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Shell Programming and Scripting
Need explanation for $PS1, $PS2, $PS3, $PS4
Post 302401226 by Nila on Friday 5th of March 2010 07:27:58 AM
03-05-2010
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I Need help !
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Hi,
how can unset PS="+".
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Hello frnds...
I m asking a general question... thought I never faced and used this (PS3) variable... or may be i m not aware of this...
I know very well about the unix prompt string variables PS1,PS2,PS4.
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Hi all,
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Hi All
I am using the below code to chose a file to view :
PS3="Select file to view : "
select FILE in `ls` QUIT
do
if ; then
clear
cat $FILE
else
break
fi
REPLY=''
done
Everything works fine as long as I am giving the correct choice .
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7. Shell Programming and Scripting
PS3="Enter corresponding number and hit enter:"
select DIR in `cat mylist` QUIT
do
if
then
echo "INVALID INPUT"
else
if ; then
my commands .....
else
break
fi
fi
REPLY=''
done
The above will return something like below :
Select from the list of... (4 Replies)
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Hi guys,
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Here is my code:
$cat test
#!/usr/bin/ksh
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set -x
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LEARN ABOUT SUNOS
check-hostname
check-hostname(1M) System Administration Commands check-hostname(1M) NAME
check-hostname - check if sendmail can determine the system's fully-qualified host name SYNOPSIS
/usr/sbin/check-hostname DESCRIPTION
The check-hostname script is a migration aid for sendmail(1M). This script tries to determine the local host's fully-qualified host name (FQHN) in a manner similar to sendmail(1M). If check-hostname is able to determine the FQHN of the local host, it reports success. Other- wise, check-hostname reports how to reconfigure the system so that the FQHN can be properly determined. FILES
/etc/hosts Host name database /etc/nsswitch.conf Name service switch configuration file /etc/resolv.conf Configuration file for name server routines ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWsndmu | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ SEE ALSO
sendmail(1M), hosts(4), attributes(5) SunOS 5.10 10 Nov 2003 check-hostname(1M)