====== IF-Operator ======
<code bash>
#!/bin/bash
X=""
if [ -n "$X" ]; then # -n tests to see if the argument is non empty
echo "the variable X is n... but its likely to be all you'll need to remember (if you need anything else, you can always check the
Eingabezeile von read über die Umgebungsvariable IFS (Input Field Separator) zu splitten:
<code>
IFS=";"
while read User Password Email
do
echo -e "$User
