clfu-search.sh

#!/bin/bash

# The CommandLineFu.com is a great web site to exchange knowledge about shell usage and command line
# magics. But if that is about command line will be to have a command line interface to access this
# knowledge.
# The clfu-seach is the usable proof of concept to think seriously on this idea.

# via http://www.colivre.coop.br/Aurium/CLFUSearch

# This is a Free (as in freedom) Software licenced under the last GPL.
# Se the licence at http://www.gnu.org/licenses/gpl.html
# Copyright (C) 2009 Aurélio A. Heckert <aurium(a)gmail-dot-com>

search="$@"

if test -z "$search"; then
  echo "
$(basename $0) - A command line interface to search at commandlinefu.com

Usage:
  \$ $(basename $0) <search words>

Example:
  \$ $(basename $0) history uniq
  Searching...

  history | awk '{print \$2}' | sort | uniq -c | sort -rn | head
  List of commands you use most often

  history|awk '{print \$2}'|awk 'BEGIN {FS=\"|\"} {print \$1}'|sort|uniq -c|sort -r
  See most used commands
  "
  exit 0
fi

search_file=$( mktemp )

echo -e "\e[34mSearching...\e[m"
wget --post-data "q=$search" \
     -O $search_file \
     http://www.commandlinefu.com/search/autocomplete 2>/dev/null

echo -e "$(
grep --invert-match '<div class="autocomplete-description">\|<a style\|<\/\?ul>\|<\/\?li>\|[0-9]\+ comments\?)' $search_file |
sed -r '
  s/\\/\\\\/g;
  s/<strong>/\\e[1m/g;
  s/<\/strong>/\\e[m\\e[32m/g;
  s/^\s*<div class="autocomplete-command">(.*)<\/div>\s*$/\\e[32m\1\\e[m/g;
  s/^\s*<\/div>\s*$//g;
  s/\s*\([0-9]+ votes?,\s*$//g;
  s/^\s*//g;
  ')"
echo ""

rm $search_file