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Full Discussion: .Config file in perl
Top Forums Shell Programming and Scripting .Config file in perl Post 302602300 by itkamaraj on Monday 27th of February 2012 03:45:07 AM
Old 02-27-2012
Code:
 
#!/bin/perl
open FILE, "config.txt" or die $!;
while (<FILE>) {
    chomp;                  # no newline
    s/#.*//;                # no comments
    s/^\s+//;               # no leading white
    s/\s+$//;               # no trailing white
    next unless length;     # anything left?
    my ($var, $value) = split(/\s*=\s*/, $_, 2);
    $User_Preferences{$var} = $value;
}
close FILE;
print $User_Preferences{"line1"} . "\n";
print $User_Preferences{"line2"} . "\n";
print $User_Preferences{"line3"} . "\n";
print $User_Preferences{"line4"} . "\n";
print $User_Preferences{"file"} . "\n";
print $User_Preferences{"debug"} . "\n";
print $User_Preferences{"host"} . "\n";

Recipe 8.16. Reading Configuration Files
 

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LEARN ABOUT X11R4

wc

WC(1)                                                              User Commands                                                             WC(1)

NAME

       wc - print newline, word, and byte counts for each file

SYNOPSIS

       wc [OPTION]... [FILE]...
       wc [OPTION]... --files0-from=F

DESCRIPTION

       Print  newline,  word,  and  byte  counts  for each FILE, and a total line if more than one FILE is specified.  A word is a non-zero-length
       sequence of characters delimited by white space.

       With no FILE, or when FILE is -, read standard input.

       The options below may be used to select which counts are printed, always in the following order: newline, word,  character,  byte,  maximum
       line length.

       -c, --bytes
              print the byte counts

       -m, --chars
              print the character counts

       -l, --lines
              print the newline counts

       --files0-from=F
              read input from the files specified by NUL-terminated names in file F; If F is - then read names from standard input

       -L, --max-line-length
              print the maximum display width

       -w, --words
              print the word counts

       --help display this help and exit

       --version
              output version information and exit

AUTHOR

       Written by Paul Rubin and David MacKenzie.

REPORTING BUGS

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report wc 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

       Full documentation at: <http://www.gnu.org/software/coreutils/wc>
       or available locally via: info '(coreutils) wc invocation'

GNU coreutils 8.28                                                 January 2018                                                              WC(1)
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