Update cat.js

onurat · onurat · commit 984e65391efd · 2026-05-05T19:04:01.000+01:00
diff --git a/implement-shell-tools/cat/cat.js b/implement-shell-tools/cat/cat.js
@@ -11,7 +11,6 @@ let content = files.map(f => fs.readFileSync(f, "utf8")).join("");
 
 let lines = content.split("\n");
 
-// remove ONLY final empty line caused by trailing newline
 if (lines[lines.length - 1] === "") {
   lines.pop();
 }
@@ -38,5 +37,4 @@ if (showN) {
   output = lines;
 }
 
-// IMPORTANT: add final newline like real cat
 process.stdout.write(output.join("\n") + "\n");

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,6 @@ let content = files.map(f => fs.readFileSync(f, "utf8")).join("");`
`11`	`11`
`12`	`12`	`let lines = content.split("\n");`
`13`	`13`
`14`		`-// remove ONLY final empty line caused by trailing newline`
`15`	`14`	`if (lines[lines.length - 1] === "") {`
`16`	`15`	`lines.pop();`
`17`	`16`	`}`
`@@ -38,5 +37,4 @@ if (showN) {`
`38`	`37`	`output = lines;`
`39`	`38`	`}`
`40`	`39`
`41`		`-// IMPORTANT: add final newline like real cat`
`42`	`40`	`process.stdout.write(output.join("\n") + "\n");`