly more intuitive #157

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41 changes: 18 additions & 23 deletions z.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -137,49 +137,44 @@ _z() {
if( dx < 604800 ) return rank / 2
return rank / 4
}
function output(files, out, common) {
function output(files, out) {
# list or return the desired directory
if( list ) {
cmd = "sort -n >&2"
for( x in files ) {
if( files[x] ) printf "%-10s %s\n", files[x], x | cmd
}
if( common ) {
printf "%-10s %s\n", "common:", common > "/dev/stderr"
}
} else {
if( common ) out = common
print out
}
}
function common(matches) {
# find the common root of a list of matches, if it exists
for( x in matches ) {
if( matches[x] && (!short || length(x) < length(short)) ) {
short = x
}
}
if( short == "/" ) return
# use a copy to escape special characters, as we want to return
# the original. yeah, this escaping is awful.
clean_short = short
gsub(/\[\(\)\[\]\|\]/, "\\\\&", clean_short)
for( x in matches ) if( matches[x] && x !~ clean_short ) return
return short
function matchpast(str, ere, thresh) {
n = match(str, ere)
if (n + RLENGTH > thresh)
return 1
return 0
}
BEGIN {
gsub(" ", ".*", q)
hi_rank = ihi_rank = -9999999999
}
{
n = split($1, broken, "/")
threshhold = length($1) - length(broken[n])

if( typ == "rank" ) {
rank = $2
} else if( typ == "recent" ) {
rank = $3 - t
} else rank = frecent($2, $3)
if( $1 ~ q ) {

if (list) # always match if we are listing them
matches[$1] = rank
if (matchpast($1, q, threshhold))
matches[$1] = rank
} else if( tolower($1) ~ tolower(q) ) imatches[$1] = rank
else if (matchpast(tolower($1), tolower(q), threshhold))
imatches[$1] = rank

if( matches[$1] && matches[$1] > hi_rank ) {
best_match = $1
hi_rank = matches[$1]
Expand All @@ -191,9 +186,9 @@ _z() {
END {
# prefer case sensitive
if( best_match ) {
output(matches, best_match, common(matches))
output(matches, best_match)
} else if( ibest_match ) {
output(imatches, ibest_match, common(imatches))
output(imatches, ibest_match)
}
}
')"
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