xmengnet/the-art-of-command-line
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One-liner to show colored, normalized JSON diffs.

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Joshua Levy 2019-05-27 15:27:37 -07:00 committed by GitHub
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@ -364,6 +364,11 @@ A few examples of piecing together commands:
sort a b b | uniq -u > c # c is set difference a - b
```
- Pretty-print two JSON files, normalizing their syntax, then coloring and paginating the result:
```
diff <(jq --sort-keys . < file1.json) <(jq --sort-keys . < file2.json) | colordiff | less -R
```
- Use `grep . *` to quickly examine the contents of all files in a directory (so each line is paired with the filename), or `head -100 *` (so each file has a heading). This can be useful for directories filled with config settings like those in `/sys`, `/proc`, `/etc`.