problem in arithmetic operations Post: 302106018

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

arithmetic problem

i am used to making scripts for hp-ux. but lately i tried to make some for solaris. the problem is that when i tried to execute it it gave me an error the "let: not found". why is that? how can i perform an arithmetic function in the solaris shell script? thanks :)

2. UNIX for Dummies Questions & Answers

problem in script involving month arithmetic

advance happy new year to all, i am having a script.The purpose of the scripts is as follows.If the current month is march,june,september or december ,inc_flg should be set to '1' otherwise inc_flg should be set to '2' month= date +"%m" if || || || ; then inc_flg = 1 else ...

3. Shell Programming and Scripting

Need help is manipulating a file with some arithmetic operations using bash script

Friends, I have a file with contents like: interface Serial0/4/0/0/1/1/1/1:0 encapsulation mfr multilink group 101 Now I need to manipulate the file in such a way that to all the numbers less than 163, 63 gets added and to all numbers greater than 163, 63 gets deducted.(The numbers...

4. Shell Programming and Scripting

Arithmetic operations in bash,ksh,sh

Guys, The below expression is valid in which shells (sh,ksh,bash,csh)? VAR1=2 VAR2=$(($VAR1 -2)) Thanks

5. Shell Programming and Scripting

Arithmetic Problem with shell script programming.

Hello everybody, I decided to take a Unix Introduction class and have never had experience with programming. Everything was fine until recently when the Prof. started shell scripting and he wants us to make a small script to add unlimited numbers from arguments and from standard input. I...

6. UNIX for Dummies Questions & Answers

arithmetic operations on 1 column of a file

Hi, I have a file with thousands of lines like this: Chr1 477515 . ACCCC ACCC 17.7 . INDEL;DP=17;AF1=1;CI95=0.5,1;DP4=0,1,0,3;MQ=32;PV4=1,0.036,1,1 Chr1 481987 . A AAAT 62 . INDEL;DP=11;AF1=1;CI95=0.5,1;DP4=0,0,1,3;MQ=41 I want to make a file with...

7. Shell Programming and Scripting

how to do arithmetic operations in one line command

I have a file like this product qty1 qty2 value cola 50 25 1 pepsi 100 75 2 muffin 25 30 0.5 would like to do the following operations with one line command 1) disply the line having "Qty1" greater than or equal to 50 2) display the line Qty1 - Qty2 ...

8. UNIX for Dummies Questions & Answers

Multiple arithmetic operations in a single line

hi, I want to do multiple arithmetic operations in a single line. I tried with the following line total_size=`expr ($total_size + $file_size) / 1024` this line is throwing me error. Im working on korn shell. Can i know how to do multiple arithmetic operations in a single line

9. Shell Programming and Scripting

Performing arithmetic operations on output of `wc -l`

Hi I want to perform arithmetic operations on output of `wc -l`. for example user046@sshell ~ $ ls -l total 0 where "total 0" will increase one line in wc -l filecount=`ls -l | wc -l` here $filecount will be 1 but is should be 0 how to get rid of it ?

10. Shell Programming and Scripting

Shell arithmetic : operations on decimal points

i am having a varialbe a , which is input to my file i want to multiply this input with value .43, and assign it to variable b. i tried it as below: #!/bin/sh a=$1 b=`expr $1\*0.43` echo b=$b error : expr: non-integer argument Please tell me , how to do this. Thanks

LEARN ABOUT PHP

posix_setuid

POSIX_SETUID(3) 							 1							   POSIX_SETUID(3)

posix_setuid - Set the UID of the current process

SYNOPSIS

       bool posix_setuid (int  $uid)

DESCRIPTION

	Set  the real user ID of the current process. This is a privileged function that needs appropriate privileges (usually root) on the system
       to be able to perform this function.

PARAMETERS

	      o $uid
		- The user id.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      posix_setuid(3) example

	      This example will show the current user id and then set it to a different value.

	      <?php
	      echo posix_getuid()."
"; //10001
	      echo posix_geteuid()."
"; //10001
	      posix_setuid(10000);
	      echo posix_getuid()."
"; //10000
	      echo posix_geteuid()."
"; //10000
	      ?>

SEE ALSO

       posix_setgid(3), posix_seteuid(3), posix_getuid(3), posix_geteuid(3).

PHP Documentation Group 													   POSIX_SETUID(3)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

arithmetic problem

Discussion started by: inquirer

2. UNIX for Dummies Questions & Answers

problem in script involving month arithmetic

Discussion started by: rajarp

3. Shell Programming and Scripting

Need help is manipulating a file with some arithmetic operations using bash script

Discussion started by: shrijith1

4. Shell Programming and Scripting

Arithmetic operations in bash,ksh,sh

Discussion started by: rprajendran