11-13-2008
Read a string with leading spaces and find the length of the string
HI
In my script, i am reading the input from the user and want to find the length of the string.
The input may contain leading spaces. Right now, when leading spaces are there, they are not counted.
Kindly help me
My script is like below. I am using the ksh.
#!/usr/bin/ksh
echo "enter your value"
read "A"
len=echo ${#A}
echo "length of the string you entered is $len"
output:
enter your value
asdf
length of the string you entered is 4
NOte: I have entered 8 char (4 spaces + 4 char)
Kindly help me
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STR_PAD(3) 1 STR_PAD(3)
str_pad - Pad a string to a certain length with another string
SYNOPSIS
string str_pad (string $input, int $pad_length, [string $pad_string = " "], [int $pad_type = STR_PAD_RIGHT])
DESCRIPTION
This functions returns the $input string padded on the left, the right, or both sides to the specified padding length. If the optional
argument $pad_string is not supplied, the $input is padded with spaces, otherwise it is padded with characters from $pad_string up to the
limit.
PARAMETERS
o $input
- The input string.
o $pad_length
- If the value of $pad_length is negative, less than, or equal to the length of the input string, no padding takes place.
o $pad_string
-
Note
The $pad_string may be truncated if the required number of padding characters can't be evenly divided by the $pad_string's
length.
o $pad_type
- Optional argument $pad_type can be STR_PAD_RIGHT, STR_PAD_LEFT, or STR_PAD_BOTH. If $pad_type is not specified it is assumed to
be STR_PAD_RIGHT.
RETURN VALUES
Returns the padded string.
EXAMPLES
Example #1
str_pad(3) example
<?php
$input = "Alien";
echo str_pad($input, 10); // produces "Alien "
echo str_pad($input, 10, "-=", STR_PAD_LEFT); // produces "-=-=-Alien"
echo str_pad($input, 10, "_", STR_PAD_BOTH); // produces "__Alien___"
echo str_pad($input, 6 , "___"); // produces "Alien_"
?>
PHP Documentation Group STR_PAD(3)