Practice Write named a program as getMostFreq.c o Takes input text file as arguments o Outputs the most frequent letter (ignoring cases) and displays how many times that letter appears. o If the text file does not exist, print out an error message to the terminal. $cat test, txt This is a list of courses. CsC 1010 - COMPUTERS & APPLICATIONS $./getMostFreq test. txt Most frequent letter is 's', it appeared 8 times $./getMostFreq NotExist. txt Error: file not exist.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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C programming
**Practice:**

Write a C program named as **getMostFreq.c**

- Takes input text file as arguments.
- Outputs the most frequent letter (ignoring cases) and displays how many times that letter appears.
- If the text file does not exist, print out an error message to the terminal.

Example:

```bash
$ cat test.txt
This is a list of courses.
CSC 1010 - COMPUTERS & APPLICATIONS
$ ./getMostFreq test.txt
Most frequent letter is 's', it appeared 8 times
$ ./getMostFreq NotExist.txt
Error: file not exist.
```
Transcribed Image Text:**Practice:** Write a C program named as **getMostFreq.c** - Takes input text file as arguments. - Outputs the most frequent letter (ignoring cases) and displays how many times that letter appears. - If the text file does not exist, print out an error message to the terminal. Example: ```bash $ cat test.txt This is a list of courses. CSC 1010 - COMPUTERS & APPLICATIONS $ ./getMostFreq test.txt Most frequent letter is 's', it appeared 8 times $ ./getMostFreq NotExist.txt Error: file not exist. ```
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