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diff - 输出行号

我想使用 cli 工具进行文件比较,并且在输出行之前需要行号,这有助于我可以跳转到行差异,因为我使用的工具可以了解跳转的位置,如果行是这样开始的 :line-number: regular line contents

所以我尝试了diff,阅读文档似乎是可能的:

  -D, --ifdef=NAME                output merged file with `#ifdef NAME' diffs
      --GTYPE-group-format=GFMT   format GTYPE input groups with GFMT
      --line-format=LFMT          format all input lines with LFMT
      --LTYPE-line-format=LFMT    format LTYPE input lines with LFMT
    These format options provide fine-grained control over the output
      of diff, generalizing -D/--ifdef.
    LTYPE is `old', `new', or `unchanged'.  GTYPE is LTYPE or `changed'.
    GFMT (only) may contain:
      %<  lines from FILE1
      %>  lines from FILE2
      %=  lines common to …
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