the same bash script in command line doesn't work when run from a file

Question

I am trying to lean Bash scripting from cygwin. When i manually type the following lines in command prompt, everything works and I see that the number from 1 to 10 are printed o

Answer 1

Another possible solution using unix text editor vi:

open file in vi edit with vi filename.sh command;

type in vi :set ff=unix command;

save file with :wq

It will save the file with unix line endings.

Answer 2

I am getting the same error in Notepad++. From this post, I changed Edit --> EOF Convertion, selected Unix/OSX Format, fixed this issue.

Answer 3

The \r is a hint. Your file probably has CRLF (\r\n) line endings, which the bash interpreter does not handle gracefully. Change your editor settings to use Unix-style (\n) line endings, or run /usr/bin/dos2unix <file> on your file to reset the line endings.