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Delete all such lines from a file that contains the word “MCA”.
echo -e "Enter the pattern : \c"
read ptrn
cnt=0
for i in `ls -1`
do
if [ -f $i ]
then
l=`grep -E $ptrn $i|wc -l`
if [ $l -gt 0 ]
rm $i
echo "$i is deleted....."
fi
done
Output
Enter the pattern : mca
temp.sh is deleted.....
The schematic of the traffic light controller is as shown in figure 1. There are three control buttons on the panel: HAZ (Hazard), LT (Left) and RT (Right). Whenever, HAZ is clicke
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
Example problem Imagine that you require to create a robot that will roll up close to a light lamp and stop a fixed distance from it. The first question is, how w
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You are working in charge of a group of programmers at a software company. Your task is to assess and research CORBA and to produce a report to be given to the programmers detailin
1. Use mathematical induction to prove Whenever n is a positive integer. 2. Use loop invariant to prove that the program for computing the sum of 1,...,n is correct.
How to create an ER diagram?
Villa La Fourche Ltd is a small family business situated in the East Coast of Mauritius, more precisely Trou d'eau Douce. The compound comprises of 6 independent villas, each of
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Problem Specification I/O programming is the \bread and butter", the raison d'etre, of microcontrollers. After all, our definition of a microcontroller is \a microprocessor wit
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