Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

perl/unix: script in command line works but not in perl

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting perl/unix: script in command line works but not in perl
# 1  
Old 01-11-2011
perl/unix: script in command line works but not in perl
so in unix this command works works and shows me a list of directories
Code:
find . -name \*.xls -exec dirname {} \; | sort -u | > list.txt

but when i try running a perl script to run this command

Code:
my $query = 'find . -name \*.xls -exec dirname {} \; | sort -u | > list.txt';
system($query);

list.txt is created but is blank with nothing there.

help?
Last edited by vbe; 01-12-2011 at 04:57 AM.. Reason: more code tags...
# 2  
Old 01-11-2011
Hi,

Remove pipe after sort.

Code:
my $query = 'find . -name \*.xls -exec dirname {} \; | sort -u | > list.txt';
system($query);

This User Gave Thanks to pravin27 For This Post:
kpddong
# 3  
Old 01-11-2011
thank you!
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Need to understand how the line in perl program works as shell commend

I have a file with two line, one is header, the other actual value: TYPCD|ETID2|ETID|LEG ID|PTYP|PTYP SUB|TRD STATUS|CXL REASON|CACT|CACTNM|ENCD|ENC D NM|TRDR|ASDT|TRDT|MTDT|STDT|LS|SECID|SECID TYP|SECNM|PAR|STCC|MARKET PRICE|DIS MARKET PRICE|MARKET PRICE CURRENCY|SRC OF SETTLEMENT... (2 Replies)
Discussion started by: digioleg54
2 Replies

2. Shell Programming and Scripting

Perl error in batch command but works one at a time

In the below perl executes if one file is processed perfect. However, when multiple files are processed in batch which is preferred I get the below error that I can not seem to fix it as the '' necessary for the command to execute, but seem to only work for one -arg option. Thank you :). ... (2 Replies)
Discussion started by: cmccabe
2 Replies

3. Shell Programming and Scripting

perl: Command works in terminal, but not in shell script

Hi, the following command works in the terminal no problem. samtools view -h rawlib.bam | perl -ne '{ @line = split( /\s+/ ); $match = 0; while( $line =~ /(\d+)M/g ) { $match = $match + $1 } if( $match >= 80 || $_ =~ /^\@/ ) { print $_ } }' | java -Xmx12G -jar... (8 Replies)
Discussion started by: jdilts
8 Replies

4. Shell Programming and Scripting

Using UNIX command in perl script.

I wish to know if there is any limitation in using unix commands in perl script or it is just we should avoid using them in our perl script. For e.g Below is the command to get the recent file in a dir.: $lcsvFile = `cd "$l_inputfilepath";ls -1t *.CSV|tail -1` Is there any harm in coding... (1 Reply)
Discussion started by: Devesh5683
1 Replies

5. Shell Programming and Scripting

perl script - command line parameter

i am a beginner, i want to make a program that takes any command line arguments... and print it out in reverse. ie. if the command line argument is "thanks for helping me" i want it to output "me helping for thanks" :D i have tried using the reverse command, but i cant get it working!! ... (3 Replies)
Discussion started by: bshell_1214
3 Replies

6. Shell Programming and Scripting

Run perl script, with command-line options

Hello everyone, I have a perl script which takes various command line options from user like : test.pl -i <input_file> -o <output_file> -d <value> -c <value> Now I have multiple input files in a directory: <input_file_1> <input_file_2> <input_file_3> <input_file_4> ..... .... ...... (6 Replies)
Discussion started by: ad23
6 Replies

7. Shell Programming and Scripting

perl oneliner not works .pl script

I am trying to take first 3 columns in a file which matches the word "abc", but i am getting the below error, <error> Global symbol "@F" requires explicit package name at ./new.pl </error> whereas when i give the below,grep abc /home/test/file.txt|perl -lane 'print \"$F $F $F\" in unix prompt... (4 Replies)
Discussion started by: anspks
4 Replies

8. Shell Programming and Scripting

changing from command line to perl script

I had posted previously about this problem I had. I have multiple text files with hundreds of lines of the following type: 2000001 34 54 234 2000001 32 545 2000001 -2000001 77 2000001 44 2000001 998 2000001 77 32 2000001 45 23 111 89 98 75 23 34 999 . . . etc... What I wanted was... (2 Replies)
Discussion started by: xchen89x
2 Replies

9. Shell Programming and Scripting

perl - how come this script works?

#!/usr/bin/perl open (DATA, file.txt); @array = <DATA>; close (DATA); open (DATA, ">$file.txt"); for (@array) { s/text/replace text/; push(@contents,$_); } seek(DATA, 0, 0); print DATA (@contents); close(DATA); could someone please explain how this works. i've been... (3 Replies)
Discussion started by: mjays
3 Replies

10. Shell Programming and Scripting

E-Mail from command line for UNIX and Perl??

Hi Is there any way to use UNIX and Perl to automate sending e-mail. I got a dynamic changing file that send out to people in my mailing list and want to experinment to see if Perl and UNIX can send it out for me when the content is change. I found a Perl source code but dont really know how to... (4 Replies)
Discussion started by: jy2728
4 Replies
Login or Register to Ask a Question