Re^2: Use of uninitialized value $_ in pattern match (m//)?

Hi, thanks for your time! I am trying to match against filenames, from files that are in the path I specify. I modified my script to

  
$match =~/MV(\d{4})/;
$moved = $1;
print "$moved \n";
[download]

but although I initialise my $match outside of the loops, I still get the same error as described initially :(

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Re^3: Use of uninitialized value $_ in pattern match (m//)? by poj (Abbot) on Feb 29, 2016 at 15:46 UTC
Try `#!/usr/bin/perl/ use strict; use warnings; my $id = "AC"; my $root = '/home/results/initial/'; for my $i (2..3){ for my $k (1..3){ my $path = $root.sprintf "%s%04d/F%05d",$id,$i,$k; print "$path\n"; for (glob "$path/MV*"){ print "$1\n" if /MV(\d{4})/; } } }` [download] poj	[reply] [d/l]
Re^3: Use of uninitialized value $_ in pattern match (m//)? by Corion (Patriarch) on Feb 29, 2016 at 15:42 UTC
What is the value in `$match`? What do you expect the value in `$match` to be? As hippo already mentioned, you seem to be highly confused about how to read entries in a directory. See glob, or opendir and readdir.	[reply] [d/l] [select]
Re^3: Use of uninitialized value $_ in pattern match (m//)? by AnomalousMonk (Archbishop) on Feb 29, 2016 at 16:22 UTC
... I still get the same error as described initially ... From the OP: '... I'm getting a "Use of uninitialized value $_ in pattern match (m//)" error.' If you're really still getting this exact "error" (a warning, actually), then you still have a `/MV(\d{4})/;` statement lurking somewhere in your code that is still trying to implicitly match against the `$_` variable which you have still not initialized. What line number is associated with the warning message? Look at (or near) that line for the offending statement. Give a man a fish: `<%-{-{-{-<`	[reply] [d/l] [select]