10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello,
I have many folders under which there is always a file with the same name, which contains the data I need to process later. A perl oneliner was borrowed
perl -e 'print "gene_id\t", join("\t", map {/(.*)\//; $1} @ARGV),"\n";' *_test.trim/level.csvto make a header so that each column... (5 Replies)
Discussion started by: yifangt
5 Replies
2. Shell Programming and Scripting
I have a file like
file.
file.TODAY.THISYEAR
file.TODAY.LASTYEARI want to substitute the words in caps with their actual values so that output should look like
file.140805
file.140805.2014
file.140805.2013For this I am reading the file line bye line in an array and using multiple map... (1 Reply)
Discussion started by: sam05121988
1 Replies
3. Shell Programming and Scripting
Hello All,
I am writing the below script where it will connect to database and returns the results.
#!/sw/gcm/perl510/bin/perl
use SybaseC;
&openConnection;
&loadvalues;
sub openConnection {
$dbproc = new SybaseC(SYDB}, $ENV{DBDFLTUSR}, $ENV{DBDFLTPWD});
if... (2 Replies)
Discussion started by: filter
2 Replies
4. Shell Programming and Scripting
Hi,
Please help me to understand the following code:
perl -lne 'print if "$_ " =~ /(5 (?:\d+ ){5})\1/'
What the regular expression "?:" does?
Also, whether the expression "\1" is the same as in sed (i.e) printing the elements inside pair of parentheses? (3 Replies)
Discussion started by: royalibrahim
3 Replies
5. Shell Programming and Scripting
Hi,
In the following perl code:
#!/usr/bin/perl -w
if (open(FILE, "< in_file")) {
while (<FILE>) {
chomp($_);
if ($_ =~ /patt$/) {
my $f = (split(" ", $_));
print "$f\n";
}
}
close FILE;
}
Why changing the "FILE" as... (4 Replies)
Discussion started by: royalibrahim
4 Replies
6. Shell Programming and Scripting
Hi,
I have 2 arrays:
@names=qw(amith veena chaitra);
@files=qw(file.txt file1.txt file3.txt);
There is one to one relationship between names and files.
There needs to be mapping created between names and files.
The output should be like this:
amith --> file.txt
veena --->... (3 Replies)
Discussion started by: vanitham
3 Replies
7. Shell Programming and Scripting
Hi guys,
I'm trying to learn grep and map and having a little problem.
Let's say I have a file which contains:
Apple: abcdcabdadddbac
I want to replace any combinations of three of abcd, thus when I do this:
print grep {s/{3}/X/g} <F>; # will do the subtitution fine, output XXXX
... (1 Reply)
Discussion started by: new bie
1 Replies
8. Shell Programming and Scripting
Anyone please say what is the difference between $var and ${var} in perl
Sometimes $var used and sometimes ${var} used in same program.
Thanks in Advance,
Prabhu
---------- Post updated at 09:34 AM ---------- Previous update was at 05:59 AM ----------
Any one please clarify (1 Reply)
Discussion started by: prsampath
1 Replies
9. Shell Programming and Scripting
Dear friends,
I have two files. In first file first column ($1), i have numbers.
The second file containes, the same number in the fourth column($4).
I need a output file, matching the first file column 1 with second file column 4. The main thing is the output file lines will be sorted... (4 Replies)
Discussion started by: vasanth.vadalur
4 Replies
10. Shell Programming and Scripting
hi all
i wrote a shell script which uses perl script my code is :
>cat filename | while read i
>do
>perl -e 'require "/home/scripts/abc.pl" ; abc("$i")'
>done
perl script used will simply check syntax of Cobol programs but it didn't work for me so i asked my colleague he suggested... (1 Reply)
Discussion started by: zedex
1 Replies