Hi Friends,
well what i want to do is that suppose i have a file say like
....
ronaldduckdancecoolman
donaldmuckdancepooltactics
fonaldguckdancetoolbutcomps
....
okok i agree this is a ridiculous data for a file.
:-)
now i want that the characters in each line fromposition 16 to say 19... (6 Replies)
Hi Gurus,
I have a file say for ex. file1 which has 3500 lines in it which are different account numbers and another file (file2) which has 230000 lines in it. I want to read all the lines in file1 and delete all those lines from file2 which has that same pattern as in file1. I am not quite... (4 Replies)
This should be somewhat simple, but I need some help with this one.
I have a bunch of files with tags on the end like so...
Filename {tag1}.ext
Filename2 {tag1} {tag2}.ext
I want to hold in a variable just the filename with all the " {tag}" removed. The tag can be anything so I'm looking... (4 Replies)
Hi,
I am trying to extract some patterns from a line. The input file is space delimited and i could not use column to get value after "IN" or "OUT" patterns as there could be multiple white spaces before the next digits that i need to print in the output file . I need to print 3 patterns in a... (3 Replies)
Hi Bigshots,
I have a pattern file with two columns. I have another data file. If column 1 in the pattern file appears as the 4th column in the data file, I need to replace it (4th column of data file) with column 2 of the pattern file. If the pattern is found in any other column, it should not... (6 Replies)
Hi Team
I have the following text in one of the file
j1738-abc-system_id(in.value1)-2838 G566-deF-system_id(in.value2)-7489
I want to remove system_id(...) combination completely The output should look like this
j1738-abc-in.value1-2838 G566-deF-in.value2-7489
Any help is appreciated... (4 Replies)
Hello.
For a given folder, I want to select any files find $PATH1 -f \( -name "*" but omit any files like pattern name ! -iname "*.jpg" ! -iname "*.xsession*" ..... \) and also omit any subfolder like pattern name -type d \( -name "/etc/gconf/gconf.*" -o -name "*cache*" -o -name "*Cache*" -o... (2 Replies)
I'm facing a problem
1) I got a list_file intended to be used for inlace replacement like this
Replacement pattern ; Matching patterns
EXTRACT ___________________
toto ; tutu | tata | tonton | titi
bobo ; bibi | baba | bubu | bebe
etc. 14000 lines !!!
... (5 Replies)
I have a big xmltv file with many lines like:
<?xml version="1.0" encoding="UTF-8"?>
<tv>
<channel id="channel 1 +3HD">
<display-name lang="it">channel +3HD</display-name>
<icon src="http://mywebsite.com/dsgbnjfdc65657/channel +3HD.png" />
... (8 Replies)
I am able to grep multiple patterns which stored in a files. However, how could we replace the whole line with either the pattern or new string?
For example:
pattern_file: *Info in the () is not part of the pattern file. They are the intended name to replace the whole line after the pattern... (5 Replies)
Discussion started by: wxboo
5 Replies
LEARN ABOUT PHP
log1p
LOG1P(3) 1 LOG1P(3)log1p - Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zeroSYNOPSIS
float log1p (float $number)
DESCRIPTION log1p(3) returns log(1 + $number) computed in a way that is accurate even when the value of $number is close to zero. log(3) might only
return log(1) in this case due to lack of precision.
PARAMETERS
o $number
- The argument to process
RETURN VALUES
log(1 + $number)
CHANGELOG
+--------+--------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+--------------------------------------------------+
| 5.3.0 | |
| | |
| | This function is now available on all platforms |
| | |
+--------+--------------------------------------------------+
SEE ALSO expm1(3), log(3), log10(3).
PHP Documentation Group LOG1P(3)