Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: expr Field 1 + Field 2 Since when does 2 positives make a negative
Top Forums Shell Programming and Scripting expr Field 1 + Field 2 Since when does 2 positives make a negative Post 302409551 by rwuerth on Thursday 1st of April 2010 12:46:41 PM
Old 04-01-2010
Probably exceeding your INT_MAX in limits.h

A typical limit is 2147483647.
Your value would normally be 2148302046 which is greater
and hence you get the negative, since bits were truncated
from the most significant side of your result.

'bc' will give you the result you want, but you would have to
continue to use 'bc' to do anything useful with that result
other than report it.

Code:
 
field1=2100002
field2=2146202044
 
echo "$field1 + $field2" | bc
2148302046
 
result=$(echo "$field1 + $field2" | bc)
echo $result
2148302046

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

using awk make an field as 5 digit and display

using awk convert 3 rd fileld of file as 5 digit and then display changed file. like 1 2 23445 3452 3343 3 5 6 6 ================ o/p:- 1 2 23445 3452 03343 3 5 00006 6 (1 Reply)
Discussion started by: RahulJoshi
1 Replies

2. Shell Programming and Scripting

Sort alpha on 1st field, numerical on 2nd field (sci notation)

I want to sort alphabetically on the first field and sort in descending numerical order on the 2nd field. With a normal "sort -r -n" it does this: abc ||| 5e-05 ||| bla abc ||| 3 ||| ble def ||| 1 ||| abc def ||| 0.2 ||| def As you can see it ignores the fact that 5e-05 is actually 0.00005... (1 Reply)
Discussion started by: FrancoisCN
1 Replies

3. Shell Programming and Scripting

How to select or make reference to, part of a field

For a field format such as AAL1001_MD82, how do I select(and use in if statement) only the last four elements( in this case MD82) or the first three elements (in this case AAL)? For instance, how do I do the following - if first three elements of $x == yyy, then ... (5 Replies)
Discussion started by: akshaykr2
5 Replies

4. Shell Programming and Scripting

awk, comma as field separator and text inside double quotes as a field.

Hi, all I need to get fields in a line that are separated by commas, some of the fields are enclosed with double quotes, and they are supposed to be treated as a single field even if there are commas inside the quotes. sample input: for this line, 5 fields are supposed to be extracted, they... (8 Replies)
Discussion started by: kevintse
8 Replies

5. Shell Programming and Scripting

AWK: Pattern match between 2 files, then compare a field in file1 as > or < field in file2

First, thanks for the help in previous posts... couldn't have gotten where I am now without it! So here is what I have, I use AWK to match $1 and $2 as 1 string in file1 to $1 and $2 as 1 string in file2. Now I'm wondering if I can extend this AWK command to incorporate the following: If $1... (4 Replies)
Discussion started by: right_coaster
4 Replies

6. Shell Programming and Scripting

Make a new field with a word on it

i have a file contains as below: : 12 32 qw 21 44 qq ### 11 90 er 88 23 sa ### i want to add new field with constant string "madd" between 2nd field and 3rd field of each record, so the desired output will be: : 12 32 madda qw 21 44 madda qq ### 11 90 madda er 88 23 madda sa ### (10 Replies)
Discussion started by: oreka18
10 Replies

7. Linux

How do I format a Date field of a .CSV file with multiple commas in a string field?

I have a .CSV file (file.csv) whose data are all enclosed in double quotes. Sample format of the file is as below: column1,column2,column3,column4,column5,column6, column7, Column8, Column9, Column10 "12","B000QRIGJ4","4432","string with quotes, and with a comma, and colon: in... (3 Replies)
Discussion started by: dhruuv369
3 Replies

8. Shell Programming and Scripting

Command/script to match a field and print the next field of each line in a file.

Hello, I have a text file in the below format: Source Destination State Lag Status CQA02W2K12pl:D:\CAQA ... (10 Replies)
Discussion started by: pocodot
10 Replies

9. Shell Programming and Scripting

Display combination of 4 field uniqe record and along with concatenate 5th and 6th field.

Table ACN|NAME|CITY|CTY|NO1|NO2 115|AKKK|ASH|IND|10|15 115|AKKK|ASH|IND|20|20 115|AKKK|ASH|IND|30|35 115|AKKK|ASH|IND|30|35 112|ABC|FL|USA|15|15 112|ABC|FL|USA|25|20 112|ABC|FL|USA|25|45 i have written shell script using cut command and awk programming getting error correct it and add... (5 Replies)
Discussion started by: udhal
5 Replies

10. Shell Programming and Scripting

awk to adjust coordinates in field based on sequential numbers in another field

I am trying to output a tab-delimited result that uses the data from a tab-delimited file to combine and subtract specific lines. If $4 matches in each line then the first matching sequential $6 value is added to $2, unless the value is 1, then the original $2 is used (like in the case of line... (3 Replies)
Discussion started by: cmccabe
3 Replies

LEARN ABOUT OSX

mail::field::generic

Mail::Field::Generic(3) 				User Contributed Perl Documentation				   Mail::Field::Generic(3)

NAME

       Mail::Field::Generic - implementation for inspecific fields

INHERITANCE

	Mail::Field::Generic
	  is a Mail::Field

SYNOPSIS

	use Mail::Field;
	my $field = Mail::Field->new('Subject', 'some subject text');
	my $field = Mail::Field->new(subject => 'some subject text');

DESCRIPTION

       A generic implementation for header fields without own implementation. This is fine for fields like "Subject", "X-Mailer", etc., where the
       field holds only a string of no particular importance/format.

METHODS

   Constructors
       Mail::Field::Generic->combine(FIELDS)
	   See "Constructors" in Mail::Field

       Mail::Field::Generic->extract(TAG, HEAD [, INDEX ])
	   See "Constructors" in Mail::Field

       Mail::Field::Generic->new(TAG [, STRING | OPTIONS])
	   See "Constructors" in Mail::Field

   "Fake" constructors
       $obj->create(OPTIONS)
	    -Option--Default
	     Text    ''

	   Text => STRING
       $obj->parse([STRING])
	   Set the new text, which is empty when no STRING is provided.

   Accessors
       $obj->set(OPTIONS)
	   See "Accessors" in Mail::Field

       $obj->stringify()
	   See "Accessors" in Mail::Field

       $obj->tag()
       Mail::Field::Generic->tag()
	   See "Accessors" in Mail::Field

   Smart accessors
       $obj->text([STRING])
	   See "Smart accessors" in Mail::Field

DIAGNOSTICS

       Error: Undefined subroutine <method> called
	   Mail::Field objects use autoloading to compile new functionality.  Apparently, the mehod called is not implemented for the specific
	   class of the field object.

SEE ALSO

       This module is part of the MailTools distribution, http://perl.overmeer.net/mailtools/.

AUTHORS

       The MailTools bundle was developed by Graham Barr.  Later, Mark Overmeer took over maintenance without commitment to further development.

       Mail::Cap by Gisle Aas <aas@oslonett.no>.  Mail::Field::AddrList by Peter Orbaek <poe@cit.dk>.  Mail::Mailer and Mail::Send by Tim Bunce
       <Tim.Bunce@ig.co.uk>.  For other contributors see ChangeLog.

LICENSE

       Copyrights 1995-2000 Graham Barr <gbarr@pobox.com> and 2001-2007 Mark Overmeer <perl@overmeer.net>.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.  See
       http://www.perl.com/perl/misc/Artistic.html

perl v5.16.2							    2012-08-29						   Mail::Field::Generic(3)
All times are GMT -4. The time now is 03:24 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy