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36
tests/tail-2/start-middle
Executable file
36
tests/tail-2/start-middle
Executable file
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#!/bin/sh
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# Verify that tail works even when it's reading from a file
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# that is not at its beginning.
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if test "$VERBOSE" = yes; then
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set -x
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tail --version
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fi
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pwd=`pwd`
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tmp=tail-mid.$$
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trap 'status=$?; cd $pwd; rm -rf $tmp && exit $status' 0
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trap '(exit $?); exit' 1 2 13 15
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framework_failure=0
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mkdir $tmp || framework_failure=1
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cd $tmp || framework_failure=1
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(echo 1; echo 2) > k || framework_failure=1
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if test $framework_failure = 1; then
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echo '$0: failure in testing framework' 1>&2
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(exit 1); exit
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fi
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fail=0
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sh -c 'read x; tail' < k > out || fail=1
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cat <<EOF > exp
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2
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EOF
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cmp out exp || fail=1
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test $fail = 1 && diff out exp 2> /dev/null
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(exit $fail); exit
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