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Shell Programming and Scripting
printf
Post 302160654 by mirusnet on Tuesday 22nd of January 2008 09:00:41 AM
01-22-2008
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can you take input from another command and do printf?
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88562848,21-JAN-08,2741079, -1188,-7433,TESTING
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Hi,
Could anyone explain me the logic behind the following program's output?
int main() {
printf("%d\n", printf("%d %d", 2, 2) & printf("%d %d", 2, 2));
printf("%d\n", printf("%d %d\n", 2, 2) & printf("%d %d\n", 2, 2));
}
Ans:
2 22 23
2 2
2 2
4 (2 Replies)
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LEARN ABOUT XFREE86
printf
PRINTF(1) User Commands PRINTF(1) NAME
printf - format and print data SYNOPSIS
printf FORMAT [ARGUMENT]... printf OPTION DESCRIPTION
Print ARGUMENT(s) according to FORMAT, or execute according to OPTION: --help display this help and exit --version output version information and exit FORMAT controls the output as in C printf. Interpreted sequences are: " double quote \ backslash a alert (BEL) backspace c produce no further output e escape f form feed new line carriage return horizontal tab v vertical tab NNN byte with octal value NNN (1 to 3 digits) xHH byte with hexadecimal value HH (1 to 2 digits) uHHHH Unicode (ISO/IEC 10646) character with hex value HHHH (4 digits) UHHHHHHHH Unicode character with hex value HHHHHHHH (8 digits) %% a single % %b ARGUMENT as a string with '' escapes interpreted, except that octal escapes are of the form or NNN %q ARGUMENT is printed in a format that can be reused as shell input, escaping non-printable characters with the proposed POSIX $'' syntax. and all C format specifications ending with one of diouxXfeEgGcs, with ARGUMENTs converted to proper type first. Variable widths are han- dled. NOTE: your shell may have its own version of printf, which usually supersedes the version described here. Please refer to your shell's documentation for details about the options it supports. AUTHOR
Written by David MacKenzie. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report printf translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
printf(3) Full documentation at: <http://www.gnu.org/software/coreutils/printf> or available locally via: info '(coreutils) printf invocation' GNU coreutils 8.28 January 2018 PRINTF(1)