Question 3 : Suppose you have a C project in a folder called “project”, it contains .c and .h files, it also contains some other .txt files and .pdf files. Write a Linux command that will count the number of lines of your text files. That means total line count of every file. (remember you have to count the lines in .txt files only)
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UNIX ASSIGNMENT - IX
Question 3 : Suppose you have a C project in a folder called “project”, it contains .c and .h files, it also contains some other .txt files and .pdf files. Write a Linux command that will count the number of lines of your text files. That means total line count of every file. (remember you have to count the lines in .txt files only)
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- How can data be written to the end of a text file? A. By setting the mode parameter in the open statement to "w". B. By using the append() method. C. By using the writeAppend() command. D. By setting the mode parameter in the open statement to "a". Lines read from a text file A. are written as they are read. B. are deleted from the file as they are read. C. include trailing line breaks. D. are superfluous. How can a file be opened for writing? A. A file can be opened for writing by using the openWrite() command. B. A file can be opened for writing by using the writeOpen() command. C. A file can be opened for writing by including a mode parameter set to "a" or "w" in the open() command. D. A file can be opened for writing by omitting the mode parameter in the open() command. What happens if you write lines of text to a file without including the line breaks? A. Python automatically adds a line break to each line. B. The file will consist of a single…How can you read a text file one line at a time? A. By using the read() command with no parameters. B. By specifying "o" as the mode parameter in the open() command. C. By using the singleLine() string method. D. By using the file object variable as the sequence in a for loop command. After opening a file, how can you advance the file position to a particular offset within the file? A. The only way to get to a particular offset within the file is to first read a particular number of characters. B. By using the position() command, specifying the offset as a parameter. C. By using the seek() command, specifying the offset as a parameter. D. By using an index and square brackets on the file object. What does line.split(";") A. separates the string contained in line at every occurrence of semi-colon B. separates the string contained in line at every occurrence of comma C. separates the string contained in line at the first occurrence of a comma D. concatenates…In Unix/Linux code: Write cmd lines for the following.1. Display lines that begin with upper case and end with lower case among the lines in a text file. Use any filename for your answer.2. Display shell programming scripts in /etc/init.d3. Is [] bracketed expression used in shell scripts under /etc/init.d ? Write a cmd line to evaluate this.Display all lines in all files in /etc/init.d which contains the pattern [] for test cmd
- Implement a simple version of the linux cat command in C++. Use the system calls open(), get() and close(). cat - reads a file as specified by the user and prints its contents. A typical usage is as follows: If from my terminal y run ./cat main.cpp the contents of main.cpp. will be printed. Your program cat can be invoked with one or more files on the command line; it should just print out each file in turn. Example: [terminal]$ ./cat main.cpp main2.cpp #include <iostream>using namespace std;int main(){cout << "Hello, World!"; return 0;}#include <iostream>using namespace std;int main(){cout << "Programming is great fun!";return 0;} As you can see content of main.cpp was printed first and the content of main2.cpp1) Create a daemon in C in the Unix environment, your daemon must create a text file called aitDaemonLog.txt and populate it with 1000 lines of a string each line must be written after 10 seconds, the string must end with the count of the string;. 2)Create a shell script that lists all the files in the present working directory in long format name this file listMyFiles.sh. Write a c program that uses the system() function and uses it to run listMyFiles.sh 3)Write a c program to write a string of your own choosing into shared memory then read the contents of the shared memory created in 4)demonstrate in a c program how to use a fork to create a child process, using pipes let this child process send a message which is read by the parent process 5) Write a c program that shows the PID, PPID, UID and GID of a running process, let this process fork thus creating a child process, let the parent process count from 0 to 50 and the child process from 0 to 25 each process showing while counting…In Linux, Find every file that contains at least two digits in “Folder3” & include subdirectories.
- use PYTHON Even though Windows and macOS sometimes hide them, most files have file extensionsLinks to an external site., a suffix that starts with a period (.) at the end of their name. For instance, file names for GIFsLinks to an external site. end with .gif, and file names for JPEGsLinks to an external site. end with .jpg or .jpeg. When you double-click on a file to open it, your computer uses its file extension to determine which program to launch. Web browsers, by contrast, rely on media typesLinks to an external site., formerly known as MIME types, to determine how to display files that live on the web. When you download a file from a web server, that server sends an HTTP headerLinks to an external site., along with the file itself, indicating the file’s media type. For instance, the media type for a GIF is image/gif, and the media type for a JPEG is image/jpeg. To determine the media type for a file, a web server typically looks at the file’s extension, mapping one to the other.…Help with linux Use positional parameter 1 ($1) as the path to the data file. If the path isn’t supplied, isn’t valid, or isn’t readable then display an error message and exit with status 1.Write a program FileSorter that takes the name of adirectory as a command-line argument and prints out all of the files in the currentdirectory, sorted by file name. Hint : Use the File data type.
- In C++ Implement a simple version of the linux grep command in C++. grep - Looks through a file, line by line, trying to find a user-specified search term in the line. If a line has the word within it, the line is printed out, otherwise it is not. Use the system calls open(), getline(), close(). Requirements (examples run from. terminal) Your program grep is always passed a search term and zero or more files to grep through (thus, more than one is possible). It should go through each line and see if the search term is in it; if so, the line should be printed, and if not, the line should be skipped. [terminal]$ ./grep ! main.cpp main2.cppcout << "Hello, World!";cout << "Programming is great fun!"; The matching is case sensitive. Thus, if searching for world, lines with World will not match. Lines can be arbitrarily long (that is, you may see many many characters before you encounter a newline character, \n). grep should work as expected even with very long lines. For…IN PYTHON please, Attached to the assignment is a test file: lesson4_folderexample.txt Download lesson4_folderexample.txt - External clients have added spaces throughout the folder names by: internal workflow conflict, user mistake, etc - We determined the only issue is that there are spaces, but need to confirm which folders - Write a script that removed all spaces, reports the fixed string, and reports on console which ones needed fixing and which were fine. ..................................................................................................................................................................................................................... This is inside the txt file: /offsideStorage1/production/star wars/reel1/partA/1920x1080 /offsideStorage4/production/starwars/reel - - 1/VFX/Hydraulx /offsideStorage1/production/starwars/reel1/partB/pickups/1920x1080 /offsideStorage1/production/starwars/reel1/VFX/ Framestore…In Linux, Find every file that ends with “.py” or “.txt” or “.cpp” from your root directory.