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Top Forums Shell Programming and Scripting Piping and assigning output to a variable in Perl Post 302315998 by KevinADC on Wednesday 13th of May 2009 06:45:10 PM
Old 05-13-2009
You have declared $ST_file in the wrong scope.:


Code:
my $ST_file; 
open(F, " ls -rt *$tester*st* | tail -1 | ") or die;
while (<F>) {
        chomp;
        $ST_file = $_;
}
close(F);
print "$ST_file\n";

 

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TAC(1)								   User Commands							    TAC(1)

NAME
tac - concatenate and print files in reverse SYNOPSIS
tac [OPTION]... [FILE]... DESCRIPTION
Write each FILE to standard output, last line first. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -b, --before attach the separator before instead of after -r, --regex interpret the separator as a regular expression -s, --separator=STRING use STRING as the separator instead of newline --help display this help and exit --version output version information and exit AUTHOR
Written by Jay Lepreau and David MacKenzie. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report tac translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
rev(1) Full documentation at: <http://www.gnu.org/software/coreutils/tac> or available locally via: info '(coreutils) tac invocation' GNU coreutils 8.28 January 2018 TAC(1)
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