Beefy Boxes and Bandwidth Generously Provided by pair Networks
Perl Monk, Perl Meditation
 
PerlMonks  

Re^2: file open with variables

by AnomalousMonk (Archbishop)
on Sep 28, 2022 at 23:10 UTC ( [id://11147148]=note: print w/replies, xml ) Need Help??


in reply to Re: file open with variables
in thread file open with variables

An alternative to chained string concatenation is the join built-in. This has the advantage IMHO that it operates on a "pure" list, i.e., one that can be built | built arbitrarily from strings, arrays, function calls, etc.

Win8 Strawberry 5.8.9.5 (32) Wed 09/28/2022 18:56:53 C:\@Work\Perl\monks >perl use strict; use warnings; use Test::Simple tests=>1; 1..1 # Expected my $expected_file_name = 'D:\PROJ\N123_X3\dataInfo_X-4_Y5_decode.csv'; # Given my $X_info = 3; my $Y_info = -4; my $Z_info = 5; my @intro = ('D:\PROJ\N123_X', $X_info, '\dataInfo_X', $Y_info); my $concatenated_name = join '', @intro, '_Y', $Z_info, '_decode.csv', ; ok($concatenated_name eq $expected_file_name, 'join concatenation'); ^Z ok 1 - join concatenation


Give a man a fish:  <%-{-{-{-<

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Node Status?
node history
Node Type: note [id://11147148]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others contemplating the Monastery: (3)
As of 2024-04-19 20:11 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found