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Top Forums Shell Programming and Scripting How to understand special character for line reading in bash shell? Post 303039067 by duke0001 on Saturday 21st of September 2019 05:17:39 PM
Old 09-21-2019
RudiC, Scrutinizer:

Thanks a lot to both of you. The explanation is clear and make me better understanding on these special characters. I will learn more.
 

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explain_putchar_or_die(3)				     Library Functions Manual					 explain_putchar_or_die(3)

NAME
explain_putchar_or_die - output of characters and report errors SYNOPSIS
#include <libexplain/putchar.h> void explain_putchar_or_die(int c); DESCRIPTION
The explain_putchar_or_die function is used to call the putchar(3) system call. On failure an explanation will be printed to stderr, obtained from explain_putchar(3), and then the process terminates by calling exit(EXIT_FAILURE). This function is intended to be used in a fashion similar to the following example: explain_putchar_or_die(c); c The c, exactly as to be passed to the putchar(3) system call. Returns: This function only returns on success. On failure, prints an explanation and exits. SEE ALSO
putchar(3) output of characters explain_putchar(3) explain putchar(3) errors exit(2) terminate the calling process COPYRIGHT
libexplain version 0.52 Copyright (C) 2008 Peter Miller explain_putchar_or_die(3)
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