5 WIP

beispiele/5/01-vars.sh

@@ -5,4 +5,8 @@ X=20            #variables are case sensitive
 $y=             #NULL variable
 echo "x = $x"
 echo "X = $X"
-echo "y = $y"
+echo "y = $y"
+
+unset x
+echo "x = $x"
+

beispiele/5/03-quoting.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+echo 'Ticks "schützen" Anführungszeichen' 
+
+echo "Ist dies ein \"Sonderfall\"?" 
+
+echo "Sie haben `ls | wc -l` Dateien in `pwd`" 
+
+echo "Der Wert von \$x ist $x" 

beispiele/5/04-function-exitcode.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+count2 () {
+      if [ -d "$1" ]; then   # überprüfen, ob der erste Parameter ein Verzeichnis ist
+         ls $1 | wc -l       # wie oben
+         exit 0            # alles OK
+      else
+         echo "Ungültiges Verzeichnis: $1"
+         exit 1            # Fehler
+      fi
+}
+count2 "/gibt/es/garnicht"  # Aufrufe der Funktion count2
+echo "Status: $?"
+
+count2 "/etc"
+echo "Status: $?"
+

beispiele/5/04-function.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+ 
+fatal() {
+     msg=$1
+     echo "Fatal: $msg"
+     exit 1
+}
+ 
+[ -d /tmp ] || fatal "Verzeichnis /tmp existiert nicht"
+[ -w /tmp ] || fatal "Verzeichnis /tmp nicht schreibbar"
+ 
+TMP=/tmp/mydir
+[ -d $TMP ] || mkdir $TMP    # tmp-Verz. erzeugen, wenn noch nicht vorhanden

beispiele/5/06-dialog.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# Set PS3 prompt
+PS3="Enter the space shuttle to get more information : "
+
+# set shuttle list
+select shuttle in columbia endeavour challenger discovery atlantis enterprise pathfinder
+do
+    echo "$shuttle selected"
+done

beispiele/5/07-select-menu.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+# Set PS3 prompt
+PS3="Enter the space shuttle to get more information : "
+
+# set shuttle list
+select shuttle in columbia endeavour challenger discovery atlantis enterprise pathfinder
+do
+    case $shuttle in
+		columbia)
+			echo "--------------"
+			echo "Space Shuttle Columbia was the first spaceworthy space shuttle in NASA's orbital fleet."
+			echo "--------------"
+			;;
+		endeavour)
+			echo "--------------"		
+			echo "Space Shuttle Endeavour is one of three currently operational orbiters in the Space Shuttle." 
+			echo "--------------"		
+			;;
+		challenger) 
+			echo "--------------"				
+		    echo "Space Shuttle Challenger was NASA's second Space Shuttle orbiter to be put into service."
+			echo "--------------"				    
+			;;		
+		discovery) 
+			echo "--------------"		
+			echo "Discovery became the third operational orbiter, and is now the oldest one in service."
+			echo "--------------"							
+			;;		
+		atlantis)
+			echo "--------------"		
+			echo "Atlantis was the fourth operational shuttle built."
+			echo "--------------"							
+			;;
+		enterprise)
+			echo "--------------"		
+			echo "Space Shuttle Enterprise was the first Space Shuttle orbiter."
+			echo "--------------"							
+			;;		
+		pathfinder)
+			echo "--------------"		
+			echo "Space Shuttle Orbiter Pathfinder is a Space Shuttle simulator made of steel and wood."
+			echo "--------------"							
+			;;
+		*)		
+			echo "Error: Please try again (select 1..7)!"
+			;;		
+	esac
+done

beispiele/5/09-backup.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Get date in dd-mm-yyyy format
+NOW="$(date +"%d-%m-%Y")"
+
+function file_backup {
+	wpbackupfile="wordpress-backup-$NOW.tar.gz"
+    oxidbackupfile="oxid-back-$NOW.tar.gz"
+
+	echo 'WP Files Backup --- building tar File...'
+	tar -czf $wpbackupfile /var/html/www/rvv/wp*
+	echo '+DONE'
+	
+    echo 'oxid  Files Backup --- building tar File...'
+	tar -czf $oxidbackupfile /var/html/www/rvv/shop
+	echo '+DONE'
+}
+
+function oxid_db_backup {
+    host=localhost
+    user=rvv
+    pass=xxxxxxxxx
+    db=webshop
+
+	echo 'oxid DB Export ------> '
+	mysqldump --opt --add-drop-table -h$host -u$user -p$pass $db | gzip > oxid-db-$NOW.sql.gz
+}
+
+backupdir=~/backup
+cd ~ ; mkdir $backupdir ; cd $backupdir
+
+oxid_db_backup
+file_backup
+
+# delete old backups
+find /home/dany/backups -mtime +10 -type f -delete

beispiele/5/aufgabe1.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+OUTFILE="liste.txt"
+liste=`ls | tee $OUTFILE `
+echo $liste
+
+cat $OUTFILE