Sponsored Content
Top Forums Shell Programming and Scripting Passing variable and wild card character to grep in Perl Post 302449643 by amit1_x on Tuesday 31st of August 2010 05:27:56 AM
Old 08-31-2010
Passing variable and wild card character to grep in Perl

HI All,
I have a script that needs to find out a list of files in a directory, i pass the search parameter as an argument.
Code:
opendir ( DIR, $dir ) || die "Error in opening dir $dirname\n";
@filename1 = (grep {/$File_pattern/ } readdir(DIR));

The problem is my file patterns are like MQS_MT300_XXXXX_YYYYMMDD_*
the third word in the file varies everyday so i need use regex .
Code:
1. perl 2.pl MQS_MT535_[A-Za-z0-9]_20100831_

2.perl 2.pl MQS_MT535_[A-Za-z0-9]_20100831_

Above are the ways i call my script from the prompt, i have tried them and many other options , they do not work and my code is unable to find the files

is there a way i can crack this off, Apreciate your help
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

using if with wild card patterns

Hi, Please help me. Suppose I have a file which contains files like: My file :/tmp/rooh_20020518.lst it consists: ASI00320225041925URD01 ASI00320225041925KER02 ASI00390228095244KER08 ... (1 Reply)
Discussion started by: rooh
1 Replies

2. UNIX for Dummies Questions & Answers

ls and wild card - Should be simple!

I am trying to cp files that have F0 as prefix in their name in path p1/p2 to path p3/p4 this command does not work - Why? (I am using HP/UX) cp p1/p2/F0* p3/p4 thanks. (2 Replies)
Discussion started by: GNMIKE
2 Replies

3. UNIX for Dummies Questions & Answers

How do I pass a wild card as an argument

Hi, I would like to pass a wild card as part of an argument. But when I do it the script views the wild card as text. Example: sFile=MG1A* sort $sFile > $sFile.sorted What I get is MG1A*.sorted The problem is I am passed a series of files where the first few characters like "MG1A"... (2 Replies)
Discussion started by: eja
2 Replies

4. Shell Programming and Scripting

Wild card in find perm

Hi, Is there a way to use find command to list the directories for certain permissions. I know we can use find . -type d -perm nnn, where nnn is the permission number . However I wold like to know if I wanna search for wild card permissions i.e 75* / 7* / 55* , as i do not know the actual... (1 Reply)
Discussion started by: braindrain
1 Replies

5. AIX

df, grep, wild card

Hi, I want to monitor my filesystem capacity and I want to df with grep wildcard for all 9*%. Is this possible? I want to replaced all the existing complicated scripts I have in the system. Thanks, Itik (2 Replies)
Discussion started by: itik
2 Replies

6. Shell Programming and Scripting

How to use wild card character in string concatenation--please help

Hi All, I'm new to shell scripting. Please help me in achieving this I am trying to a find regular expression that need to pick a file with begin with the below format and this code is called in xml file. currently the script accepts:... (0 Replies)
Discussion started by: vasavi_cherku
0 Replies

7. Shell Programming and Scripting

wild card in if condition not working

Hi, I am using RHEL5. I have following if condition. if In the above condition, if the value of a contains word WARNING, it should match. i.e., WARNING_MESSAGE, CRITICAL WARNING, WARNING ALERT etc. it should match. For b, alert error, ALERT ERROR, ERROR IMMEDIATE ACTION REQUIRED, etc... (2 Replies)
Discussion started by: user7509
2 Replies

8. Shell Programming and Scripting

Grep using wild card issue

Hi, I am having a file (file1) having following contents " xet B - All Divers/All Rivers - - ns - " Now when i use cat file1 | grep 'RF' it doesn't returns anything. But on using cat file1 | grep 'RF*' shows me... (6 Replies)
Discussion started by: sarbjit
6 Replies

9. Shell Programming and Scripting

find with wild card [solved]

Can somebody help me with the following syntax? I want to find all files that end with *.arc SUFFIX=".arc" find /tmp -name "\*$SUFFIX" -print 2>/dev/null ---------- Post updated at 03:45 PM ---------- Previous update was at 03:41 PM ---------- got it thanks -name... (0 Replies)
Discussion started by: BeefStu
0 Replies

10. Shell Programming and Scripting

Wild card for dir path

I have dir structure like this : /opt/oracle/product/abc/sqlplus/admin/ /opt/oracle/product/def/sqlplus/admin /opt/oracle/product/ghi/sqlplus/admin I am trying to use wildcard ( for dirs abc,def,ghi) ..something like this : cp xyz.txt ... (1 Reply)
Discussion started by: talashil
1 Replies
CG(1)																	     CG(1)

NAME
cg - Recursively grep for a pattern and store it. SYNOPSIS
cg [ -l ] | [ [ -i ] pattern [ files ] ] DESCRIPTION
cg does a search though text files (usually source code) recursively for a pattern, storing matches and displaying the output in a human- readable fashion. It is intended to give some of the functionaly of AT&T's cscope(1) tool, with the advantages of simplicity and not being language-specific. The script will colorize output if configured as such. It is typically run with a Perl regular expression to search for. The search can be made case insensitive by using the -i option. A list of files may also be specified with an additional argument after the pattern. Put the files pattern in quotes to make it be matched by Perl rather than by the shell. Running the script with no arguments will recall the results of the previous search. After the search, entries found can be edited using the vg(1) script. The -l option shows the last log made. SOME EXAMPLES
cg - alone recalls the previous search results. cg -i pattern - search the default list of files for all files matching the pattern (and case-insensitively). cg pattern '*.c' - search recursively for pattern in all *.c files. This automatically converts '*' to '.*' and '.' to '.' for you and does a Perl pattern match on all files in the tree. cg pattern *.c - search through the shell-expanded list of *.c files, so not done recursively (in other words, only the files your shell pass to the script as arguments). cg -l - show the last log made. COMMAND-LINE OPTIONS -i Do a case-insensitive search. -l Show the last log made. -p Toggle the default pager option. cg has a bulit-in pager function, which can be enabled or disabled by default (in .cgvgrc). If the default is enabled, this option disables the pager; if the default is disabled, this option enables it. -P Force the built-in pager to be disabled. FILES
${HOME}/.cglast Log file of the last search. ${HOME}/.cgvgrc Per-user configuration file (if the defaults are not desireable). ${HOME}/.cgvg/* Log files in $HOSTNAME.shell_pid form with the log of the last search. SEE ALSO
vg(1), perl(1), find(1), grep(1), cscope(1) AUTHOR
cg was written by Joshua Uziel <uzi@uzix.org>. 13 Mar 2002 CG(1)
All times are GMT -4. The time now is 09:59 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy