ls-grep used to output 7 files inside sample-files which starts with upper case but don't contain any other upper case letter in its name

HassanOHOsman · HassanOHOsman · commit 68a1b4948264 · 2025-11-13T13:50:05.000Z
diff --git a/shell-pipelines/ls-grep/script-03.sh b/shell-pipelines/ls-grep/script-03.sh
@@ -4,3 +4,4 @@ set -euo pipefail
 
 # TODO: Write a command to output the names of the files in the sample-files directory whose name starts with an upper case letter and doesn't contain any other upper case letters.
 # Your output should contain 7 files.
+ls sample-files | grep '^[A-Z][^A-Z]*$'

Original file line number	Diff line number	Diff line change
`@@ -4,3 +4,4 @@ set -euo pipefail`
`4`	`4`
`5`	`5`	`# TODO: Write a command to output the names of the files in the sample-files directory whose name starts with an upper case letter and doesn't contain any other upper case letters.`
`6`	`6`	`# Your output should contain 7 files.`
	`7`	`+ls sample-files \| grep '^[A-Z][^A-Z]*$'`