Andrew saw this,
| :0 ic
| | cd backup && rm -f dummy `ls -t msg.* | sed -e 1,32d`
| ^^^^^
and asked,
| What I want to know is the purpose of the dummy. Thanks.
In case there are, even after the current message was saved there, thirty-two
or fewer messages in the directory, and sed produces no output, rm won't
complain that there were no files named on its command line: the word "dummy"
will still be there. The file "dummy" doesn't exist, but one characteristic
of rm's -f option is that it won't report an error if asked to remove a
nonexistent file.
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