Perl is a high-level, general-purpose, interpreted, dynamic programming language. It was originally developed by Larry Wall as a general-purpose Unix scripting language to make report processing easier, over a period with support from open source community, it has evolved and matured to be used for ...
0
votes
1answer
421 views
/bin/sh: ./check-dependencies.pl: not found — but check-dependencies.pl exists!
I'm trying to build Moses, but when I run make I get the following output:
minakshi@minakshi-Vostro-3500:~/Desktop/working-dir/moses/scripts$ make release
# Compile the parts
make all
make[1]: ...
7
votes
6answers
1k views
Is there any alternative to grep's -A -B -C switches (to print few lines before and after )?
grep -A 2 -B 3
prints 2 lines after the grep string and prints 3 lines before.
grep -C 3
prints 3 Lines before and 3 lines after
Unfortunately, the grep I'm using does not support these ...
6
votes
1answer
252 views
Is there a way to make perl -i not clobber symlinks?
A friend of mine points out that if you do:
perl -pi.bak -e 's/foo/bar/' somefile
when "somefile" is actually a symlink, perl does just what the docs say it will do:
It does this by renaming ...
4
votes
3answers
2k views
How to filter IPv4 and IPv6 addresses?
echo "1.1.1.1" | awk '/[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*/ {print $1}'
How can I filter IPv4 addresses in a script, and how can I filter IPv6 addresses.
I mean more precisely then this so the oneliner ...
2
votes
5answers
998 views
Perl script, do cd on terminal
In Script to change current directory (cd, pwd)
it is shown how to run a bash script that changes terminal directory.
But how do i run a perl script that runs a bash script that changes terminal ...
2
votes
1answer
145 views
perl-get input, check conditions
cat input1.txt
##gff-version 2
##source-version geneious 5.6.4
Xm_ABL1 Geneious CDS 1 168 . + . Name=Xm_ABL1;created by=User;modified ...
2
votes
1answer
197 views
How race conditions affect reads and writes (that happen at the same time)
Let's say I open a file a for reading. What if an application, let's call it aWriter writes to this file in random intervals. Are there any possibilities of me receiving improper file contents if I ...
0
votes
1answer
67 views
Error trying to call find from perl
use warnings;
use File::Find;
my $srceDir = "//mnt/Share_Drive/Verizon PM&T/Capture Files/";
opendir(DIR, $srceDir) or die "Can't open $srceDir: $!";
my @files = (find -type f -newermt "12 Feb ...
