>>>>> "Binand" == Binand Raj S <[EMAIL PROTECTED]> writes:
Binand> A variety of programs that require a password refuse to read
Binand> the password from any device except terminals, usually
Binand> resulting in queries here like "I tried echo password | ssh -l
Binand> username somehost somecommand, in a script, but it didn't
Binand> work"
Even su doesn't work without a terminal.
Binand> The C code for this kind of check usually reads:
Binand> if (isatty (fileno (stdout))) {
Binand> printf ("STDOUT is a > terminal\n");
Binand> /* Rest */
Binand> } else {
Binand> printf ("STDOUT is not a terminal\n");
Binand> /* Rest */
Binand> }
Here's a code snippet from ls.c.
if (isatty (1)) {
format = many_per_line;
qmark_funny_chars = 1;
} else {
format = one_per_line;
qmark_funny_chars = 0;
}
Anoop
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