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Shell Programming and Scripting
Check if file is locked otherwise gzip it
Post 302781435 by Lord Spectre on Saturday 16th of March 2013 02:37:26 PM
03-16-2013
Thanks Scrutinizer,
fuser works perfect!
Btw, I realized that it output the file in use, now I've to exclude it from gzip!
Unfortunately gzip cannot exclude file.... Maybe fuser can show the file NOT in use?
---------- Post updated at 01:01 PM ---------- Previous update was at 12:56 PM ----------
OPS! Yoda, your solution works perfect thanks!
---------- Post updated at 01:37 PM ---------- Previous update was at 01:01 PM ----------
WOPS! Unfortunately lsof seems doesn't work from crontab...
If I execute the Yoda's script from shell it works, but at crontab level it just gzip all the *.cap files!!!
But why ?!?!?
fuser works perfect!
Btw, I realized that it output the file in use, now I've to exclude it from gzip!
Unfortunately gzip cannot exclude file.... Maybe fuser can show the file NOT in use?
---------- Post updated at 01:01 PM ---------- Previous update was at 12:56 PM ----------
OPS! Yoda, your solution works perfect thanks!
---------- Post updated at 01:37 PM ---------- Previous update was at 01:01 PM ----------
WOPS! Unfortunately lsof seems doesn't work from crontab...
If I execute the Yoda's script from shell it works, but at crontab level it just gzip all the *.cap files!!!
But why ?!?!?
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LEARN ABOUT MOJAVE
znew
ZNEW(1) BSD General Commands Manual ZNEW(1) NAME
znew -- convert compressed files to gzipped files SYNOPSIS
znew [-ftv9K] file ... DESCRIPTION
The znew utility uncompresses files compressed by compress(1) and recompresses them with gzip(1). The options are as follows: -f Overwrite existing '.gz' files. Unless this option is specified, znew refuses to overwrite existing files. -t Test integrity of the gzipped file before deleting the original file. If the integrity check fails, the original '.Z' file is not removed. -v Print a report specifying the achieved compression ratios. -9 Use the -9 mode of gzip(1), achieving better compression at the cost of slower execution. -K Keep the original '.Z' file if it uses less disk blocks than the gzipped one. A disk block is 1024 bytes. SEE ALSO
gzip(1) CAVEATS
The znew utility tries to maintain the file mode of the original file. If the original file is not writable, it is not able to do that and znew will print a warning. BSD
January 26, 2007 BSD