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30 lines
638 B
Plaintext
30 lines
638 B
Plaintext
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#! /bin/sh
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#
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# check_files listfile m3dir sysdir
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#
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# The listfile must contain a list of filenames, one per line. It is read,
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# and all leading instances of m3dir are replaced with sysdir. If all
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# the resulting files exist and are readable, then sysdir is echoed to
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# the standard output. Otherwise, nothing is echoed. In any event, the
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# exit status is successful.
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if [ $# -ne 3 ]; then
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echo "Usage: $0 listfile m3dir sysdir" >&2
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exit 1
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fi
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listfile=$1
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m3dir=$2
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sysdir=$3
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result=${sysdir}
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for i in $(sed "s,^${m3dir},${sysdir}," ${listfile}); do
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if [ ! -r $i ]; then
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result=
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break
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fi
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done
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echo ${result}
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exit 0
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