Difference between revisions of "Bash examples"
From Teknologisk videncenter
m (→Menu eksempel) |
m (→Menu eksempel) |
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=== Menuopstart automatisk ved login === | === Menuopstart automatisk ved login === | ||
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#exit | #exit | ||
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+ | </div> |
Revision as of 09:53, 27 May 2009
bash builtins
if command
Greetings
#!/bin/bash
#Uncomment HOUR=`date +%H` when using for real
#HOUR=`date +%H`
#
#HOUR=$1 only for testing purposes.....
HOUR=$1
if test $HOUR -le 7
then
echo "You are early go home"
else if test $HOUR -le 8
then
echo "You are early"
else if test $HOUR -lt 12
then
echo "Good morning, Vietnam"
else if test $HOUR -lt 16
then
echo "Good evening"
fi
fi
fi
fi
while
count example
#!/bin/bash
COU=1
while test $COU -lt 10000
do
echo -en "COU = $COU\r"
COU=`expr $COU + 1`
done
case
secret password example
#!/bin/bash
# Read the username from the terminal
echo -en "Enter username: "
read USERNAME
# Read the password from the terminal not echoing the characters
echo -en "Enter password: "
stty -echo
read PASSWORD
stty echo
# Find the username in the case and check password
case $USERNAME in
john|John) if test $PASSWORD = "banana"
then
echo "Access granted"
else
echo "Access denied...."
exit
fi
;;
eve|Eve) if test $PASSWORD = "apple"
then
echo "Access granted"
else
echo "Access denied...."
exit
fi
;;
*) echo "Access denied...."
exit
;;
esac
echo "The secret information is 198273"
for
"ADD" users example
#!/bin/bash
USERLIST="bob eve john henry george jane ursula"
for USER in $USERLIST
do
echo -en "Creating user $USER"
# Next three line just pretend to add a user. Just playing :-)
echo "user $USER login permitted" >> /tmp/allowedUsers
sleep 1
echo -e "....[DONE]"
done
Menu eksempel
#!/usr/bin/bash
#
# Dette er en kommentarlinier
#
# Bla Bla
#
########
forbrug()
{
echo -en "($2)\t har brugt $1 kilobytes\t"
grep $2 /etc/passwd | cut -d: -f5
}
LOOP=yes
while test $LOOP == "yes"
do
clear
echo -en " BRUGER MENU:
1: Online brugere.
2: Diskplads brugere
3:
-: Afslut
Indtast valg: "
read VALG
case $VALG in
1) clear
echo -en " B R U G E R E L O G G E T I N D "
finger | less -P"Tast q for at afslutte"
;;
2) clear
echo -e " DISKPLADS FORBRUG BRUGERBASERET"
echo -e " =================================\n"
cd /home
du -ks * 2>/dev/null | sort -rn | less -P"Tast q for at afslutte"
;;
3) clear
echo -e "Dette menupunkt er ikke udviklet endnu"
echo -en "\n Tast <ENTER> for at fortsaette."
read DUMMY
;;
-) LOOP=no
;;
*) echo "\x07"
;;
esac
done
Menuopstart automatisk ved login
Skriv i filen .bash_profile i dit hjemmebibliotek
[heth@bsd ~]$ cd
[heth@bsd ~]$ cat .bash_profile
/home/heth/bin/minmenu
#exit