Bash replacement to getchar Post: 302343557

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I wanted to make a simple program that writes chracters in a file but i didnt want to press enter .So i found the getchar which doesnt need enter.If i pass (int) getchar to putc ,in the file it shows a P character.The (int) getchar says it is equal to1734747216 so i do (int) getchar-1734747216...

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my filename.txt looks like this: 2079951061790 SCK0000891539000000000000021600R 2079951061790 SCK0000901487000000000000028900R 2079951061790 SCK0000903092000000000000021300R 2079951074758 ...

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What is the difference between printf and putchar() or scanf and getchar() ?

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Awk/bash one liner replacement for a if condition

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gtty

stty(2) 							System Calls Manual							   stty(2)

NAME

       stty(), gtty() - control terminal device (Bell Version 6 compatibility)

SYNOPSIS

   Remarks
       These system calls are preserved for backward compatibility with Bell Version 6.  They provide as close an approximation as possible to the
       old Version 6 functions.  All new code should use the and calls described in termio(7).

DESCRIPTION

       For certain status settings and status inquiries about terminal devices, the functions and are equivalent to

       and

       respectively (see ioctl(2) and termio(7).

RETURN VALUE

       and return the following values:

	      Successful completion.
	      Failure.
		     is set to indicate the error.

ERRORS

       If or fails, is set to one of the following values:

       [EBADF]	      is not a valid file descriptor.

       [EFAULT]       points to an invalid address.

WARNINGS

   Obsolescent Interfaces
       and are to be obsoleted at a future date.

SEE ALSO

       stty(1), exec(2), ioctl(2), sttyV6(7), termio(7), tty(7).

								  TO BE OBSOLETED							   stty(2)

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Discussion started by: primal

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Regarding Replacement

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Discussion started by: cprogdude