perl-io
How to test if PerlIO::fse works on file test operators?
#!/usr/local/bin/perl use warnings; use strict; use utf8; use Encode qw(encode); my $dir = \'/data/Delibes, Léo\';[详细]
2023-04-07 16:54 分类：问答Need to print the last occurrence of a string in Perl
I have a script in Perl that searches for an error that is in a config file, but it prints out any occurrence of the error.I need to match what is in the config file and print out only the last time t[详细]
2023-01-11 09:08 分类：问答Why does this program not find the word 'error' in my text file?
open(LOG,\"logfile.txt\") or die \"Unable to open $logfile:$!\"; print \"\\n\"; while(<$LOG>){ print if /开发者_如何转开发\\berror\\b/i;[详细]
2023-01-10 11:04 分类：问答Why do I get this syntax error in my code generating program?
I want to generate some lines of Perl code by using file handling in Perl, for example: open(FILEHANDLE, \">ex.pl\") or die \"cannot open file for reading: $!\";[详细]
2023-01-09 18:29 分类：问答Regex Letters, Numbers, Dashes, and Underscores
Im not sure how I can achieve this match expression.Currently I am using, ([A-Za-z0-9-]+) ...which matches letters and numbers.I would also开发者_Python百科 like to match on dashes and underscores[详细]
2022-12-21 02:40 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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