Task: Remove "\r" at the end of each line in "system/folder3/temp/temp1/text1.txt" and display the result as printable characters or backslash escapes
Command: cat /system/folder3/temp/temp1/text1.txt | sed 's/\r$//' | od -c
Equivalent command: cat system/folder3/temp/temp1/text1.txt | sed 's/\r$//' | od -c -An