One of the senior administrators gave me a shell script to modify and it begins as follows:
if ] && ]
{more code follows}
Why the double square brackets? (10 Replies)
Hi
First apologies if this has been raised before.
I've got the following in a ksh script:
if ]
For some reason this does not work. But if I remove the double square brackets to:
if
This works.
I thought ksh supported the ]. Or is there more to it?
Thanks in advance. (3 Replies)
Hi,
I just came across an interesting shell script syntax like the one below:
] && (trap 'rm -rf ${WORK_DIR}/*.$$; echo "\n\nInterrupted !!\n\n"; exit 4' 1 2 3 15)
Can someone please explain the code snippet above?
The trap command bit is fine but ] && is the hazy part.
Generally we use an... (2 Replies)
Hello,
Can someone please explain to me the following line,
] && break
I do not understand why two test square brackets are used.
Thanks,
Shantanu
---------- Post updated at 03:38 PM ---------- Previous update was at 03:35 PM ----------
And, also why there's a $ before (echo $c |... (5 Replies)
Hi All,
I have a text file which looks like this:
computer programming
systems engineering
I want to get rid of these square brackets and also the text that is inside these brackets. So that my final text file looks like this:
computer programming
systems engineering
I am using... (3 Replies)
Hi frieds, I don't understand the difference between single square bracket and double square brackets in a IF condition.
Ex.
if ;
then
RETURNJOB=1
else
RETURNJOB=0
fi
It run, but this
if ];
then
RETURNJOB=1
else
RETURNJOB=0
fi (4 Replies)
I wanted to compare the value inside the Squre bracket after Colon ( : ) based on any value(seperated by or operator | ) inside the variable Thread and if match found then wnated to store in output file
Input file :
20140320 00:08:43.918 INO 35] - Corporate hub is
20140320 00:08:43.918... (2 Replies)
Hello all,
I have the following problem:
$ cat infile
this is spam and i need this too
this is spam and i need this too
$ perl -nwe '$_ =~ /]+ \]+)\]\]*\]? (\+)$/; print "$1 - $2\n";' infile
i need this - too
i need this - and i need this too
I am not sure how many occurences of... (13 Replies)
Hi All,
Hope you all are doing good. Yesterday in my project i came across a scenario which i can not guess why it was working in one region and why it was not in another region. Please find my issue below.
I am using AIX version 6.0 of UNIX in my project, in shell scripting i have the... (1 Reply)
Discussion started by: mad man
1 Replies
LEARN ABOUT DEBIAN
gchem3d
GCHEM3D(1) gnome-chemistry-utils GCHEM3D(1)NAME
gchem3d - a small chemical viewer application
SYNOPSIS
gchem3d [OPTION(S)...] [FILE...]
DESCRIPTION
gchem3d is a small chemical viewer application, which can show several chemical file formats.
OPTIONS
The following options are accepted:
-b COLOR, --bgcolor=COLOR
Use the given color as background color. COLOR can be one of "black" (default), "white", "#rrggbb" (don't forget to escape the "#"
character in the shell).
-d MODEL, --display3d=MODEL
Choose how molecules are displayed. MODEL can be one of "BallnStick" (default), "SpaceFill".
-?, --help
Show application help options.
--help-all, --help-*
Print all or just a group of help options. These options are not documented here. Instead see gtk-options(7) and gnome-options(7).
-v, --version
Print gchem3d version information.
SEE ALSO gnome-options(7), gtk-options(7)AUTHORS
Jean Brefort <jean.brefort@normalesup.org>
Program author.
Daniel Leidert <daniel.leidert@wgdd.de>
Manpage author.
COPYRIGHT
Copyright (C) 2002-2007 Jean Brefort
Copyright (C) 2004-2007 Daniel Leidert
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or any
later version published by the Free Software Foundation.
gcu 0.12 $Date: 2009-03-19 10:53:47 +0100 (jeu. 19 mars 2009) $ GCHEM3D(1)