I have a problem that I want to insert and delete some chars in the middle of a file. fopen() and fdopen() just allow to append at the end.
Is there any simple method or existing library that allow these actions? Thanks in advance.:confused: (7 Replies)
Hi,
How to strip a portion of a file name from behind...Say for Eg..i have a file name like aaaaa.bbbbb.Mar-17-2007
i want to remove .Mar-17-2007...is there a one line command which can give this output...
Thanks
Kumar (5 Replies)
Hi there, if i have some strings ie
test_324423
test_242332
test_767667
but I only want the number part (the bolded bit) how do I strip the leftmost 5 characters from the output so that i will have just
324423
242332
767667
any help would be greatly appreciated
Gary (5 Replies)
Hi ,
i have to strip the spaces in the string which has the following value
ABC DEF
i want this to appear like this
ABC DEF
is there any spilt method?
please help....
Thanks (3 Replies)
I want to create a temp file which is named based on a search string. The search string may contain spaces or characters that aren't supposed to be used in filenames so I want to strip those out.
My thought was to use 'tr' with but the result is the opposite of what I want:
$ echo "test... (5 Replies)
I tried to replace the following in vi:
old: 'e/thesis/pp/zones/zones'
new: 'd/so162/fix/pp'
For that, I used: :%s/e/thesis/pp/zones/zones/d/so162/fix/pp/g
but doesn't work, a trailing character error message appeared. How can I get it?
Thanks in advance (3 Replies)
I'm using a shell script to get user input with this command:
read UserInput
I would then like to take the "UserInput" variable and strip out all of the following characters, regardless of where they appear in the variable or how many occurrences there are:
\/":|<>+=;,?*@
I'm not sure... (5 Replies)
i want to parse a string and only display the digits in that string... How would i accomplish this with sed command.
For example.
input string: " 033434343 dafasdf"
output string: 03343434
Thanks (2 Replies)
Dear experts,
my problem is pretty tricky.
I want to change a file (see attached input.txt), according to another file (help.txt). The output that is desired is in output.txt. The example is attached.
Note that
-dashes should not be treated specially, they are considered normal characters,... (2 Replies)
I wrote myself a small little shell script to clean up a file I have issues with. In particular, I am stripping down a fully qualified host/domain name to just the hostname itself. The script works, but from a performance standpoint, it's not very fast and I will be working with large data sets.
... (4 Replies)
Discussion started by: dagamier
4 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)