05-03-2002
bc command, if you have it...
There is a bc command. Use *, /, +, - for mult, division, add, subtract. It works with variables.
Try this.
echo 2*3 | bc > total.out
Assign variables...
sum1=4
sum2=2
echo $sum1*$sum2 | bc > var1
echo $sum1/$sum2 | bc > var2
echo $sum2-$sum1 | bc > var3
Hope this helps!!
10 More Discussions You Might Find Interesting
1. Solaris
hi
I need to add environment variables for all users and make them available when they login.
I don't know which file to edit. Also these variables should be displayed when "env" command is executed.
Please help....which file is common for all users, without editing their specific .profile or... (2 Replies)
Discussion started by: ashish_uiit
2 Replies
2. Programming
Hello everybody,
I am having problem in converting byte array variables to Hexa String variables for Linux. I have done, converting byte array variables to Hexa String variables for Windows but same function doesn't work for linux. Is there any difference in OS ? The code for Windows is given... (2 Replies)
Discussion started by: ritesh_163
2 Replies
3. Shell Programming and Scripting
Hello, Im writing a script that works by recursively going into directories with find. But I have some directories that have spaces in them.. so I need to parse the variables to add a backslash before the spaces.
Im not exactly sure how how to do this in bash, and honestly I dont think I know... (3 Replies)
Discussion started by: trey85stang
3 Replies
4. Shell Programming and Scripting
Hi Eveyone,
I am working on one shell script to find the specific records from data file and add the totals into variables and print them. you can find the sample data file below for more clarification.
Sample Data File:
PXSTYL00__20090803USA
CHCART00__20090803IND... (7 Replies)
Discussion started by: veeru
7 Replies
5. Shell Programming and Scripting
Hi All,
I have a file, let's call it "info.tmp" that contains data like this ..
ABC123456
PCX333445
BCD789833
I need to read "info.tmp" and for each line add strings in a way that the final output is
put /logs/ua/dummy.trigger 'AAA00001.FTP.XXX.BLA03A01.xxxxxx(+1)'
where XXX... (5 Replies)
Discussion started by: Andy_ARG
5 Replies
6. Shell Programming and Scripting
Dear all, today I'm scratching my head with a simple (I believe) issue.
Working with date is quite simple, so if I Need to add some seconds to current time, I'll use:
date --date='+30 seconds' +"%Y-%m-%d %H:%M:%S"But, how to pass the value to add from a variable? I tried the following without... (2 Replies)
Discussion started by: Lord Spectre
2 Replies
7. Shell Programming and Scripting
Hi All,
i have a requirement where i have to run a script with at least 25 arguements and position of arguements can also change. the unapropriate way is like below. can we achieve this in more good and precise way??
#!/bin/ksh
##script is sample.ksh
age=$1
gender=$2
class=$3
.
.
.... (3 Replies)
Discussion started by: Lakshman_Gupta
3 Replies
8. Shell Programming and Scripting
Sometimes it is handy to protect long scripts in C++.
The following syntax works fine for simple commands:
#define SHELLSCRIPT1 "\
#/bin/bash \n\
echo \"hello\" \n\
"
int main ()
{
cout <<system(SHELLSCRIPT1);
return 0;
}
Unfortunately for there are problems for:
1d arrays:... (10 Replies)
Discussion started by: frad
10 Replies
9. Shell Programming and Scripting
Trying to do so
echo "111:222:333" |awk -F: '{system("export TESTO=" $2)}'But it doesn't work (2 Replies)
Discussion started by: urello
2 Replies
10. UNIX for Dummies Questions & Answers
Below are three variables, which I want to pass into variable RESULT1
username1=userid
poihostname1=dellsys.com
port1=8080
How can I pass these variables into below code...
RESULT1=$((ssh -n username1@poihostname1 time /usr/sfw/bin/wget --user=sam --password=123 -O /dev/null -q... (4 Replies)
Discussion started by: manohar2013
4 Replies
LEARN ABOUT PHP
parse_str
PARSE_STR(3) 1 PARSE_STR(3)
parse_str - Parses the string into variables
SYNOPSIS
void parse_str (string $str, [array &$arr])
DESCRIPTION
Parses $str as if it were the query string passed via a URL and sets variables in the current scope.
Note
To get the current QUERY_STRING, you may use the variable $_SERVER['QUERY_STRING']. Also, you may want to read the section on vari-
ables from external sources.
Note
The magic_quotes_gpc setting affects the output of this function, as parse_str(3) uses the same mechanism that PHP uses to populate
the $_GET, $_POST, etc. variables.
PARAMETERS
o $str
- The input string.
o $arr
- If the second parameter $arr is present, variables are stored in this variable as array elements instead.
RETURN VALUES
No value is returned.
EXAMPLES
Example #1
Using parse_str(3)
<?php
$str = "first=value&arr[]=foo+bar&arr[]=baz";
parse_str($str);
echo $first; // value
echo $arr[0]; // foo bar
echo $arr[1]; // baz
parse_str($str, $output);
echo $output['first']; // value
echo $output['arr'][0]; // foo bar
echo $output['arr'][1]; // baz
?>
SEE ALSO
parse_url(3), pathinfo(3), http_build_query(3), get_magic_quotes_gpc(3), urldecode(3).
PHP Documentation Group PARSE_STR(3)