Match in perl not working with ARGV


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Match in perl not working with ARGV
# 8  
Old 11-08-2013
You are not reading from $ARGV[0]. To read from that file you have to specify it's file handle in the diamond operator:while(<FH1>) {
# 9  
Old 11-08-2013
It worked fine.Thanks a lot ,i would be grateful to u.wasted a lot of time,out of my laziness in specifying the file pointer.
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Perl sys.argv issue

I am running a perl script and reading the arguments passed to the script as below..... resembles more arguments. java weblogic.WLST /web/update.py 34 56 .... I am trying to print the arguments passed to the update.py script as below for arg in sys.argv: print "other args:", arg... (1 Reply)
Discussion started by: mohtashims
1 Replies

2. Shell Programming and Scripting

Match working for some but not all

I am not sure why the script below seems to pull the correct values for most, but not all. Basically what is supposed to result is the $1 value in genes.txt is matched to the $3 value in RefSeqGene.txt and the value in 6 field is copied. In the output below that is the case most of the time but... (3 Replies)
Discussion started by: cmccabe
3 Replies

3. Shell Programming and Scripting

Wildcarding in a Perl @ARGV Context?

Hello folks! While "sedding" about again, I ran into this little conundrum du jour:#!/usr/bin/perl use strict; use warnings; use diagnostics; @ARGV = ('./afile.dat', './*.txt'); $^I = ''; while (<>) { s/Twinkies/Dinner/g; print; }When run, perl complains,...but, of... (2 Replies)
Discussion started by: LinQ
2 Replies

4. Shell Programming and Scripting

Wildcarding in a Perl @ARGV Context?

Hello folks! While "sedding" about again, I ran into this little conundrum du jour:#!/usr/bin/perl use strict; use warnings; use diagnostics; @ARGV = ('./afile.dat', './*.txt'); $^I = ''; while (<>) { s/Twinkies/Dinner/g; print; }When run, perl complains,...but, of... (1 Reply)
Discussion started by: LinQ
1 Replies

5. UNIX for Advanced & Expert Users

O argv, argv, wherefore art thou argv?

All of my machines (various open source derivatives on x86 and amd64) store argv above the stack (at a higher memory address). I am curious to learn if any systems store argv below the stack (at a lower memory address). I am particularly interested in proprietary Unices, such as Solaris, HP-UX,... (9 Replies)
Discussion started by: alister
9 Replies

6. Shell Programming and Scripting

exact match in Perl

Hi By using select clause I'm trying to pull out the rows to a variable. If the variable has 0 row(s) selected then i'm printing some text message else printing some other text message if($xyz =~ m/0 row/) { print "0 rows "; } else { print " There are rows"; } By my problem... (4 Replies)
Discussion started by: pdreddy34
4 Replies

7. Shell Programming and Scripting

how to include slashes "/" in @ARGV (Perl)

Hello I have simple script that will accept as arg string like this : ".../foo/blah/,.../.../foo1/,.../blah" now perl automatically removes the slashes "/" , I can't escape the slashes in the input I have to control on it so how can I force perl to not touch this slashes? Thanks ... (5 Replies)
Discussion started by: umen
5 Replies

8. Shell Programming and Scripting

perl exact match

How to emulate grep -o option in perl. I mean to print not all line, only the exact match. echo "2A2 BB" | perl -ne 'print if /2A2/' 2A2 BB I want to print only 2A2. (2 Replies)
Discussion started by: mirusnet
2 Replies

9. Shell Programming and Scripting

Perl: Getting $ARGV's to operate like while(<>)

I have a script that asks a bunch of questions using the following method for input: print "Name:"; while(<>){ chomp; $name=$_; } So for example, if the questions asked for name, age, & color (in that order)... I want to be able to easily convert $ARGV into the input expected by... (2 Replies)
Discussion started by: jjinno
2 Replies

10. Shell Programming and Scripting

RegExp negative match not working

or I don't know how to make it work ... Hello im trying to build regexp that will match me single string or function call inside of brackets for example I have : <% myFunction("blah",foo) %> or <% myVar %> and not match : <% if(myFunction("blah",foo)==1) %> or <% while(myvar < 3){... (2 Replies)
Discussion started by: umen
2 Replies
Login or Register to Ask a Question