Since i am new in shell scripting, i need some help from you guys.
I am trying to implement an automata that reflects the attached photo..
The main idea behind is to take an array of (0 & 1)s from the user and terminate it by "end". Then, the string is send to the function to check wether it belongs to the automata or not. The bit string belongs to the automata only if the last bit ends up in a state that has a double circles. If it has one circle that means it does not belong.
I am stuck in how exactly i should automate the process in "case".
Any suggestions of how i can do the function..
Code:
#!/bin/bash
function autometa {
for (( i = 0 ; i<${#X[@]} ; i++ ))
do
case {X[$i]} in
0)
#HELP
;;
1)
#HELP
;;
*) echo "Invalid"
;;
esac
done
}
i=0
while :
do
echo "Please Enter A String of 0 & 1, Write (end) to terminate"
read x
if [ $x = "end" ]
then break
fi
X[$i]=$x
i=$((i+1))
done
autometa $X
echo ${X[@]}
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#!/bin/bash
DIR=/dir/$(date +%y%m)
|| mkdir "$DIR"
for D in $@ # obtem os argumentos
do
cp /usr/home/backup
if backup=null then
mkdir backup
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Please help with the following example.
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Discussion started by: ritakadm
3 Replies
LEARN ABOUT SUNOS
shells
shells(4) File Formats shells(4)NAME
shells - shell database
SYNOPSIS
/etc/shells
DESCRIPTION
The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser-
shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root.
A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by the routines
which search the file. Blank lines are also ignored.
The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/pfcsh, /bin/pfksh, /bin/pfsh, /bin/sh,
/bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/pfcsh, /usr/bin/pfksh,
/usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh. Note that /etc/shells overrides the default list.
Invalid shells in /etc/shells may cause unexpected behavior (such as being unable to log in by way of ftp(1)).
FILES
/etc/shells lists shells on system
SEE ALSO vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)SunOS 5.10 4 Jun 2001 shells(4)
05-08-2013
