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55 lines
1.7 KiB
Bash
Executable File
55 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Validate truncate parameter combinations
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# Copyright (C) 2008-2011 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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print_ver_ truncate
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# must specify at least 1 file
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truncate --size=0 && fail=1
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# must specify size. don't default to 0
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truncate file && fail=1
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# mixture of absolute size & reference not allowed
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truncate --size=0 --reference=file file && fail=1
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# blocks without size is not valid
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truncate --io-blocks --reference=file file && fail=1
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# must specify valid numbers
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truncate --size="invalid" file && fail=1
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# spaces not significant around size
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truncate --size="> -1" file && fail=1
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truncate --size=" >1" file || fail=1 #file now 1
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truncate --size=" +1" file || fail=1 #file now 2
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test $(stat --format %s file) = 2 || fail=1
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# reference allowed with relative size
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truncate --size=" +1" -r file file || fail=1 #file now 3
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test $(stat --format %s file) = 3 || fail=1
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# reference allowed alone also
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truncate -r file file || fail=1 #file still 3
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test $(stat --format %s file) = 3 || fail=1
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truncate -r file file2 || fail=1 #file2 now 3
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test $(stat --format %s file2) = 3 || fail=1
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Exit $fail
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