I need to add Pipe (|) at 5th and 18th position of all records a file. How can I do this?
I tried to add it at 5th position using the below code. It didnt work. Please help!!!
Hi, guys. I have one question:
How can I search for a line with certain string in it and then insert a string into this line?
For example:
There is a file called shadow, the contents of it are below:
**************************
...
yuanz:VIRADxMsadfDF/Q:0:0:50:7:::... (9 Replies)
I am trying to use sed to replace specific characters at a specific position in the file with a different value... can this be done?
Example:
File:
A0199999123
A0199999124
A0199999125
Need to replace 99999 in positions 3-7 with 88888.
Any help is appreciated. (5 Replies)
I want to insert space in 7th position of all the lines usign vi editor or sed command
Input file
12345689010
abcdefghijk
.
.
Output file
123456 89010
abcdef ghijk
.
. (7 Replies)
Hi ,
I have a file which has line similar to below
13123324234234234234234234234234234
3454546456dfhgfhgh454645654asdasfsdsddfgdgdfg
345345345mnmnbmnb346mnb4565464564564645645
Not for each line for specific position I need to insert some '|'
Positions are fixed. Like 3,5,9,11
So the... (5 Replies)
Hi, im still new in unix.
i want to ask how to delete character on specific position in line, lets say i want to remove 5 character from position 1000, so characters from position 1000-1005 will be deleted.
i found this sed command can delete 4 characters from position 10, but i dont know if... (7 Replies)
Hi All,
I am trying to write a shell script where it should insert character 'I' in 180th position of each line(except first and last line) of the file. Below is the script
for file in /home/test/bharat/*.RET
do
# Process file
echo "File Name=" $file
#l_fileName="${file##*/}"
... (19 Replies)
Discussion started by: bharath561989
19 Replies
9. Post Here to Contact Site Administrators and Moderators
In file, we have millions of records each of 1000 in length. And at specific position say 800 there is a space, we need to replace it with Character X if the ID in that row starts with 123.
So far i have used the below which is replacing space at that position to X but its not checking for... (3 Replies)
I will appreciate if you help me here in this script in Solaris Enviroment.
Scenario:
i have 2 files :
1) /tmp/TRANSACTIONS_DAILY_20180730.txt:
201807300000000004
201807300000000005
201807300000000006
201807300000000007
201807300000000008
2)... (10 Replies)
Discussion started by: teokon90
10 Replies
LEARN ABOUT PHP
substr
SUBSTR(3) 1 SUBSTR(3)substr - Return part of a stringSYNOPSIS
string substr (string $string, int $start, [int $length])
DESCRIPTION
Returns the portion of $string specified by the $start and $length parameters.
PARAMETERS
o $string
- The input string. Must be one character or longer.
o $start
- If $start is non-negative, the returned string will start at the $start'th position in $string, counting from zero. For
instance, in the string ' abcdef', the character at position 0 is ' a', the character at position 2 is ' c', and so forth. If
$start is negative, the returned string will start at the $start'th character from the end of $string. If $string is less than or
equal to $start characters long, FALSE will be returned.
Example #1
Using a negative $start
<?php
$rest = substr("abcdef", -1); // returns "f"
$rest = substr("abcdef", -2); // returns "ef"
$rest = substr("abcdef", -3, 1); // returns "d"
?>
o $length
- If $length is given and is positive, the string returned will contain at most $length characters beginning from $start (depend-
ing on the length of $string). If $length is given and is negative, then that many characters will be omitted from the end of
$string (after the start position has been calculated when a $start is negative). If $start denotes the position of this trunca-
tion or beyond, false will be returned. If $length is given and is 0, FALSE or NULL, an empty string will be returned. If
$length is omitted, the substring starting from $start until the end of the string will be returned.
Example #2
Using a negative $length
<?php
$rest = substr("abcdef", 0, -1); // returns "abcde"
$rest = substr("abcdef", 2, -1); // returns "cde"
$rest = substr("abcdef", 4, -4); // returns false
$rest = substr("abcdef", -3, -1); // returns "de"
?>
RETURN VALUES
Returns the extracted part of $string; or FALSE on failure, or an empty string.
CHANGELOG
+--------------+---------------------------------------------------+
| Version | |
| | |
| | Description |
| | |
+--------------+---------------------------------------------------+
|5.2.2 - 5.2.6 | |
| | |
| | If the $start parameter indicates the position |
| | of a negative truncation or beyond, false is |
| | returned. Other versions get the string from |
| | start. |
| | |
+--------------+---------------------------------------------------+
EXAMPLES
Example #3
Basic substr(3) usage
<?php
echo substr('abcdef', 1); // bcdef
echo substr('abcdef', 1, 3); // bcd
echo substr('abcdef', 0, 4); // abcd
echo substr('abcdef', 0, 8); // abcdef
echo substr('abcdef', -1, 1); // f
// Accessing single characters in a string
// can also be achieved using "square brackets"
$string = 'abcdef';
echo $string[0]; // a
echo $string[3]; // d
echo $string[strlen($string)-1]; // f
?>
Example #4
substr(3) casting behaviour
<?php
class apple {
public function __toString() {
return "green";
}
}
echo "1) ".var_export(substr("pear", 0, 2), true).PHP_EOL;
echo "2) ".var_export(substr(54321, 0, 2), true).PHP_EOL;
echo "3) ".var_export(substr(new apple(), 0, 2), true).PHP_EOL;
echo "4) ".var_export(substr(true, 0, 1), true).PHP_EOL;
echo "5) ".var_export(substr(false, 0, 1), true).PHP_EOL;
echo "6) ".var_export(substr("", 0, 1), true).PHP_EOL;
echo "7) ".var_export(substr(1.2e3, 0, 4), true).PHP_EOL;
?>
The above example will output:
1) 'pe'
2) '54'
3) 'gr'
4) '1'
5) false
6) false
7) '1200'
ERRORS /EXCEPTIONS
Returns FALSE on error.
Example #5
<?php
var_dump(substr('a', 1)); // bool(false)
?>
SEE ALSO strrchr(3), substr_replace(3), preg_match(3), trim(3), mb_substr(3), wordwrap(3), String access and modification by character.
PHP Documentation Group SUBSTR(3)