8 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi guys,
Is there a way to assign curent time to PS4 variable in ksh. My goal is to have each line produced by 'set -x' command to have a time stamp.
Here is my code:
$cat test
#!/usr/bin/ksh
export PS4="`date` "
set -x
echo "TRACE LINE ONE"
echo "I WILL SLEEP FOR 10 SEC"
sleep 10... (2 Replies)
Discussion started by: aoussenko
2 Replies
2. 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)
Discussion started by: ningy
4 Replies
3. Shell Programming and Scripting
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 .
But when i give a... (4 Replies)
Discussion started by: ningy
4 Replies
4. Shell Programming and Scripting
Hi all,
Before I give up on using SELECT for my first attempt at creating a menu driven script, can anyone please advise if it is possible to include a line break for PS3, I've tried putting in a \n and it does not work.
Tried for both bash and ksh and both gives the same result. Preference... (3 Replies)
Discussion started by: newbie_01
3 Replies
5. Debian
About a year and half or so ago me and a friend set up Debian on a PS3. For a while I could not boot into the ps3 but managed to get it running again. I was very excited to get back in a play on the Debian distro we installed until I found neither of us could remember the password he put on it.
... (3 Replies)
Discussion started by: Azrael
3 Replies
6. Shell Programming and Scripting
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.
but please tell me what is the use of PS3 and where it's used.
I didnt find... (5 Replies)
Discussion started by: clx
5 Replies
7. UNIX for Dummies Questions & Answers
Hi,
how can unset PS="+".
i tryed like this:
$ unset PS4;
but it's not unseting permanently.
it's showing oagain when i was login.
pls help me on this. (1 Reply)
Discussion started by: koti_rama
1 Replies
8. HP-UX
I Need help !
We changed a WS HP 715/33 the new is a HP 715/100 ! The old one supports a HIL keyboard and mouse. The "new" one PS2 keyboard.
We changed only the hardware not the harddisk - now the Xserver didnīt start !
What have we to configure thatt the WS supports the PS2 keyboard under... (0 Replies)
Discussion started by: rbrandt1
0 Replies
Env::PS1(3pm) User Contributed Perl Documentation Env::PS1(3pm)
NAME
Env::PS1 - prompt string formatter
SYNOPSIS
# use the import function
use Env::PS1 qw/$PS1/;
$ENV{PS1} = 'u@h $ ';
print $PS1;
$readline = <STDIN>;
# or tie it yourself
tie $prompt, 'Env::PS1', 'PS1';
# you can also tie a scalar ref
$format = 'u@h$ ';
tie $prompt, 'Env::PS1', $format;
DESCRIPTION
This package supplies variables that are "tied" to environment variables like 'PS1' and 'PS2', if read it takes the contents of the
variable as a format string like the ones bash(1) uses to format the prompt.
It is intended to be used in combination with the various ReadLine packages.
EXPORT
You can request for arbitrary variables to be exported, they will be tied to the environment variables of the same name.
TIE
When you "tie" a variable you can supply one argument which can either be the name of an environement variable or a SCALAR reference. This
argument defaults to 'PS1'.
METHODS
"sprintf($format)"
Returns the formatted string.
Using this method all the time is a lot less efficient then using the tied variable, because the tied variable caches parts of the
format that remain the same anyway.
FORMAT
The format is copied mostly from bash(1) because that's what it is supposed to be compatible with. We made some private extensions which
obviously are not portable.
Note that this is not the prompt format as specified by the posix specification, that would only know "!" for the history number and "!!"
for a literal "!".
Apart from the escape sequences you can also use environment variables in the format string; use $VAR or "${VAR}".
The following escape sequences are recognized:
a The bell character, identical to "