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Are you running NFS? Stale NFS mounts are known to cause this.

You can use strace to determine where the problem is, i.e.

# strace yum -y update yum

For a new problem, please make a new post.

Hi,

Try next command:

$ sed 's/[ ,]\?\ba\{3\}\b[ ,]\?//g' infile
group1 = aaaaa, bbbbb, ccccc,
group2= bbbbb, ccccc, aaaaa
group3 = bbbbb, ccccc, aaaaa
group4 = bbbbb,ccccc, aaaaa
Regards,...

Hi,

I'm not sure I understood your problem correctly. Test next 'Perl' script. Perhaps it works:


$ cat script.pl
use strict;
use warnings;
use autodie;

@ARGV == 1 or die "Usage: perl $0...

cat testfile.txt |sed '/^$/d' | sed s/$/\\n/

sed '/./,/^$/!d' infile


should work for you...

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No flames,...