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16 lines
312 B
Plaintext
16 lines
312 B
Plaintext
: mv-if-diff file1 file2
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: move file1 to file2 if file1 and file2 are different.
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if test $# -lt 2 ; then
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echo "usage: $0 file1 file2"
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echo "move file1 to file2 if file1 and file2 are different."
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exit 1
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fi
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if cmp $1 $2 >/dev/null 2>&1; then
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echo "File $2 not changed."
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rm -f $1
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else
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rm -f $2
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mv $1 $2
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fi
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