Hi Friends,
Following is an output of a script
OPWQERIUTYKLSADFJHGXZNMCVBWQOPERIUTYKLSADFJHGXZNMCVB
I want to replace above string's 11 to 17 character by ******* (7 stars)
How can it be done?
Please somebody guide me. (6 Replies)
This is the code:
while test 1 -eq 1
do
read a
$a
if test $a = stop
then
break
fi
done
I read a command on every loop an execute it.
I check if the string equals the word stop to end the loop,but it say that I gave too many arguments to test.
For example echo hello.
Now the... (1 Reply)
Hey,
I'm currently getting into some kernel module progamming. As a little exercise I want to read the headers out of an ELF file. My code is very simple, here is the important part:
struct file *fp;
/* ... */
fp = filp_open("some/file/on/my/pc", O_RDONLY, 0);
if(fp == NULL) {
... (15 Replies)
Hello, Unix-forums!
My problem:
read -p "Enter any number, please" number
sleep 1
echo $number | tr -d 0-9
test -z $number && echo "Thank you" || echo "This is not a number"Test always displays "This is not a number". It doesn't matter if I entered a or 1.
But if I order
echo... (2 Replies)
sed -e "s// /g" old.txt > new.txt
While I do know some control characters need to be escaped, can normal characters also be escaped and still work the same way? Basically I do not know all control characters that have a special meaning, for example, ?, ., % have a meaning and have to be escaped... (11 Replies)
I am trying to find a specific set of characters in a long file. I only want to find the characters in column 265 for 4 bytes.
Is there a search for that? I tried cut but couldn't get it to work.
Ex. I want to find '9999' in column 265 for 4 bytes. If it is in there, I want it to print... (12 Replies)
Hi all, I need help.
I have an input text file (input.txt) like this:
21 GTGCAACACCGTCTTGAGAGG 50
21 GACCGAGACAGAATGAAAATC 73
21 CGGGTCTGTAGTAGCAAACGC 108
21 CGAAAAATGAACCCCTTTATC 220
21 CGTGATCCTGTTGAAGGGTCG 259
Now I need to count A/T/G/C numbers at each character location in column... (2 Replies)
Good afternoon,
I am tearing hair out over this. It should be so simple. I have an if statement to evaluate whether or not replication is working. I am testing variables from mysql to see if they are both "Yes". I have put some echo statements in to see how far the code proceeds. It always... (6 Replies)
Hi,
I want to do caseless string comparision using test command
for eg: Ind_f="y"
test "$Ind_f" == "y|Y"
i tried , ** , nothing worked.
any thoughts on how to do case insensitive string comparison using test command without converting to any particular case using typeset or tr? (8 Replies)
Discussion started by: Kulasekar
8 Replies
LEARN ABOUT PHP
str_pad
STR_PAD(3) 1 STR_PAD(3)str_pad - Pad a string to a certain length with another stringSYNOPSIS
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)