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|
#!/bin/sh
mirror=${CPANMIRROR:-ftp://cpan.pair.com}
path=/modules/02packages.details.txt.gz
curl --silent "$mirror$path" | gzip -dc | awk '
NR < 10 { next }
{
file = a[split($3, a, "/")]
if (!match(file, /[-_][vV]?[0-9]+/)) {
#print "error: failed to grok " $3 | "cat 1>&2"
next
}
ver = substr(file, RSTART+1)
dist = substr(file, 1, RSTART-1)
sub(/[.]tar[.].*$|[.]zip$/, "", ver)
sub(/^[vV]/, "", ver)
sub(/[.]pm$/, "", dist)
if(dist == "perl") next
mods[dist,ver] = mods[dist,ver] $1 " " $2 "\n"
if (lessthan(dists[dist], ver)) {
dists[dist] = ver
paths[dist] = $3
}
}
END {
for (dist in dists) {
ver = dists[dist]
print dist, ver, paths[dist] | "sort >cpandists"
}
close("sort >cpandists")
# Prints modules out in sorted order, too!
while(getline<"cpandists" > 0) {
print $1 "\n" mods[$1,$2] >"cpanmods"
}
}
function lessthan (l, r)
{
return decver(l) < decver(r)
}
function decver (vs)
{
pcnt = gsub(/[.]/, ".", vs)
if (pcnt < 2) return vs
len = split(vs, vc, ".")
dec = vc[1]
for (i=2; i<=len; i++) dec += (10 ^ (-i * 3)) * vc[i]
return dec
}
'
|
