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Problems and suggestion for "find ... -printf ..."
From: |
lukekendall |
Subject: |
Problems and suggestion for "find ... -printf ..." |
Date: |
Tue, 2 Oct 2001 22:28:11 +1000 (EST) |
In the course of changing over from using "fls" (which I suspect is a
command line utility like GNU stat), to using find's -printf argument
to achieve the same effect, I came upon two problems.
The first is very small: although the man page says that \-escape
sequences that -printf doesn't understand are passed through unaltered
(good!), find in fact issues a warning message about unrecognised escape
sequences (bad).
E.g. try this:
find "/etc/skel/Desktop/Linux Documentation" -prune -printf
"FILE=/etc/skel/Desktop/Linux\ Documentation; my_command"
find: warning: unrecognized escape `\ '
The second problem is that if you want the output of the -printf to be
shell commands for input to some other shell process later, e.g.:
find "/$DIR" -type l -printf "cd '%h' && ln -s '%l' '%p'\n"
then you really need to have format options for the filename formats
that output \-escaped filenames. The above command will work for
filenames with spaces, for example, but if the filename contains
single-quote characters then the commands won't execute properly in the
follow-on shell.
Maybe %\%h, %\%l and %\%p would be reasonable choices; %\ is not
otherwise meaningful, and it does suggest backslash-escaping of the
subject.
Regards,
luke
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