#####!/bin/bash
# define your bash PATH if needed

# Required configuration: Location of text files used as DB
QPer="$HOME/projetos/fomento/capes/ranking.publicacoes/2012-ranking.qualis.periodicos.txt"
QConf="$HOME/projetos/fomento/capes/ranking.publicacoes/2012-ranking.qualis.conferencias.txt"

usage() {
cat <<EOF
Procura strings no Qualis periódicos ou conferências
Uso:
  $0 [ -p | -c ] string1 string2 ... stringN
EOF
}

# test minimum number of arguments
ARGS=$#
if [ $# -lt 2 ]; then usage; exit 1; fi

# process command line options
while getopts "pc" OPTION
do   
    case $OPTION in
     	c)
	    Qualis=$QConf
	    ;;
     	p)
	    Qualis=$QPer
	    ;;
	?)
	    usage
	    exit 1
	    ;;
    esac
done

# assemble the comand line
shift

# initial command corresponding to first string to be matched
CMD="grep -ih $1 $Qualis"
shift

# pipes to process further arguments
while [ x$1 != x ] ; do
    CMD=$CMD" | grep -ih $1"
    shift
done

# execute the multi grep command
eval "$CMD"