hi i am trying to get digits inside brackes from file , whose structure is defined below
CREATE TABLE TELM
(SOC_NO CHAR (3) NOT NULL,
TXN_AMOUNT NUMBER (17,3)
SIGN_ON_TIME CHAR (8)
TELLER_APP_LIMIT NUMBER (17,3)
FIL01 ... (2 Replies)
Hello
I got the below one from in one of this forums
For Ex: Loading File System Networking in nature
now i need to extract the patterns between the words File and Networking :
i.e. sample output: System
cmd used : cat <file> | sed 's/.*File //' | sed 's/Closing.*$//'
Actually... (0 Replies)
Hi,
I got doubt in Pattern matching, could you tell me how the following differs in action ??
if ( $line1==/$line2/ )
if ( $line1=~/$line2/ )
if ( $line1=~m/$line2/)
What is the significance of '~' in matching.
Thanks in advance
CoolBhai (5 Replies)
Hello experts,
I have a file containing the following text(shortened here).
File Begin
----------
< # Billboard.d3fc1302a677.imagePath=S:\\efcm_T4
< Billboard.d3fc1302a677.imagePath=S:\\efcm_T4
---
> # Billboard.d3fc1302a677.imagePath=S:\\efcm_Cassini
>... (2 Replies)
Hi experts,
I have many occurances of the following headers in a file. I need to grep for the word changed/inserted in the header, calculate the difference between the two numbers and list the count incrementally.
Headers in a file look like this:
-------------------
---------------------... (6 Replies)
I am doing a file patterhn matching for a text file in PERL
I am using this,,, but it says that no file is found
$filepattern = '\d{1,4}.*A0NW9693.NDM.HBIDT.*.AD34XADJ.txt';
Can anyone help me out with Perl Pattern Matching concepts and how to do pattern matching for this txt file:... (4 Replies)
I have a 2 files in .gz format and it consists of 5 million lines the format of the file would be
gzcat file1.gz | more
abcde
aerere
ffgh56
..
..
12345
gzcat file2.gz | more
abcde , 12345 , 67890,
ffgh56 , 45623 ,12334
whatever the string is in the file1 should be matched... (3 Replies)
My log file looks as given below, its actually a huge file around 1 GB and these are some of the line:
conn=5368758 op=10628050 msgId=64 - RESULT err=0 tag=101 nentries=1 etime=0
conn=7462122 op=-1 msgId=-1 - fd=247 slot=247 LDAPS connection from 10.13.18.12:37645 to 10.18.6.45
conn=7462122... (5 Replies)
Hi,
I have a list of IP, eg :
192.168.0.15
192.168.0.24
192.168.2.110
192.168.2.200
And I would like the shortest pattern who match with '192.168.0' and '192.168.2' (without the last dot and number). (7 Replies)
I am using Perl version 5.8.4 and trying to understand the use of regular expression. Following is my code and output.
$string = "Perl is a\nScripting language";
($start) = ($string =~ /\A(.*?) /);
@lines = ($string =~ /^(.*?) /gm);
print "First Word (using \\A): $start\n","Line... (4 Replies)
Discussion started by: jnrohit2k
4 Replies
LEARN ABOUT OSX
filecache
FileCache(3pm) Perl Programmers Reference Guide FileCache(3pm)NAME
FileCache - keep more files open than the system permits
SYNOPSIS
no strict 'refs';
use FileCache;
# or
use FileCache maxopen => 16;
cacheout $mode, $path;
# or
cacheout $path;
print $path @data;
$fh = cacheout $mode, $path;
# or
$fh = cacheout $path;
print $fh @data;
DESCRIPTION
The "cacheout" function will make sure that there's a filehandle open for reading or writing available as the pathname you give it. It
automatically closes and re-opens files if you exceed your system's maximum number of file descriptors, or the suggested maximum maxopen.
cacheout EXPR
The 1-argument form of cacheout will open a file for writing ('>') on it's first use, and appending ('>>') thereafter.
Returns EXPR on success for convenience. You may neglect the return value and manipulate EXPR as the filehandle directly if you prefer.
cacheout MODE, EXPR
The 2-argument form of cacheout will use the supplied mode for the initial and subsequent openings. Most valid modes for 3-argument
"open" are supported namely; '>', '+>', '<', '<+', '>>', '|-' and '-|'
To pass supplemental arguments to a program opened with '|-' or '-|' append them to the command string as you would system EXPR.
Returns EXPR on success for convenience. You may neglect the return value and manipulate EXPR as the filehandle directly if you prefer.
CAVEATS
While it is permissible to "close" a FileCache managed file, do not do so if you are calling "FileCache::cacheout" from a package other
than which it was imported, or with another module which overrides "close". If you must, use "FileCache::cacheout_close".
Although FileCache can be used with piped opens ('-|' or '|-') doing so is strongly discouraged. If FileCache finds it necessary to close
and then reopen a pipe, the command at the far end of the pipe will be reexecuted - the results of performing IO on FileCache'd pipes is
unlikely to be what you expect. The ability to use FileCache on pipes may be removed in a future release.
FileCache does not store the current file offset if it finds it necessary to close a file. When the file is reopened, the offset will be
as specified by the original "open" file mode. This could be construed to be a bug.
The module functionality relies on symbolic references, so things will break under 'use strict' unless 'no strict "refs"' is also
specified.
BUGS
sys/param.h lies with its "NOFILE" define on some systems, so you may have to set maxopen yourself.
perl v5.16.2 2012-08-26 FileCache(3pm)