92d4b0e74a
Patch provided by Mario Blattermann. Added translation framework (po4a) from Mario Blttermann.
69 lines
2.4 KiB
Groff
69 lines
2.4 KiB
Groff
'\" -*- coding: UTF-8 -*-
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.\" A man page for fstab-decode(8).
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.\"
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.\" Copyright (C) 2006 Red Hat, Inc. All rights reserved.
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.\"
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.\" This copyrighted material is made available to anyone wishing to use,
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.\" modify, copy, or redistribute it subject to the terms and conditions of the
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.\" GNU General Public License v.2.
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.\"
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.\" This program is distributed in the hope that it will be useful, but WITHOUT
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.\" ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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.\" FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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.\" more details.
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.\"
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.\" You should have received a copy of the GNU General Public License along
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.\" with this program; if not, write to the Free Software Foundation, Inc.,
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.\" 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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.\"
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.\" Author: Miloslav Trmac <mitr@redhat.com>
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.TH FSTAB-DECODE 8 "May 2006" "sysvinit @VERSION@" "Linux System Administrator's Manual"
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.SH NAME
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fstab-decode \- run a command with fstab-encoded arguments
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.SH SYNOPSIS
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\fBfstab-decode\fR \fICOMMAND\fR [\fIARGUMENT\fR]...
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.SH DESCRIPTION
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.B fstab-decode
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decodes escapes (such as newline characters and other whitespace)
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in the specified \fIARGUMENT\fRs and uses them to run \fICOMMAND\fR.
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The argument escaping uses the same rules as path escaping in
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\fI/etc/fstab\fR, \fI/etc/mtab\fR and \fI/proc/mtab\fR.
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In essence \fBfstab-decode\fR can be used anytime we want to pass multiple
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parameters to a command as a list of command line arguments. It turns output
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like this:
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.nf
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/root
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/mnt/remote-disk
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/home
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Into one long list of parameters, "/root /mnt/remote-disk /home". This
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can be useful when trying to work with multiple filesystems at once. For
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instance, we can use it to unmount multiple NFS shares. This program also
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removes whitespace and other characters which might cause programs such
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as \fBmount\fR(8) or \fBumount\fR(8) to fail.
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.SH EXIT STATUS
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.B fstab-decode
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exits with status 127 if
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.I COMMAND
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can't be run.
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Otherwise it exits with the status returned by \fICOMMAND\fR.
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.SH EXAMPLES
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The following example reads \fIfstab\fR, finds all instances of VFAT filesystems
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and prints their mount points (argument 2 in the \fIfstab\fR file).
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\fBfstab-decode\fR then runs the specified program, \fBumount\fR(8), and passes
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it the list of VFAT mountpoints. This unmounts all VFAT partitions.
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.nf
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.B fstab-decode umount $(awk \[aq]$3 == \[dq]vfat\[dq] { print $2 }\[aq] /etc/fstab)
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.fi
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.SH SEE ALSO
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.BR fstab (5)
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