e as a character string. For example, if filename has the value fred.c, then ${#filename} would have the value 6.
The other operator (${#array[*]}) has to do with array variables.
==== String Length ==... f $a. The problem is that ${param:-word} already has a well-defined meaning: expand to word if the exp... By Jim Dennis, jimd@starshine.org
The bash shell has many features that are sufficiently obscure you a
ly desirable; for example, the version 2.6 kernel has much more efficient data handling capabilities th... <version>/i386/os/SRPMS/ directory. If the kernel has been updated using yum or some other method, the ... exit 0
[root@bigboy SPECS]#
</code>
5. The tree has now been created in the /usr/src/redhat/BUILD/ker... el Modules =====
Over the years the Linux kernel has evolved, in the past device drivers were included
rison operator.
----
-z
string is null, that is, has zero length
<code>
String='' # Zero-length ("nu... kings . . .
# Using if [ ... ]
# If a string has not been initialized, it has no defined value.
# This state is called "null" (not the same as zero!).
if [ -n $string1 ] # string1 has not been declared or initialized.
then
echo "St
cause they are fairly low quality.
If your movie has 2.35:1 aspect (most recent action movies), you wi... he impact on encoding performance. Thankfully DVD has sufficiently excessive bitrate that you do not ha... ts.
===== 11.8.2. Output Options =====
MEncoder has options to control the output format. Using these... o synchronization throughout the encode, MEncoder has to drop or duplicate frames. This works rather we
r you will see a small press switch. Sometimes it has a LED readout displaying numbers 1-6 and sometime... very low.
[3 Bet Only Machine] The machine that has to be put in 3 tokens to play the game. Most of t... lindrical part that spins. Every pachislo machine has drums (reels), and some pachinko machines are als... lag is raised or flag formation is done, the game has won something. On the other hand, if the flag is
perands
-n
operand non zero length
1
-z
operand has zero length
1
-d
there exists a directory whose ... d is readable.
-s file
True if file exists and has a size greater than zero.
-t fd
True if file d... d is a socket.
-N file
True if file exists and has been modified since it was last read.
file1 -nt
ather than using the front-door panel (which only has 4 buttons). To hook up a keyboard, unlock and rem... eyboard into the keyboard port (note that this PC has an old-fashion 5-pin DIN plug rather than the new... cube down in the bottom of the cabinet. The cube has a little wall-wart power supply that you can plug
io/Video up to 9, Quicktime 5/6, and Vivo 1/2. It has many MX/SSE (2)/3Dnow(Ex) optimized native audio ... ’s binary codec plugins, and Win32 codec DLLs. It has basic VCD/DVD playback functionality, including D... ===
Support for WMV, RealMedia and other formats has been bundled into the w32codecs package. This pac
dows will show some logging and if the Wii Remote has the sensor bar (or any other infrared light sourc... s of your Wii Remote into line 15
Next step that has caused me to delay this tutorial by a few days, I... charge, accelometer, IR and nunchuk data. Ubuntu has a .deb package that can be accessed fom the top m
where in the section above that last line.
Squid has a minimum required set of ACL statements in the A... s traffic to the Internet.
Only the Squid server has access to the Internet on port 80 (HTTP), because... will additionally have to make sure your firewall has rules to allow your Squid server to access the In
install Adobe Acrobat Reader for Ubuntu 8.04. It has become much simpler to install than it has been in the past, meaning it can be installed via a proper
ser session keyring
INFO: Your private directory has been mounted.
INFO: To see this change in your cu... ser session keyring
INFO: Your private directory has been mounted.
INFO: To see this change in your cu
L Queries in MySQL ======
Microsoft’s SQL Server has a tool called Profiler that you can use to monito... enabled on the terminal)
I’m impressed, phpbb3 has fairly tight, optimized SQL code. Wordpress, on t
">$$</acronym></td><td>List paths that process id has open</td></tr>
<tr><td>•</td><td class="nw">lso... A /dev/sda | grep Power_On_Hours</td><td>How long has this disk (system) been powered on in total</td><
