Esercitazione di Venerdì 23 Marzo 2018

#============= for3.sh ==================
#!/bin/sh
#metodo veloce: echo $*
for par
do
    echo $par
done



#============= es29.sh ==================
#!/bin/sh
if test $# -ne 1
    then echo Inserire un argomento; exit 1;
fi
if test ! -d $1
    then echo Inserire una directory; exit 2;
fi

cd $1
count1=0
count2=0
for str in *
do
    if test -f $str
    then
        echo F $str
        count1=`expr $count1 + 1`
    fi

    if test -d $str
    then
        echo D $str
        count2=`expr $count2 + 1`
    fi
done

echo File trovate: $count1
echo Dir trovate: $count2



#=========== es28.sh ===================
#!/bin/sh
for file in *
do
    if test -f $file
    then
        grep '#!/bin/sh' $file > /dev/null
        if test $? -eq 0
        then
            echo $file
        fi
    fi
done

#=========== es27.sh ====================
#!/bin/sh
for str in *
do
    if test -f $str
    then
        case $str in
        *.sh) echo $str >&2;;
        esac
    fi
done


#=========== es26.sh ====================
!/bin/sh
if test $# -ne 1
then
    echo inserire un solo parametro;
    exit 1;
fi
case $1 in
    /*) echo nome assoluto;;
    */*)echo nome relativo;;
    *) echo nome relativo semplice;;
esac


#============ es25.sh ===================
#!/bin/sh
count=0
ultimo=
args=
for par
do
    count=`expr $count + 1`
    if test $count -eq $#
    then
        ultimo=$par
    else
        args="$args $par"
    fi
done

echo "Ultimo parametro: $ultimo"
echo "Parametri: $args"


#============ APPEND.SH ================
#!/bin/sh
case $# in
    1)cat >> $1;;
    2)cat < $1 >> $2;;
    *)echo Inserire 1 o 2 parametri;;
esac