renamed function for cut tool (#29)

Author: jainmohit2001

src/4/cut.ts

@@ -105,7 +105,7 @@ function parseFieldListString(str: string) {
   return str.replaceAll('"', '').replaceAll(' ', ',');
 }
 
-function main(argv: string[] = process.argv): Promise<string> {
+function unixCut(argv: string[] = process.argv): Promise<string> {
   let delimiter = '\t';
   let command = null;
   let filename = null;
@@ -141,4 +141,4 @@ function main(argv: string[] = process.argv): Promise<string> {
 
   return processCommand(command, filename, delimiter);
 }
-export { main };
+export { unixCut };

src/4/index.ts

@@ -1,7 +1,7 @@
-import { main } from './cut';
+import { unixCut } from './cut';
 
 const func = async () => {
-  const result = await main();
+  const result = await unixCut();
   process.stdout.write(result);
 };
 

tests/4/cut.test.ts

@@ -1,5 +1,5 @@
 import { execSync } from 'child_process';
-import { main } from '../../src/4/cut';
+import { unixCut } from '../../src/4/cut';
 
 describe('Testing Field command with input file', () => {
   const filenames = ['./tests/4/sample.tsv'];
@@ -30,7 +30,7 @@ describe('Testing Field command with input file', () => {
           .toString()
           .replaceAll('\r', '');
         const argv = ['', '', ...options, filename];
-        const result = await main(argv);
+        const result = await unixCut(argv);
         expect(result.length).toBe(expectedOutput.length);
         expect(result).toBe(expectedOutput);
       });
@@ -69,7 +69,7 @@ describe('Testing Field command and delimiter command with input file', () => {
           .toString()
           .replaceAll('\r', '');
         const argv = ['', '', ...options, filename];
-        const result = await main(argv);
+        const result = await unixCut(argv);
         expect(result.length).toBe(expectedOutput.length);
         expect(result).toBe(expectedOutput);
       });