Hi...
I'm new here and i have a Q...
How do i get only the number from a string?
like from "rlvol11" i want to get 11
or from "lvol4" i want to get 4
what commands should i use at my script?
thanx 4 the help!
Eliraz. (13 Replies)
I writing my script and got stuck in this function. Can someone help me?
I need to extract out the numbers inside a string.
Ex:
INPUT -> OUTPUT
abcdef123 -> 123
abc123def -> 123
123abcdef -> 123
a123bc45d -> 123 45
abcdefghi -> -1
Thank you! (12 Replies)
Hi,
I need help to sort a file contents.
I am using sort -r option to basically reverse the comparison in descending order. However, i found out that my file is not sorted according, can anyone please help.
My data is something like:-
Hello world
20.982342864 343
19.234355545 222... (5 Replies)
Dear Unix Gurus,
I have a list of files that I want to loop over....for example:
sl40_z11.70.txt
sl41_z11.40.txt
sl42_z11.10.txt
sl43_z10.80.txt
using the script
#!/bin/sh
#
echo -n "....enter first Z-coordinate position....."; read zpos
q="scale=3; $zpos"
p=0.3
#... (7 Replies)
Hi Everyone,
I have:
$val="QQ3_1899_CD4".
The output will be:
1899.
I did $val =~ /(\d+)/g; the output is 318994, then i use substr to get those 1899. This is not efficient.
Is any simple way, like just one line can do? Thanks (1 Reply)
Hi,
I want to display the string value with number value. I dont know how to display. Can anyone help me.
This is my code
export A=${file_name}
echo $a $b $sum | awk '{ printf "%011.f,%014.f,%014.f\n", $1,$2,$3}' >> ${MRR_OUTPUT}
the out put shold be
${A}, $a, $b
filename,... (2 Replies)
Hello Everyone,
i have quick question.
I have file names like: bin_map300.asc and I would like to extract grid300.
My approach so far:
name=bin_map300.asc
echo ${name%%.*}
echo ${name##*_}
I am stuck combining the two.
Any help would be appreciated. (3 Replies)
Hi all,
I'm a new programmer to shell script... and I have no idea how to use substring.
I want to extract the numbers from the following string and place it into a variable:
"170 unique conformations found"
The numbers can be more than three digits depending on the case. I just want to... (10 Replies)
I am writing a bash script on ubuntu11.10
I have some string having numbers and letter and want to add all the numbers together
For example
1s2d23f
I want to perform
1 + 2 + 23 and store it in a variable (3 Replies)
Hi,
I am having contents in a file like below,
cat testfile
rpool/swap
rpool/swap14
rpool/swap2
rpool/swap3
I want to sort the above contents like,
rpool/swap
rpool/swap2
rpool/swap3
rpool/swap14
I have tried in this way, (7 Replies)
Discussion started by: Sumanthsv
7 Replies
LEARN ABOUT PHP
base_convert
BASE_CONVERT(3) 1 BASE_CONVERT(3)base_convert - Convert a number between arbitrary basesSYNOPSIS
string base_convert (string $number, int $frombase, int $tobase)
DESCRIPTION
Returns a string containing $number represented in base $tobase. The base in which $number is given is specified in $frombase. Both $from-
base and $tobase have to be between 2 and 36, inclusive. Digits in numbers with a base higher than 10 will be represented with the letters
a-z, with a meaning 10, b meaning 11 and z meaning 35.
Warning
base_convert(3) may lose precision on large numbers due to properties related to the internal "double" or "float" type used. Please
see the Floating point numbers section in the manual for more specific information and limitations.
PARAMETERS
o $number
- The number to convert
o $frombase
- The base $number is in
o $tobase
- The base to convert $number to
RETURN VALUES
$number converted to base $tobase
EXAMPLES
Example #1
base_convert(3) example
<?php
$hexadecimal = 'A37334';
echo base_convert($hexadecimal, 16, 2);
?>
The above example will output:
101000110111001100110100
SEE ALSO intval(3).
PHP Documentation Group BASE_CONVERT(3)