inspector/util.sh

#! /bin/sh
# posix compatible utility functions

mountpoints() {
    case "$(uname -s)" in
        Linux|FreeBSD)
            df -P | awk 'NR>1 {print $6}'
            ;;
        *)
            return 1
            ;;
    esac
}

df_fs() {
    case "$(uname -s)" in
        Linux|FreeBSD)
            df -P "$1" | awk 'NR>1 {print $1}'
            ;;
        *)
            return 1
            ;;
    esac
}

# returns the size in 1K blocks
df_blocks() {
    case "$(uname -s)" in
        Linux|FreeBSD)
            df -Pk "$1" | awk 'NR>1 {print $2}'
        ;;
        *)
            return 1
            ;;
    esac
}

df_blocks_used() {
    case "$(uname -s)" in
        Linux|FreeBSD)
            df -Pk "$1" | awk 'NR>1 {print $3}'
        ;;
        *)
            return 1
            ;;
    esac
}

df_blocks_avail() {
    case "$(uname -s)" in
        Linux|FreeBSD)
            df -Pk "$1" | awk 'NR>1 {print $4}'
        ;;
        *)
            return 1
            ;;
    esac
}

df_blocks_capacity() {
    case "$(uname -s)" in
        Linux|FreeBSD)
            df -Pk "$1" | awk 'NR>1 {print $5}'
        ;;
        *)
            return 1
            ;;
    esac
}

df_has_inodes() {
    case "$(uname -s)" in
        Linux)
            df -i "$1" | awk 'NR>1 { if ($5 == "-") print 0; else print 1 }'
        ;;
        FreeBSD)
            df -i "$1" | awk 'NR>1 { if ($8 == "-") print 0; else print 1 }'
        ;;
        *)
            return 1
        ;;
    esac
}

df_inodes() {
    case "$(uname -s)" in
        Linux)
            df -i "$1" | awk 'NR>1 { print $2 }'
        ;;
        FreeBSD)
            df -i "$1" | awk 'NR>1 { print $6+$7 }'
        ;;
        *)
            return 1
        ;;
    esac
}

df_inodes_used() {
    case "$(uname -s)" in
        Linux)
            df -i "$1" | awk 'NR>1 { print $3 }'
        ;;
        FreeBSD)
            df -i "$1" | awk 'NR>1 { print $6 }'
        ;;
        *)
            return 1
        ;;
    esac
}

df_inodes_free() {
    case "$(uname -s)" in
        Linux)
            df -i "$1" | awk 'NR>1 { print $4 }'
        ;;
        FreeBSD)
            df -i "$1" | awk 'NR>1 { print $7 }'
        ;;
        *)
            return 1
        ;;
    esac
}

df_inodes_capacity() {
    case "$(uname -s)" in
        Linux)
            df -i "$1" | awk 'NR>1 { print $5 }'
        ;;
        FreeBSD)
            df -i "$1" | awk 'NR>1 { print $8 }'
        ;;
        *)
            return 1
        ;;
    esac
}