fish-shell/share/functions/__fish_complete_man.fish
2016-05-29 14:34:20 +02:00

73 lines
1.7 KiB
Fish

function __fish_complete_man
# Try to guess what section to search in. If we don't know, we
# use [^)]*, which should match any section
set section ""
set prev (commandline -poc)
set -e prev[1]
while set -q prev[1]
switch $prev[1]
case '-**'
case '*'
set section $prev[1]
end
set -e prev[1]
end
set section $section"[^)]*"
set -l token (commandline -ct)
# If we don't have a token but a section, list all pages for that section.
# Don't do it for all sections because that would be overwhelming.
if test -z "$token" -a "$section" != "[^)]*"
set token "."
end
if test -n "$token"
# Do the actual search
apropos $token ^/dev/null | awk '
BEGIN { FS="[\t ]- "; OFS="\t"; }
# BSD/Darwin
/^[^( \t]+\('$section'\)/ {
split($1, pages, ", ");
for (i in pages) {
page = pages[i];
sub(/[ \t]+/, "", page);
paren = index(page, "(");
name = substr(page, 1, paren - 1);
sect = substr(page, paren + 1, length(page) - paren - 1);
print name, sect ": " $2;
}
}
# man-db
/^[^( \t]+ +\('$section'\)/ {
split($1, t, " ");
sect = substr(t[2], 2, length(t[2]) - 2);
print t[1], sect ": " $2;
}
# man-db RHEL 5 with [aliases]
/^[^( \t]+ +\[.*\] +\('$section'\)/ {
split($1, t, " ");
sect = substr(t[3], 2, length(t[3]) - 2);
print t[1], sect ": " $2;
}
# Solaris 11
# Does not display descriptions
# Solaris apropos outputs embedded backspace in descriptions
/^[0-9]+\. [^( \t]*\('$section'\) / {
split($1, t, " ")
paren = index(t[2], "(");
name = substr(t[2], 1, paren - 1);
sect = substr(t[2], paren + 1, length(t[2]) - paren - 1);
print name, sect
}
'
else
return 1
end
return 0
end