Alright, I think I know what I am doing with sed(which probably means I don't). But I cant figure out how to replace just the first occurance of a string. I have tried sed, ed, and grep but can't seem to figure it out. If you have any suggestions I am open to anything! (3 Replies)
folks..
i need a simple one liner to extract data from between the (n)th and (n+1)th instance of a line in a 2 colum file.
eg....for n=3 i should get back
0 1
4 6
help would be much appreciated.
file blah.txt
##################
identifer line
0 3
0 3
identifer line
0 2
0... (5 Replies)
I have a record like the one given below.
010000306551~IN ~N~ |WINDWARD PK|Alpharetta|
If ~ is present more than instance in a line,then I need to delete those instances.
Any ideas?
I am working in Solaris (7 Replies)
test.txt is the dynamic file but some of combination are fix
like below are the lines
;wonder_off =
;wonder_off = disabled
wonder_off =
wonder_off = disabled
the test.txt can content them in any order
#cat test.xt
;wonder_off =
;wonder_off = disabled
wonder_off =
wonder_off =... (5 Replies)
Using Awk, how can I achieve the following?
I have set of record numbers, for which, I have to replace the nth field with some values, say spaces.
Eg:
Set of Records : 4,9,10,55,89,etc
I have to change the 8th field of all the above set of records to spaces (10 spaces).
Its a delimited... (1 Reply)
Hi,
I hope you can help me out please?
I need to replace from character 8-16 with AAAAAAAA and the rest should stay the same after character 16
gtwrhtrd11111111rjytwyejtyjejetjyetgeaEHT
wrehrhw22222222hytekutkyukrylryilruilrGEQTH
hrwjyety33333333gtrhwrjrgkreglqeriugn;RUGNEURGU
... (4 Replies)
I wanted to search for a string and replace it with other string from nth column of a file which is comma seperated which I am able to do with below
# For Comma seperated file without quotes
awk 'BEGIN{OFS=FS=","}$"'"$ColumnNo"'"=="'"$PPK"'"{$"'"$ColumnNo"'"="'"$NPK"'"}{print}' ${FileName} ... (5 Replies)
Hi,
Need help on replacing every second instance of delimeter.
Scenario:
var="Name1,Value1,Name2,Value2,Name3,Value3,Name4,Value"
I want every second "," to replace with "|"
I tried like below
echo $var| sed 's/,/|/2'
But, it's not working.
Expected output:
... (4 Replies)
Discussion started by: Sumanthsv
4 Replies
LEARN ABOUT PHP
defined
DEFINED(3) 1 DEFINED(3)defined - Checks whether a given named constant existsSYNOPSIS
bool defined (string $name)
DESCRIPTION
Checks whether the given constant exists and is defined.
Note
If you want to see if a variable exists, use isset(3) as defined(3) only applies to constants. If you want to see if a function
exists, use function_exists(3).
PARAMETERS
o $name
- The constant name.
RETURN VALUES
Returns TRUE if the named constant given by $name has been defined, FALSE otherwise.
EXAMPLES
Example #1
Checking Constants
<?php
/* Note the use of quotes, this is important. This example is checking
* if the string 'TEST' is the name of a constant named TEST */
if (defined('TEST')) {
echo TEST;
}
?>
SEE ALSO define(3), constant(3), get_defined_constants(3), function_exists(3), The section on Constants.
PHP Documentation Group DEFINED(3)