General :: "unary Operator Expected" Error Msg?

Nov 8, 2010

if [ $games -gt 0 ] ; then
echo ""
echo "*** New Game! ***"


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Programming :: String Comparison - [: =: Unary Operator Expected?

Nov 23, 2010

I would like to compare the nmlookup result of IP's stored in the file ips with a list of PC names stored in the file pcs.

for line in `cat "ips"`


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General :: Bareword Found Where Operator Expected?

Oct 14, 2010

$dec93 = 93;
$ser = SERVO;
$lbit = uc(sprintf("%02x
", $dec93));
if($lbit == 5D){
print DATA "Byte11: $fbits11=$bstr11 Bits:[95-88] $ser

Why do I get this error? Bareword found where operator expected at C:Perl line 64, near "5D" (Missing operator before D?)

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General :: Line 11: Error: Expected ':', ',', '','}' Or '_attribute_' Before '}' Token?

Feb 2, 2010

I worte some code, but I got error for complier.

Code is :
#include <stdio.h>
#include <stdlib.h>


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Programming :: C++ Operator Overloading Within Already Overloaded Operator

Apr 16, 2011

I'm having a bit of an issue using overloaded operators in an already overloaded operator. In my following code, I have overloaded the && operator to compare two Course objects. The operator in turn goes to a function which calls other overloaded operators to compare private object variables of that object to compare them.

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General :: ...c++/4.1.2/bits/vector.tcc:452: Error: Expected Unqualified-id Before (token

Dec 10, 2010

I am trying to install NS-2.1b9a in Fedora 8.0. I have already installed gcc-3.3 and made new link to the newly installed gcc. I used patch made for NS-2.1b9a (found in [URL]...-8-ubuntu.html) to install in Fedora 8.0. Now, when I run ./install I get follwoing error.


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General :: Error "invalid Arithmetic Operator" When Telnet To Local Host ( Via A Personal Port

Feb 12, 2011

i write this script:


i make this script to become a service ( i test it from bash, and my script work good), my problem is when i telnet to my local host ( via a personal port like 5555 telnet give this error: ")syntax error: invalid arithmetic operator (error token is ", i know this error is for echo $(($A+$B)) and i know that telnet can not calculate $A+$B and the error is for this

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Fedora :: Error: Missing Binary Operator Before Token

Oct 26, 2010

I have been spending several days getting wxwidgets to work in code::blocks ide on several different platforms. Now I am down to one instance that I can't figure out. I have wxwidgets working in Fedora 13 x64, but cannot get it to work in a Fedora 13 x32 version. Actually, wxwidgets seem to be installed OK, but I run into compiler errors when I try to compile the default wxhello project. I get quite a few messages, in different header files, of this type:

/usr/include/assert.h:39:42: error: missing binary operator before token "("#if defined __cplusplus && __GNUC_PREREQ (2,95) From my friend Google this would seem to be caused by an older version of boost (before 1.37) - see ("It is an issue with old versions of boost and gcc4.4 It is fixed in boost 1.37")

I did a yum info command on both systems for every relevant package I could think of, including gcc(v4.4.4), gcc-c++(4.4.4), libgcc(4.4.4), libstdc++(4.4.4), boost(1.41.0), wxGTK(2.8.11), wxBase(2.8.11). Both systems are fully updated and have the same versions, with the only difference being 32 vs 64 bit. The same headers compile with no errors on the x64 system, but not x32. I have been able to find no other reason for this error than older versions of the preprocessor, yet that is apparently not the case here).

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General :: Error: Expected Initializer Before "G_GNUC_NULL_TERMINATED"?

Apr 23, 2010

I am using Scientific Linux version 2.6.9-67.EL.cernsmp (root@lxcert-i386) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-9)) #1 SMP Wed Nov 21 16:22:33 CET 2007. Now I want to install rediff bol in it. so i downloaded rediff bol from the site

after that i have downloaded libpurple and libpurple developement from


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Programming :: Why The Expected =, ,, ;, Asm Or __attribute__ Before Typedef Error

Feb 2, 2010

Can you tell me why gcc on LINUX is giving me this error (works find on our SCO machine)/us4/prw/include/vv_sys.h:797: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'typedef'

797 typedef struct node_struct /*NODE STRUCTURE */
798 {
799 struct node_struct *prev_ndp; /*previous node pointer */


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OpenSUSE Install :: Error: Operand Expected /dve/disk/by-label//

Apr 28, 2011

I just installed OS 11.4 this morning. Was previously on CentOS. I chose to have it import the partition & raid setup during install. Now when it boots it hangs with

"Could not find /dev/disk/by-label //" "Want me to fall back to /dev/disk/by_id/ata-ST(lots of drive stuff) -part2 (Y/n)" If I just hit ENTER at that point the boot will go on and it runs fine, but it stalls every time with that same error on boot. I did quite a bit of searching with Google and here (the search here considers every word in the error message to be too short or too common).

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Programming :: Installing Tcl/tk For Use In C++ / Error Expected Type-specifier Before Exception?

Mar 14, 2011

I have perl/tk installed and working. I tried using c++/tk and had to change the #include path in the headers to find the tk.h and tcl.h. I tried compiling a simple c++ program with g++ to test that the headers are correct. the line i type at console is:

g++ test.c -o test.bin

I fixed all previous errors, except for the following.


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CentOS 5 :: Error: Expected Specifier-qualifier-list Before 'dns_tsec_t'

Jun 21, 2011

I m trying to write a program that use omapi but when put the include dhcpctl.h and isc/result.h i m but able to compile the source.

In file included from /usr/include/dhcpctl.h:38,
from rece.c:11:
/usr/local/include/omapip/omapip.h:40:22: error: dns/tsec.h: No such file or directory
In file included from /usr/include/dhcpctl.h:38,


I tried to install bind-devel-9.3.6 and 9.3.4...and still no file...

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Debian :: Error: Expected Constructor, Destructor, Or Type Conversion Before '.' Token

Jan 25, 2011

I don't know if this is the best place to ask this question. This question arose when I had a g++ compilation error: error: expected constructor, destructor, or type conversion before '.' token The above message can be correctly displayed in urxvt or xterm. But in mrxvt the '.' part can't be displayed correctly. Then I noticed that the quote signs are actually different from the usual ones and there seems no way to type ' ' from the keyboard. What are the differences and how to make mrxvt to display ' ' correctly. I found mrxvt very good and easy to configure.

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General :: Use The ?: Operator For If-else Decision In A Shell Script?

Jan 29, 2010

i am not able to understand the appropriate thing to put in the google search...

Is there a way to use the ?: operator for if-else decision in a shell script?

edit: the 'question mark - colon' operator (just editing so that its searchable by someone in need :-P)

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General :: Error:backend-not-running Backend Not Running As Expected (yumex Will Close)

Mar 9, 2010

i installed yumex:yum -y install yumex, when i start yumex it came with this error:fatal error:backend-not-running backend not running as expected (yumex will close) how can i solve it?

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General :: BASH Script Alphabetical Conditional Operator Query?

Mar 14, 2010

I am using "if" to force a word under the condition that the first letter of that word must be a letter of the alphabet, regardless of capitalization, using the " "" != "" " syntax.

Like so:

if [[ "$interface" != "WHAT DO I PUT HERE?" ]] ; then
echo "Invalid input"
exit 1

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Fedora Installation :: Texinfo 4.9 From Texinfo-4.9.tar.bz2 - Info.c:161: Error: Expected Expression Before '/' Token

Mar 17, 2011

I'm using fedora 12 with sun virtualbox and I want to install texinfo 4.9 from texinfo-4.9.tar.bz2

-I extracted the archive in a folder..........ok
-In a terminal: ./configure......................ok
-In the terminal: make...........................error

I am getting:

info.c: In function 'main':
info.c:161: error: expected expression before '/' token
info.c:327: error: expected expression before '/' token
info.c:327: error: too few arguments to function 'info_add_path' ...

and a lot more. For some personnal reasons I must install it this way, I can't upgrade fedora, gcc...

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General :: Awk Does Not Print The Value Of The Variable As Expected

Apr 4, 2011

I have this simple awk program but it not prints var_cab whe^E or ^S or ^M after he finds the second ^C

/^C/ { var_cab = substr($0,1,28); ent = 0 ; print "estoy en cabecera" var_cab;}
/^E/ { if ( ent ==0 ) var_fech = substr($0,4,8) ; ent ++;
print var_cab var_fech $0; }
/^S/ { print var_cab var_fech $0; }
/^M/ { print var_cab var_fech $0; }
END { print var_cab,ent}

the input file is many lines like this, every new block stats with ^CAB

ENT20090706D060709-888 0028560000000012VALLE CA'ZULIA5501, 5502, 5498 y 5535


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General :: Locale Adjustment Not Working As Expected?

May 13, 2011

On Slackware64 13.1 the as-installed en_GB locale gave Sunday as the first day of the week. This was not an issue until Xfce's Orage calendar was used when its display of Sunday as the first day of the week was offputting for someone used to Monday. A minor inconvenience but expected to be easy to fix.

At the command line:
c@CW8:~$ export LANG=en_GB <== same for en_GB.utf8


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General :: Access Time For Ramdisk Is Not As Fast As Expected?

Feb 18, 2010

I am trying to use the Linux Ramdisk y machine and followed the instructions oninux/Ramdisk/ramdisk.html to create a 4GB ramdisk (total memory is 8GB, linux 2.6.9)The issue is that it is taking me almost exactly the same time to read a 1GB file from ramdisk as it is from disk. I was expecting it to be atleast twice as fast.Has anyone encountered this before?

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General :: Bulk File Rename Not Working As Expected?

Jun 25, 2011

Y want to rename a bunch of files and directories to remove the space on the names, easy enough right?

for source in $(find ./); do target=$(echo "$source"|sed -e 's/ /_/g'); mv -f "$source" $target; done

Well, I thought that should have work but the problem is that $source comes up broken, when I run it with echo instead of mv I get the echo with broken names.

In this case "$source"="This is the file I want to rename"
$ echo "$source"


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Ubuntu :: Virtual Box Repository Error "Unable To Find Expected Entry Non-free/source/Sources In Meta-index File"

Dec 25, 2010

I am getting virtual-box repository download error as given below:

Code: Failed to fetch Unable to find expected entry non-free/source/Sources in Meta-index file (malformed Release file?) Some index files failed to download, they have been ignored, or old ones used instead. Repository: deb marverick non-free

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General :: Monitor Not Working As Expected With LiveDistros - Screen Is Totally Dead ?

Feb 27, 2010

I have an Acer Aspire 6930g with an nVidia GeForce 9300m GS which has a broken screen. I have been using an external monitor for some time using Linux Mint, without issue.

I initially set this up with great difficulty using the small parts of the screen that would still display an image at the time. Now, however the screen is totally dead, I have since disconnected the laptop monitor in order to not cause issues.

The issue I am currently having is trying to use live distros.

I'll give you example: I boot ubuntu 9.10 32bit and it gets to the initial boot menu. I choose "Try Ubuntu..." It shows the loading screen. Screen goes blank when going to desktop

I tried Ctrl+Alt+F1 to get to a terminal, but the screen stays blank. The same thing happens with both Knoppix and Backtrack 4 as well. The display goes blank upon switching to the desktop.

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CentOS 5 Networking :: Kernel Rpm Install After Error "Bringing Up Interface Eth0: Device Eth0 Has Different MAC Address Than Expected, Ignoring"

Dec 26, 2010

i install kernel rpm after i boot that kernel network not working kernel name : kernel-rt-trace- [URL] error "Bringing up interface eth0: Device eth0 has different MAC address than expected, ignoring."

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Software :: Conditional Operator In C?

Feb 24, 2010

if anyone knows plz explain this conditional operator timeout ? : MAX SCHEDULE_TIMEOUT

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Programming :: Can't Get The OR Operator To Work?

Apr 18, 2011

I'm having a bit of trouble getting the OR operator to work.This is the code that I have:

$vars["admin link"] = "<a href='/path/to/admin.php'>Admin</a>";
$vars["admin ip"] = "";
$vars["admin ip2"] = "";


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Programming :: TCL AND Operator (&) On A Binary Value?

May 1, 2010

I have a binary value which I receive from a controller. Say this binary value is 42. Just plain hex 42. If you would look at that byte in a debugger you would see 42.Now this value hold 8 bits each indicating a high or a low output. So 0x42 = 01000010b. Which means bits 1 and 6 are '1'.When I would want to find out which bits are set and which are not in a language like C, I simply do:


mask = 0x80;
if (binval & mask) {...}

However I am programming in TCL, and I try to do:


set mask 0x80
if { [expr ($binval & $mask) > 0] } {...}

this fails. At the moment the expr is executed, $binval is evaluated and substituted so the expression I am evaluating is


set mask 0x80
if { [expr ('B' & '0x80') > 0] } {...}

Eventually I got it working by converting the $binval into a '0x42' string value, like this:


binary scan $binval c byte
set byte [format "0x%0x" $byte]
set mask 0x80
if { [expr ($byte & $mask) > 0] } {...}

Then the expression yields what I want. But this seems so stupid and clumsy. Isn't there a better way where I can compare two binary values without conversions?

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Programming :: No Match For 'operator<<' In '((HttpRequest*

Jul 13, 2011

I have a simple program from book C++ cookbook, page 291, 8.3, Using Constructors and Destructors to manage resources (or RAII), but it can not get compiled in my g++

// Example 8-3. Using constructors and destructors
#include <iostream>
#include <string>
using namespace std;


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Programming :: Getting A Comparison Operator To Work?

Feb 8, 2010

I'm very new at Bash scripting and have a bone head issue that I'm trying (and failing) to resolve. I cannot get this one IF statement to work, it seems the comparison operator does not think the resulting number from the $b*$c+$b operation is an integer even though it is a number. Below is a small proof of concept script with the bit I'm having trouble with.

#! /bin/bash
if [ "$a" -le "$(echo "($b*$c+$b)"|bc)" ]


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