perl- read search and replace string from the file
Dear all,
I have a number of files and each file has two sections separated by a blank line. At the top section, I have lines which describes the values of the alphabetical characters,
Now I want "s" should be replaced by 0.123 in last three lines, "d" by -2.33 etc. Number of alphabetical characters vary in each file and also the number of lines below the blank line may vary.
I am seeking for a perl program preferably, to automate text processing.
-regards and thanks,
satti
Hi All,
I have a file that I need to be able to find a pattern match on a line, search that line for a text pattern, and replace that text.
An example of 4 lines in my file is:
1. MatchText_randomNumberOfText moreData ReplaceMe moreData
2. MatchText_randomNumberOfText moreData moreData... (4 Replies)
I am very new to Perl. I am struggling so hard to search a date (such as 10/09/2009, 10-09-2009) from a text file and replace with a string (say DATE) using Perl. Please help me out. Thanks in advance.
Regds
Doren (4 Replies)
Hi
I am looking for a particular string in a file.If the string exists, then I want to replace another string with some other text.Once replaced, search for the same text after that character position in the file. :wall:
E.g: Actual File content:
Hello
Name: Nitin Raj
Welcome to Unix... (4 Replies)
I have file t1.log
Contents of t1.log file
Number of records processed:
Number of records rejected:
Error :
xyz ..........
abc ..........
aaa _]
start time :
end time :
Please let me know how i can remove the contents highlighted in red in the t1.log file.
Thanks
Sam (3 Replies)
Hi,
I am not a C programmer. The only C exposure I have is reading and completing the exercises from the C (ANSI C ) Programming Language book:o
At the moment, I am using the UNIX strings command to extract information for a binary file and grepping for a particular string and the value... (3 Replies)
Hi all, the value in the following file is just an example. It could be a different value/network addresses.
Here is my example of initial output in a file name net.txt
Initial Output, net.txt
The goal is to produce the following format which is to convert from CIDR to Netmask... (6 Replies)
Hi guys,
I have a text file named file1.txt that is formatted like this:
001 , ID , 20000
002 , Name , Brandon
003 , Phone_Number , 616-234-1999
004 , SSNumber , 234-23-234
005 , Model , Toyota
007 , Engine ,V8
008 , GPS , OFF
and I have file2.txt formatted like this:
... (2 Replies)
Hello Forum.
I have a file called abc.sed with the following commands;
s/1/one/g
s/2/two/g
...
I also have a second file called abc.dat and would like to substitute all occurrences of "1 with one", "2 with two", etc and create a new file called abc_new.dat
sed -f abc.sed abc.dat >... (10 Replies)
Hi Everyone,
I have a requirement in ksh where i have a set of files in a directory. I need to search each and every file if a particular string is present in the file, delete that line and replace that line with another string expression in the same file.
I am very new to unix. Kindly help... (10 Replies)
I have the below string which i need to compare with a file and replace this string in the file which matches closely. Can anyone help me on this.
string(Scenario 1)- user::r--,user::ourfrd:r--
String(Scenario 2)- user::r--
File
****
# file: /local/Desktop/myfile
# owner: me
# group:... (6 Replies)
Discussion started by: sarathy_a35
6 Replies
LEARN ABOUT LINUX
anacrontab
ANACRONTAB(5) Anacron Users' Manual ANACRONTAB(5)NAME
/etc/anacrontab - configuration file for anacron
DESCRIPTION
The file /etc/anacrontab describes the jobs controlled by anacron(8). Its lines can be of three kinds: job-description lines, environment
assignments, or empty lines.
Job-description lines are of one of these two forms:
period delay job-identifier command
@period_name delay job-identify command
The period is specified in days, the delay in minutes. The job-identifier can contain any non-blank character, except slashes. It is used
to identify the job in Anacron messages, and as the name for the job's timestamp file. The command can be any shell command. The fields
can be separated by blank spaces or tabs. The period_name can only be set to monthly at the present time. This will ensure jobs are only
run once a month, no matter the number of days in this month, or the previous month.
Environment assignment lines are of the form:
VAR = VALUE
Spaces around VAR are removed. No spaces around VALUE are allowed (unless you want them to be part of the value). The assignment takes
effect from the next line to the end of the file, or to the next assignment of the same variable.
Empty lines are either blank lines, line containing white-space only, or lines with white-space followed by a '#' followed by an arbitrary
comment.
You can continue a line onto the next line by ending it with a ''.
SEE ALSO anacron(8)
The Anacron README file.
AUTHOR
Itai Tzur <itzur@actcom.co.il>
Currently maintained by Pascal Hakim <pasc@(debian.org|redellipse.net)>.
Pascal Hakim 2004-07-11 ANACRONTAB(5)