fish-shell/share/functions/__fish_complete_man.fish
David Adam 0c4dab54f1 __fish_complete_man: Use awk to parse output of apropos
Closes #960.

Uses pattern matching rather than OS detection. Works with BSD awk, GNU
awk and Solaris' nawk.
2013-11-27 17:58:43 +08:00

53 lines
1.1 KiB
Fish

function __fish_complete_man
if test (commandline -ct)
# 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 count $prev
switch $prev[1]
case '-**'
case '*'
set section $prev[1]
end
set -e prev[1]
end
set section $section"[^)]*"
# Do the actual search
apropos (commandline -ct) ^/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;
}
}
# Linux
/^[^( \t]+ \('$section'\)/ {
split($1, t, " ");
sect = substr(t[2], 2, length(t[2]) - 2);
print t[1], sect ": " $2;
}
# Solaris
/^[^( \t]+\t+[^\(\t]/ {
split($1, t, " ");
sect = substr(t[3], 2, length(t[3]) - 2);
print t[2], sect ": " $2;
}
'
end
end