bash - Reading input files by line using read command in shell scripting - Stack Overflow

bash - Reading input files by line using read command in shell scripting - Stack Overflow

read reads until it finds a newline character or the end of file, and returns a non-zero exit code if it encounters an end-of-file. So it's quite possible for it to both read a line and return a non-zero exit code.

Consequently, the following code is not safe if the input might not be terminated by a newline:

while read LINE; do    # do something with LINE  done

because the body of the while won't be executed on the last line.

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