On Sat, Mar 17, 2012 at 5:25 PM, Doran, Michael D <do...@uta.edu> wrote: > It looks like the read pointer was going to the beginning of the file on > Solaris, but the end of the file on Linux. I've edited the script to do > separate opens for when I need to read the file and when I need to append to > it. I'm running the script now to check for any unintended consequences. > > My take-away on this, is to avoid the use of "+>>" to open a file. In fact, > in doing further research I saw that exact advice in the Perl Cookbook, and > for just this reason. > > Thanks to Brad Baxter for (pardon the pun) pointing me in the right direction. > > -- Michael
FWIW, the Perl version seems to make a difference, too ... >> cat qt #!/usr/local/bin/perl use strict; use warnings; system 'echo "This is a test" > test'; open my $fh, '+>>', "test" or die $!; print '[',<$fh>,']'; close $fh; >> ./qt [This is a test ] >> /usr/local/bin/perl -v This is perl, v5.8.8 built for sun4-solaris >> cat qt #!/usr/local/bin/perl use strict; use warnings; system 'echo "This is a test" > test'; open my $fh, '+>>', "test" or die $!; print '[',<$fh>,']'; close $fh; >> ./qt [] >> /usr/local/bin/perl -v This is perl 5, version 12, subversion 1 (v5.12.1) built for sun4-solaris
