📄 mansearch
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#!/bin/sh## Interface to a glimpse search of the man pages.# Michael Hamilton <michael@actrix.gen.nz># Small changes - aeb, 980109## Do we need lynxcgi URLs? For the moment our criterion is# 1) HTTP_USER_AGENT=Lynx* and 2) HTTP_HOST is unset.AGENT="${HTTP_USER_AGENT-unknown}"case "$AGENT" in Lynx*|lynx*) HH="${HTTP_HOST-nohh}" SED="s/%lynx //" ;; *) HH=nolynx SED="/%lynx/d" ;;esacSERVER="${SERVER_NAME-localhost}"case "$HH" in nohh) CG="lynxcgi:/home/httpd/cgi-bin/man" ;; *) CG="http://$SERVER/cgi-bin/man" ;;esacQUOTE="'"export CG QUOTE SEDexec awk 'function removeopts(string) { gsub(/^[ \t]/, "", string); # Remove leading spaces gsub(/[ \t]$/, "", string); # Remove trailing spaces gsub(/[ \t\\];/, ";", string); # Remove spaces before ; gsub(/[ \t];/, ",", string); # Remove spaces before , while (match(string, /^-[FLBwk1-8]/)) { if (match(string, /^-[FL]( |.)[^ \t]+[ \t]+/)) { # Option with arg options = options " " substr(string, RSTART, RLENGTH); string = substr(string, RSTART + RLENGTH); } else if (match(string, /^-[Bwk1-8][ \t]+/)) { # Option without arg options = options " " substr(string, RSTART, RLENGTH); string = substr(string, RSTART + RLENGTH); } else if (match(string, /^-[^ \t]/)) { # Remove it string = substr(string, RSTART + RLENGTH); } } return string;}BEGIN { searchdocument = "/home/httpd/cgi-aux/man/mansearch.aux"; quote = ENVIRON["QUOTE"]; cgipath = ENVIRON["CG"]; sedcmd = ENVIRON["SED"]; truncate_at = 11; # Single page display match limit. glimpse_cmd = "glimpse -z -H /var/man2html -y -W -i " for (i = 1; i < ARGC; i++) { string = string " " ARGV[i]; } # Have to be careful to single quote this # string later. gsub(/[^a-zA-Z0-9-_+ \t\/@%:;,$*|]/, " ", string); string = removeopts(string); gsub(/[^a-zA-Z0-9-_+ \t\/@%:,]/, " ", options); if (!string) { if (system("test -r " searchdocument ) != 0) { print "Content-type: text/html\n\n"; print "<head>"; print "<title>mansearch - file not found</title>"; print "</head>\n<body>"; print "Sorry - cannot read " searchdocument "."; print "</body>"; exit; } system("sed " quote "s#%cg#" cgipath "#g;" sedcmd quote " " searchdocument ); exit; } print "Content-type: text/html"; print ""; print "<HTML>"; print "<HEAD>"; print "<TITLE>Manual Pages - Search Results: " string "</TITLE>"; print "</HEAD>"; print "<BODY>"; print "<H1>Manual Pages - Search Results</H1>"; print "<H2>Target text: " options " " string "</H2>"; print "<A HREF=\"" cgipath "/mansearch\">"; print "Perform another search"; print "</A><BR>"; print "<A HREF=\"" cgipath "/man2html\">"; print "Return to Main Contents"; print "</A>"; print "<HR>"; print "<DL>"; # Unless you like being hacked, the single # forward quotes are most important. cmd = glimpse_cmd " " options " " quote string quote " 2>/dev/null" ; while ((cmd | getline matchline) > 0) { if (split(matchline, part, ": ") == 1) { continue; } else { fullname = part[1]; } if (fullname == "glimpse") { print "<DT><B>"fullname"</B>:"; } else if (fullname != last_fullname) { mcount++; tcount = 0; last_fullname = fullname ; last_text = ""; if (match(fullname, ".*/")) { dirname = substr(fullname, 1, RLENGTH); filename = substr(fullname, RLENGTH + 1); if (dirname != last_dirname) { last_dirname = dirname; print "</DL>"; print "<H3>Location: " dirname "</H3>"; print "<DL>"; } } else { filename = fullname; } if (match(filename, /\.[^.]+$/)) { ref = substr(filename, 1, RSTART - 1) "+" substr(filename, RSTART + 1); } else { ref = filename; } print "<DT> <a href=\"" cgipath "/man2html?" fullname "\">"; textname = filename; sub(/\.(gz)|Z|z$/, "", textname); sub(/\./, "(", textname); textname = textname ")"; print textname; print "</A>"; } text = substr(matchline, length(fullname) + 2); tcount++; if (tcount < truncate_at) { sub(/^ *.[^ ]+ /, "", text); sub(/ +$/, "", text); gsub(/\\f./, "", text); gsub(/\\&/, "", text); gsub(/\\/, "", text); print "<DD>" text; } else if (tcount == truncate_at) { print "<DD> <I>...additional matches not shown.</I>"; } } print "</DL>"; if (mcount == 0) { print "No matches found."; } else if (mcount == 1) { print "<HR>\n<P>1 match found." } else { print "<HR>\n<P>" mcount " matches found." } print "</BODY>"; print "</HTML>"; exit; }' "$@"⌨️ 快捷键说明
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