I have lines in a file that look like this:
machine: machinea
machine: machineb
machine: randomwhatevermachine
I want to replace the machine lines with:
machine: machinec
I tried
perl -pi -e "s/#machine:\?*/machine: machinec/" filename
But this ended up doing this:
... (2 Replies)
I've been working on this all night and finally have to ask for help... and not just from my coffee pot.
I need to replace a line of text only when it is proceeded by a line containing only the letter "H"
Input:
H -2.204711 -0.922090 -0.024814
P
6-311+G(d)
****
C
6-311+G(d)... (7 Replies)
Hi friends,
I want to substitute "a ='....'," with ":" in everywhere in a string using Perl.
Details:
----------
my $str= " c1='fgfasfgasggfgff.,akhkhahha', c2='bbbn', c3='hg5 sh' ";
Required o/p: $str= " c1:c2:c3 "
I tried as below:
$str=~ s/=\'.*\',/:/g ;
print "str=... (14 Replies)
Hi,
I have a template file and want to replace 3 parameters to the values that I want. these values are in a parameter file.
Any idea how to do this in perl?
the parameter file looks like:
host_name = jupiter
PORT = 1562
IPADDRESS = 10.1.34.10
the template file has lots of entry.... (1 Reply)
Hello all
I have a strings like
" Watch news 24x7 "."x-wars is glowing"
" Watch news like 24 x 7"."x-mas will be celebrated"
" Dimensions of box is 24x23x47 ".
I have to remove the x(by) in between the number. If i just replace x, it will also remove all x's from text which i do not want.... (1 Reply)
I have a large text csv file that I'm working with. It will look something like this:
D,",E",C
O,"F,",I
O,gh,R
The second column always has a two digit random code (can be numbers, letters or any characters). When one of the characters happens to be a comma, the string is quoted. I want to... (5 Replies)
Hi,
I'm new to Perl, and I want to change a few columns in a file in order to insert them into a database.
The input file looks like this:
00001,"01/1234567" ,"Tst2"
00002,"01/4545646" ,"Tst123456"
00003,"01/8979898" ,""
The output should look like this:
01-1234567,00001... (2 Replies)
hi Geeks,
my input file contains data like =>
53 - Deewana Kar Raha Hai.mp3
54 - Hale Dil.mp3
55 - Ishq Sufiyana.mp3
56 - Abhi Kuch Dino Se.mp3
57 - Pee Loon Hoto Ki Sargam.mp3
I had used sed command to remove the prefix from the file name like
sed 's/^\
it gives me the perfect... (4 Replies)
Hi,
With the following Perl syntax, how to print the $_ value after the substitution?
s/(\s*|\n)//g foreach (<>);
If I use the below code, it produces some numeric output print s/(\s*|\n)//g foreach (<>); (2 Replies)
OSX
I have been grinding my teeth on a portion of code. I am building a bash script that edits a html email template. In the template, I have place holders for SED (or whatever program is appropriate) to use as anchors for find and replace, with user defined corresponding html code. The HTML code... (3 Replies)
Discussion started by: sudo
3 Replies
LEARN ABOUT PHP
hash_hmac_file
HASH_HMAC_FILE(3) 1 HASH_HMAC_FILE(3)hash_hmac_file - Generate a keyed hash value using the HMAC method and the contents of a given fileSYNOPSIS
string hash_hmac_file (string $algo, string $filename, string $key, [bool $raw_output = false])
DESCRIPTION PARAMETERS
o $algo
- Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..) See hash_algos(3) for a list of supported algo-
rithms.
o $filename
- URL describing location of file to be hashed; Supports fopen wrappers.
o $key
- Shared secret key used for generating the HMAC variant of the message digest.
o $raw_output
- When set to TRUE, outputs raw binary data. FALSE outputs lowercase hexits.
RETURN VALUES
Returns a string containing the calculated message digest as lowercase hexits unless $raw_output is set to true in which case the raw
binary representation of the message digest is returned.
EXAMPLES
Example #1
hash_hmac_file(3) example
<?php
/* Create a file to calculate hash of */
file_put_contents('example.txt', 'The quick brown fox jumped over the lazy dog.');
echo hash_hmac_file('md5', 'example.txt', 'secret');
?>
The above example will output:
7eb2b5c37443418fc77c136dd20e859c
SEE ALSO hash_algos(3), hash_hmac(3), hash_file(3).
PHP Documentation Group HASH_HMAC_FILE(3)