OPERATOR(7) Linux Programmer's Manual OPERATOR(7)NAME
operator - C operator precedence and order of evaluation
DESCRIPTION
This manual page lists C operators and their precedence in evaluation.
Operator Associativity
() [] -> . left to right
! ~ ++ -- + - (type) * & sizeof right to left
* / % left to right
+ - left to right
<< >> left to right
< <= > >= left to right
== != left to right
& left to right
^ left to right
| left to right
&& left to right
|| left to right
?: right to left
= += -= *= /= %= <<= >>= &= ^= |= right to left
, left to right
Linux 2011-09-09 OPERATOR(7)
Check Out this Related Man Page
OPERATOR(7) Linux Programmer's Manual OPERATOR(7)NAME
operator - C operator precedence and order of evaluation
DESCRIPTION
This manual page lists C operators and their precedence in evaluation.
Operator Associativity
() [] -> . left to right
! ~ ++ -- + - (type) * & sizeof right to left
* / % left to right
+ - left to right
<< >> left to right
< <= > >= left to right
== != left to right
& left to right
^ left to right
| left to right
&& left to right
|| left to right
?: right to left
= += -= *= /= %= <<= >>= &= ^= |= right to left
, left to right
COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the
latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
Linux 2011-09-09 OPERATOR(7)
Gurus,
I am teaching myself C and have a question.
I wrote a small prog that reads characters as entered at the prompt and checks the value for EOF.
Unless I am 100% wrong, the value will be '1' until getchar() has anything to read in my stream.
/* PROG 1 */
#include <stdio.h>
... (4 Replies)
#!/usr/bin/perl
open(STDOUT, ">>$Textfile")
open(STDERR, ">>$Textfile")
print "program running\n";
$final = join("+", $initial,$final) #5
close (STDOUT);
close (STDERR);Hi all, above is my perl code. Notice i have captured the stdout and stderr to the same textfile. my code is expected to... (1 Reply)
Hi,
I am re-writing a script I wrote which emulated the "rm" command, in my orginal script I had problems with precedence, I did find a way round it by creating a seperate case statements which checked the options and performed the actions accordingly, does anyone know if I can use getopts... (1 Reply)
Hi All,
I have created a common makefile that compiles both pc and c files.
i have created the dependency between the files as
.pc.o:
-----------
.c.o:
-----------
I will be deleting the .c files created from the .pc files, once the object file is created. ( better storage... (7 Replies)
Hello,
I am trying to write a small acript to change directory to $HOME depending on the user logged in. However when i provide this command
say,
ABC_USER=myself
cd ~${ABC_USER} i am getting the following error,
ksh: ~myself: not found
I know i am doing something really silly but... (4 Replies)
Hi All,
I am new to unix.
In this forum some days back, I have read something like below:
1) Do not use perl if awk can do your work.
2) Do not use awk if sed can do your work.
.
.
.
I do not re-collect the whole thing. I think it is good to know the precedence of using these... (2 Replies)
Hello,
The problem I met is the conflict between the default command /usr/bin/sometools, which is an very old version at system setup, and an updated one I have installed in $HOME/download-software/sometools
How do I tell a third program to use the customized sometools instead of the default... (6 Replies)
Hi,
I am new to shell scripting, but doing my best to learn things. Today doing courses there was exercise like this:
#!/usr/bin/bash
a=$1
b=$2
if ]
then
echo "Conditions are met"
else
echo "Conditions are not met"
fi
I improved it a little, beacuse of curiosity :D to this:
... (8 Replies)