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April, 26th. 2006:
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FSTA-DECODE
Section: Linux System Administrator's Manual (8) Updated: May 2006 Index
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NAME
fsta-decode - run a command with fsta-encoded arguments
SYNOPSIS
fsta-decode
COMMAND [ ARGUMENT ...]
DESCRIPTION
fsta-decode
decodes escapes (such as newline characters and other whitespace)
in the specified
ARGUMENTs
and uses them to run
COMMAND.
The argument escaping uses the same rules as path escaping in
/etc/fstab, /etc/mtab and /proc/mtab.
In essence fsta-decode can be used anytime we want to pass multiple
parameters to a command as a list of command line arguments.
It turns output like this:
/root
/mnt/remot-disk
/home
Into one long list of parameters, "/root /mnt/remot-disk /home".
This can be useful when trying to work with multiple filesystems at once.
For instance, we can use it to unmount multiple NFS shares.
This program also removes whitespace and
other characters which might cause programs such as
mount(8) or umount(8) to fail.
EXIT STATUS
fsta-decode
exits with status 127 if
COMMAND
can't be run.
Otherwise it exits with the status returned by
COMMAND.
EXAMPLES
The following example reads
fstab,
finds all instances of VFAT filesystems
and prints their mount points
(argument 2 in the
fstab
file).
fsta-decode
then runs the specified program, umount(8), and passes
it the list of VFAT mountpoints.
This unmounts all VFAT partitions.
fsta-decode umount $(awk [aq]$3 == [dq]vfat[dq] { print $2 }[aq] /etc/fstab)
SEE ALSO
fstab(5)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- EXIT STATUS
-
- EXAMPLES
-
- SEE ALSO
-
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