fu-search

#!/usr/bin/env bash
#chilicuil <chilicuil@gmail.com> 2010
#search in the awesome www.commandlinefu.com site

PATTERN="$@"

# I love colors!
BLUE=$'\E[0;34m'
DEFAULT=$'\E[0m'
RED=$'\E[0;31m'
BROWN=$'\E[0;33m'
CYAN=$'\E[0;36m'
DARK_GREY=$'\E[1;30m'
GREEN=$'\E[0;32m'
LIGHT_BLUE=$'\E[1;34m'
LIGHT_CYAN=$'\E[1;36m'
LIGHT_GREEN=$'\E[1;32m'
LIGHT_GREY=$'\E[0;37m'
LIGHT_PURPLE=$'\E[1;35m'
LIGHT_RED=$'\E[1;31m'
PURPLE=$'\E[1;35m'
WHITE=$'\E[1;37m'
YELLOW=$'\E[0;33m'

usage()
{
    echo "Usage: `basename $0` [-c] pattern" >&2
    echo >&2
    echo "          -c     Colorize the output" >&2
    exit 1
}

if [[ -z "$PATTERN" ]]; then
    usage
fi

while getopts ":c:" option; do
    case $option in
        c)
          CFLAG=yes PATTERN=$OPTARG ;;
        :)
          echo "Option -$OPTARG requires an argument"
          usage
          ;;
        \?)
          echo "Invalid option: -$OPTARG"
          usage
          ;;
    esac
done

if [[ -z $CFLAG ]]; then
    curl -s "http://www.commandlinefu.com/commands/matching/$PATTERN/`echo -n $PATTERN |  base64`/plaintext/sort-by-votes" |\
    grep --invert-match "commandlinefu.com by David Winterbottom" #I wanna keep the output as clean as possible
else
    curl -s "http://www.commandlinefu.com/commands/matching/$PATTERN/`echo -n $PATTERN |  base64`/plaintext/sort-by-votes" |\
    grep --invert-match "commandlinefu.com by David Winterbottom" | sed -e "
            s:^#.*:$PURPLE&$DEFAULT:g" -e "
            s:[^#].*:$LIGHT_GREEN&$DEFAULT:g" -e "
            /#/!s/\<$PATTERN\>/$YELLOW&$LIGHT_GREEN/g" #for some reason if I change / for : it doesn't work
            # I couldn't find any way to run :#:!s:\<$PATTERN\>/$RED&$LIGHT_GREEN\$/g in only 1 sed, actually I could ^-^
fi