Complete ls-grep file'

Author: Fatma Degirmenci

shell-pipelines/ls-grep/script-01.sh

@@ -3,4 +3,5 @@
 set -euo pipefail
 
 # TODO: Write a command to output the names of the files in the sample-files directory whose name contains at least one upper case letter.
+ls sample-files|grep '[A-Z]'
 # Your output should contain 11 files.

shell-pipelines/ls-grep/script-02.sh

@@ -3,4 +3,5 @@
 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.
+ls sample-files|grep '^[A-Z]'
 # Your output should contain 10 files.

shell-pipelines/ls-grep/script-03.sh

@@ -3,4 +3,6 @@
 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.
+ls sample-files |grep '^[A-Z][a-z]*$'
 # Your output should contain 7 files.
+

shell-pipelines/ls-grep/script-04.sh

@@ -3,4 +3,5 @@
 set -euo pipefail
 
 # TODO: Write a command to count the number of files in the sample-files directory whose name starts with an upper case letter and doesn't contain any other upper case letters.
+ls sample-files |grep '^[A-Z][a-z]*$'|wc -l
 # Your output should be the number 7.