[CentOS] simple if statement

Hi Below if $remaining is empty i want the if to finish - what is it i need to put in SOMETHING? if [ $remaining = ] ; then SOMETHING ; else kill -9 $remaining fi thanks? ___ CentOS mailing list CentOS@centos.org

Re: [CentOS] simple if statement

On Fri, Feb 27, 2009 at 11:14:01AM +, Tom Brown wrote: Below if $remaining is empty i want the if to finish - what is it i need to put in SOMETHING? if [ $remaining = ] ; then SOMETHING ; else kill -9 $remaining fi if [ ${remaining} != ] ;

Re: [CentOS] simple if statement

Tom Brown wrote: Hi Below if $remaining is empty i want the if to finish - what is it i need to put in SOMETHING? if [ $remaining = ] ; then SOMETHING ; else kill -9 $remaining fi if [ x${remaining} != x ] ; then kill -9 ${remaining} fi

Re: [CentOS] simple if statement

You have to put in NOTHING, i.e.: if [ $remaining = ] ; then ; else kill -9 $remaining fi A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

Re: [CentOS] simple if statement

I normally do it this way: if (length($remaining) == 0) { do_exit; } Per Hi Below if $remaining is empty i want the if to finish - what is it i need to put in SOMETHING? if [ $remaining = ] ; then SOMETHING ; else kill -9 $remaining fi

Re: [CentOS] simple if statement

On Fri, 2009-02-27 at 11:14 +, Tom Brown wrote: Hi Below if $remaining is empty i want the if to finish - what is it i need to put in SOMETHING? if [ $remaining = ] ; then SOMETHING ; else kill -9 $remaining fi if [ -n $remaining ] ; then kill

Re: [CentOS] simple if statement

snip # Initialize remaing list and then set $remaining # If empty $1 is null while [ -n $1 ] ; do echo $1 # remove this kill -9 $ s/\$/$1/ # OOPS! shift done $ remaining=9997 9998 $ while [ -n $1 ] ; do echo $1 shift done 9997 9998 thanks?

Re: [CentOS] simple if statement

You don't really need to prepend the x if the $remaining is in quotes, do you? If you didn't use quotes, then you could end up with a error if $remaining isn't set. On Feb 27, 2009, at 5:24 AM, Ralph Angenendt wrote: Tom Brown wrote: Hi Below if $remaining is empty i want the if to

Re: [CentOS] simple if statement

On Fri, Feb 27, 2009 at 11:14:01AM +, Tom Brown wrote: Hi Below if $remaining is empty i want the if to finish - what is it i need to put in SOMETHING? if [ $remaining = ] ; then SOMETHING ; else kill -9 $remaining fi A : on it's own will do what

Re: [CentOS] simple if statement

Kevin Krieser wrote: You don't really need to prepend the x if the $remaining is in quotes, do you? If you didn't use quotes, then you could end up with a error if $remaining isn't set. Probably. It's just something I'm used to do :) Cheers, Ralph pgp10DbrpyejE.pgp Description: PGP

Re: [CentOS] simple if statement

A : on it's own will do what you want. if [ $remaining = ] then : else kill -9 $remaining fi But better would be if [ -n $remaining ] then kill -9 $remaining fi thanks to all for the suggestions ___ CentOS

Re: [CentOS] simple if statement

On Fri, 2009-02-27 at 15:42 +0100, Ralph Angenendt wrote: Kevin Krieser wrote: You don't really need to prepend the x if the $remaining is in quotes, do you? If you didn't use quotes, then you could end up with a error if $remaining isn't set. Probably. It's just something I'm used

Re: [CentOS] simple if statement

on 2-27-2009 3:32 AM � spake the following: You have to put in NOTHING, i.e.: if [ $remaining = ] ; then �� � � � � ; � � � �else � � � � � �kill -9 $remaining fi A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: