bin/is_installed

   1 #! /bin/bash
   2 #
   3 # is_installed - a script to find if a package
   4 # is currently installed on Slackware and derivates
   5
   6 # var
   7 SHOWHELP=69
   8 E_NOPKGFOUND=70
   9 E_NOARGS=71
  10 PKGS_PATH="/var/log/packages"
  11
  12 PROG=$(basename $0)
  13
  14
  15 # colors
  16 RED='\033[1;31m'
  17 ORANGE='\033[1;33m'
  18 GREEN='\033[1;32m'
  19 MAGENTA='\033[1;35m'
  20 NC='\033[0m'
  21
  22 function search_file () {
  23         SEARCH=$1
  24         if [ -z $1 ]; then
  25                 #we don't have a string to search
  26                 echo -e "Usage: ${MAGENTA}$PROG ${NC}[file-search] ${GREEN}< filename >"
  27                 echo -e "${RED}exiting${NC}"
  28                 exit $E_NOARGS
  29         fi
  30         finding=$(grep -Hi "$SEARCH" ${PKGS_PATH}/*)
  31         if [[ ! -z $finding ]]; then
  32                 old_IFS=$IFS
  33                 IFS=$'\n'
  34                 old_pkgname=""
  35                 for line in $finding; do
  36                         pkgname=$(echo $line | cut -d":" -f 1)
  37                         match=$(echo $line | cut -d":" -f 2)
  38                         if [[ $pkgname != $old_pkgname ]]; then
  39                                 echo -e "${ORANGE}$(basename $pkgname)${NC}"
  40                         fi
  41                         old_pkgname=$pkgname
  42                         echo -en "\t${GREEN}$match${NC}\n"
  43                 done
  44                 IFS=${old_IFS}
  45         else
  46                 echo -e "${ORANGE}no match for pattern ${GREEN}'$SEARCH' ${ORANGE}found"
  47                 echo -e "${RED}exiting${NC}"
  48                 exit $E_NOPKGFOUND
  49         fi
  50 }
  51
  52 function search_package () {
  53         SEARCH=$1
  54         if [ -z $1 ]; then
  55                 #we don't have a string to search
  56                 echo -e "Usage: ${MAGENTA}$PROG ${GREEN}<filename>"
  57                 echo -e "${RED}exiting${NC}"
  58                 exit $E_NOARGS
  59         fi
  60         finding=$(/bin/ls -1 $PKGS_PATH |grep -i "$SEARCH")
  61         if [[ ! -z $finding ]]; then
  62                 echo -en "${GREEN}$finding\n"
  63                 echo -e "${NC}"
  64         else
  65                 echo -e "${ORANGE}no package matching ${GREEN}'$SEARCH' ${ORANGE}found"
  66                 echo -e "${RED}exiting${NC}"
  67                 exit $E_NOPKGFOUND
  68         fi
  69 }
  70
  71 function info () {
  72         SEARCH=$1
  73         if [ -z $1 ]; then
  74                 #we don't have a string to search
  75                 echo -e "Usage: ${MAGENTA}$PROG ${ORANGE}info ${GREEN}<filename>"
  76                 echo -e "${RED}exiting${NC}"
  77                 exit $E_NOARGS
  78         fi
  79         finding=$(/bin/ls -1 $PKGS_PATH |grep -i "$SEARCH")
  80         if [[ ! -z $finding ]]; then
  81                 less $PKGS_PATH/$finding
  82         else
  83                 echo -e "${ORANGE}no package matching ${GREEN}'$SEARCH' ${ORANGE}found"
  84                 echo -e "${RED}exiting${NC}"
  85                 exit $E_NOPKGFOUND
  86         fi
  87 }
  88
  89 function help () {
  90         echo
  91         echo -e "${MAGENTA}$PROG${NC} -\tSearch for installed packages in the system"
  92         echo -e "\t\tand show which package contains a specific file."
  93         echo -e "${GREEN}USAGE:"
  94         echo -e "\t${MAGENTA}$PROG ${ORANGE}[ file-search ] [ help ] ${GREEN}< item >"
  95         echo -e "\t${MAGENTA}$PROG ${GREEN}<item>${NC} - Search between all installed packages for ${GREEN}item${NC}."
  96         echo -e "\t${MAGENTA}$PROG ${ORANGE}file-search ${GREEN}<item>${NC} - Search for ${GREEN}item${NC} inside every package installed."
  97         echo -e "\t${MAGENTA}$PROG ${ORANGE}help${NC} - Show this help and exit."
  98         echo -e "${NC}"
  99 }
 100 # controlla se vengono passati parametri
 101 if [ -z $1 ]; then
 102         help
 103         exit $E_NOARGS
 104 else
 105         case $1 in
 106                 "file-search" )
 107                         search_file $2
 108                         ;;
 109                 "info" )
 110                         info $2
 111                         ;;
 112                 "help" )
 113                         help
 114                         exit $SHOWHELP
 115                         ;;
 116                 * )
 117                         search_package $1
 118                         ;;
 119         esac
 120 fi
 121
 122
 123 exit