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-o FILE --output=FILE
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Operate interactively, sending output to FILE.
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-i --ignore-case
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Consider upper- and lower-case to be the same.
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-E --ignore-tab-expansion
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Ignore changes due to tab expansion.
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-b --ignore-space-change
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Ignore changes in the amount of white space.
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-W --ignore-all-space
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Ignore all white space.
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-B --ignore-blank-lines
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Ignore changes whose lines are all blank.
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-I RE --ignore-matching-lines=RE
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Ignore changes whose lines all match RE.
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--strip-trailing-cr
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Strip trailing carriage return on input.
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-a --text
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Treat all files as text.
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-w NUM --width=NUM
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Output at most NUM (default 130) columns per line.
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-l --left-column
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Output only the left column of common lines.
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-s --suppress-common-lines
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Do not output common lines.
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-t --expand-tabs
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Expand tabs to spaces in output.
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-d --minimal
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Try hard to find a smaller set of changes.
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-H --speed-large-files
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Assume large files and many scattered small changes.
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--diff-program=PROGRAM
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Use PROGRAM to compare files.
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-v --version
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Output version info.
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--help
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Output this help.
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If a FILE is ‘-’, read standard input.