bash20250321b.sh

#!/bin/bash

# (C) David Vajda
# 2025-03-21
# bash programmierung

vorname="bash"
nachname="programmierer"

if [[ "$1" == "$vorname" && "$2" == "$nachname" ]]
then
    echo "das bin ich"
elif [[ "$1" == "$nachname" && -z "$2" ]]
then
    echo "das koennte ich sein"
else
    date
    echo "Hallo Welt"
    i=1
    while [ $i -le 10 ]
    do
        echo "Hallo zum $(($i+1))."
        i=$(($i+1))
    done
    M=(a b c d)
    N=(1 2 3 4)
    O=(r s t u)
    P=(5 6 7 8)
    A+=${M[@]}
    A+=${N[@]}
    A+=${O[@]}
    A+=${N[@]}
    i=0
    j=0
    echo "${A[@]}"
    while [ $i -lt 4 ]
    do
        j=0
        while [ $j -lt 4 ]
        do

            j=$(($j+1))
        done
        i=$(($i+1))
    done
    l=$(ls)
    i=0
    for s in $l
    do
        echo "$s"
        i=$(($i+1))
        if [ $i -ge 12 ]
        then
            break
        fi
    done
    /bin/bash "$0" "$vorname" "$nachname"
    /bin/bash "$0" "$nachname"
fi