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(Project: Grep - Count Keyword in File)
(Project: Grep - Count Keyword in File)
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''' Introduction: '''
 
''' Introduction: '''
  
On the Linux system, we are very familiar with the Grep command. This is a similar project to that. But this one is more simple. It just counts how many times the keyword appears in the file. After compile the program, we run it as a command like this:<br>
+
On the Linux system, we are very familiar with the Grep command. This is a similar project to that. But this one is more simple. It just counts how many times the keyword appears in the file. After compile the program, we run it as a command like this:
 
[[File:Screen_Shot_2018-04-03_at_10.00.32_PM.png|100px]]
 
[[File:Screen_Shot_2018-04-03_at_10.00.32_PM.png|100px]]
  
 
=== Assignment 2 ===
 
=== Assignment 2 ===
 
=== Assignment 3 ===
 
=== Assignment 3 ===

Revision as of 22:03, 3 April 2018


GPU610/DPS915 | Student List | Group and Project Index | Student Resources | Glossary

Team Members

  1. Qiliang Chen
  2. Xuan Dinh Truong

Email All

Progress

Assignment 1

Project: LZW Compress

Introduction:

LZW stand for "Lempel–Ziv–Welch". It is a universal lossless data compression algorithm which is widely use in compressing software. It is widely used in image compress and Unix file compress. Here is a project example of LZW compressing written by c++. Here's the link for more details: https://codereview.stackexchange.com/questions/86543/simple-lzw-compression-algorithm

Basic Compile Command:(Linux)

 g++ -std=c++0x lzw.c -o lzw

To Execute Projet

  • Compress file:
 ./lzw -c file.txt
  • Decopress file:
 ./lzw -d file.txt


Profile

We have compress and profile for 3 different size files. The runtime for each is shown below:
Screen Shot 2018-02-23 at 12.55.32 AM.png

To see runtime for each function, see below:
Screen Shot 2018-02-23 at 1.02.40 AM.png

Here is graphic:
Screen Shot 2018-02-23 at 12.42.51 AM.png

Float profile:

Here is the float profile sample for compressing file which has size 54.3MB, float profile is changed to .txt and is simplified)
Screen Shot 2018-02-23 at 1.20.32 AM.png


Project: Grep - Count Keyword in File

Introduction:

On the Linux system, we are very familiar with the Grep command. This is a similar project to that. But this one is more simple. It just counts how many times the keyword appears in the file. After compile the program, we run it as a command like this: Screen Shot 2018-04-03 at 10.00.32 PM.png

Assignment 2

Assignment 3