Beefy Boxes and Bandwidth Generously Provided by pair Networks
There's more than one way to do things
 
PerlMonks  

Re^2: Running an external command

by Mr. Muskrat (Canon)
on Apr 26, 2012 at 17:19 UTC ( #967408=note: print w/replies, xml ) Need Help??


in reply to Re: Running an external command
in thread Running an external command

If the file referred to by $ARGV[1] should be appended to instead of overwritten then use the following code. Since you aren't actually using INP, I've removed it.

$file = "$ARGV[1]"; open OUT, ">> $file" or die "Cannot open file: $!"; @out = `/home/applications/samtools-0.1.7a/samtools view -bS $ARGV[0] +2>&1`; print OUT @out; close OUT;

A better way to write that is shown below. The top three lines assume that this is a standalone script which it may not be.

#!/usr/bin/perl use strict; use warnings; use autodie; my $file = $ARGV[1]; open my $out, '>>', $file; my @out = `/home/applications/samtools-0.1.7a/samtools view -bS $ARGV[ +0] 2>&1`; print $out @out; close $out;

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://967408]
help
Chatterbox?
[robby_dobby]: marto: yeah, I'd eventually visit Glasgow some day - just to visit the home town of GHC :-)
[robby_dobby]: Corion: Oh, that's awesome! Your timing is perfect enough to see all hell break loose when you get back at work :P
[marto]: well, let me know in advance, I'll buy you a pint :)
[Corion]: robby_dobby: No, I'm returning in the second workweek of January. The main hectic parts are in the first days after the start of the new year
[robby_dobby]: marto: and, I'm not sure I'd be around here long enough for YAPC::EU
[marto]: Corion nice, what are you plans for Christmas?
[robby_dobby]: Corion: Nice, you just won't be around to deal with the mess - enjoy your vacation :-)
[robby_dobby]: marto: Sure, will do. Thanks!
[Corion]: marto: No great plans - I'll meet with my sister, my brother and my mother, but that's all :)
[Corion]: ... and also a visit to my godson+family of course :)

How do I use this? | Other CB clients
Other Users?
Others pondering the Monastery: (7)
As of 2017-12-15 10:41 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    What programming language do you hate the most?




















    Results (431 votes). Check out past polls.

    Notices?