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Shell Programming and Scripting
best way to get a file's size?
Post 48903 by ropers on Sunday 21st of March 2004 07:56:48 PM
03-21-2004
Thanks both!
I actually decided to use wc rather than du (or find) to be sure to get the actual size of the file (as opposed to the space that file is taking up on disk).
This is what I currently have and it SEEMS to work:
I'd still be interested to hear qualified opinions which way might be considered best practice.
Again, MANY thanks!
I actually decided to use wc rather than du (or find) to be sure to get the actual size of the file (as opposed to the space that file is taking up on disk).
This is what I currently have and it SEEMS to work:
Quote:
if [ $# == 1 ] && [ -r "$1" ] && [ -f "$1" ] && [ `wc -c "$1" | awk '{print $1}'` -gt 681574400 ]; then
# I should add a check whether the current dir is writable
echo there is only one parameter AND it\'s writable AND it\'s an ordinary file AND it\'s bigger than 650MB
# (...)
fi
# I should add a check whether the current dir is writable
echo there is only one parameter AND it\'s writable AND it\'s an ordinary file AND it\'s bigger than 650MB
# (...)
fi
Again, MANY thanks!
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LEARN ABOUT MOJAVE
systemd-machine-id-commit.service
SYSTEMD-MACHINE-ID-COMMIT.SERVICE(8) systemd-machine-id-commit.service SYSTEMD-MACHINE-ID-COMMIT.SERVICE(8) NAME
systemd-machine-id-commit.service - Commit a transient machine ID to disk SYNOPSIS
systemd-machine-id-commit.service DESCRIPTION
systemd-machine-id-commit.service is an early boot service responsible for committing transient /etc/machine-id files to a writable disk file system. See machine-id(5) for more information about machine IDs. This service is started after local-fs.target in case /etc/machine-id is a mount point of its own (usually from a memory file system such as "tmpfs") and /etc is writable. The service will invoke systemd-machine-id-setup --commit, which writes the current transient machine ID to disk and unmount the /etc/machine-id file in a race-free manner to ensure that file is always valid and accessible for other processes. See systemd-machine-id-setup(1) for details. The main use case of this service are systems where /etc/machine-id is read-only and initially not initialized. In this case, the system manager will generate a transient machine ID file on a memory file system, and mount it over /etc/machine-id, during the early boot phase. This service is then invoked in a later boot phase, as soon as /etc has been remounted writable and the ID may thus be committed to disk to make it permanent. SEE ALSO
systemd(1), systemd-machine-id-setup(1), machine-id(5), systemd-firstboot(1) systemd 237 SYSTEMD-MACHINE-ID-COMMIT.SERVICE(8)