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Jp

dead simple terminal plots from JSON data. single binary, no dependencies. linux, osx, windows.

Install / Use

/learn @sgreben/Jp
About this skill

Quality Score

0/100

Supported Platforms

Universal

README

jp

Dead simple terminal plots from JSON (or CSV) data. Bar charts, line charts, scatter plots, histograms and heatmaps are supported.

Build Status

Screenshot

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Get it

go get -u github.com/sgreben/jp/cmd/jp

Or download the binary from the releases page.

# Linux
curl -LO https://github.com/sgreben/jp/releases/download/1.1.12/jp_1.1.12_linux_x86_64.zip
unzip jp_1.1.12_linux_x86_64.zip

# OS X
curl -LO https://github.com/sgreben/jp/releases/download/1.1.12/jp_1.1.12_osx_x86_64.zip
unzip jp_1.1.12_osx_x86_64.zip

# Windows
curl -LO https://github.com/sgreben/jp/releases/download/1.1.12/jp_1.1.12_windows_x86_64.zip
unzip jp_1.1.12_windows_x86_64.zip

Use it

jp reads JSON (or CSV) on stdin and prints plots to stdout.

Usage of jp:
  -type value
    	Plot type. One of [line bar scatter hist hist2d] (default line)
  -x string
    	x values (JSONPath expression)
  -y string
    	y values (JSONPath expression)
  -xy string
    	x,y value pairs (JSONPath expression). Overrides -x and -y if given.
  -bins uint
        Number of histogram bins (default 0 (auto))
  -input value
        Input type. One of [json csv] (default json)
  -height int
    	Plot height (default 0 (auto))
  -width int
    	Plot width (default 0 (auto))
  -canvas value
    	Canvas type. One of [full full-escape full-bw full-wb quarter braille auto] (default auto)

Examples

Bar chart

Separate X and Y values

$ < examples/tcp-time.json jp -x ..Label -y ..Count -type bar

         69
    █████████████
    █████████████
    █████████████
    █████████████
    █████████████
    █████████████      21
    █████████████ █████████████       7             2             1
    █████████████ █████████████ ▄▄▄▄▄▄▄▄▄▄▄▄▄ ▁▁▁▁▁▁▁▁▁▁▁▁▁ ▁▁▁▁▁▁▁▁▁▁▁▁▁

     46.85267ms    48.38578ms    49.91889ms     51.452ms     52.98511ms

XY pairs

$ < examples/tcp-time.json jp -xy "..[Label,Count]" -type bar

         69
    █████████████
    █████████████
    █████████████
    █████████████
    █████████████
    █████████████      21
    █████████████ █████████████       7             2             1
    █████████████ █████████████ ▄▄▄▄▄▄▄▄▄▄▄▄▄ ▁▁▁▁▁▁▁▁▁▁▁▁▁ ▁▁▁▁▁▁▁▁▁▁▁▁▁

     46.85267ms    48.38578ms    49.91889ms     51.452ms     52.98511ms

Y values only (X=index)

$ < examples/tcp-time.json jp -y ..Count -type bar

         69
    █████████████
    █████████████
    █████████████
    █████████████
    █████████████
    █████████████      21
    █████████████ █████████████       7             2             1
    █████████████ █████████████ ▄▄▄▄▄▄▄▄▄▄▄▄▄ ▁▁▁▁▁▁▁▁▁▁▁▁▁ ▁▁▁▁▁▁▁▁▁▁▁▁▁

          0             1             2             3             4

Array data

$ echo '[[-3, 5], [-2, 0], [-1, 0.1], [0, 1], [1, 2], [2, 3]]' | jp -xy '[*][0, 1]' -type bar

         5
    ███████████
    ███████████
    ███████████                                                      3
    ███████████                                                 ▄▄▄▄▄▄▄▄▄▄▄
    ███████████                                          2      ███████████
    ███████████                              1      ███████████ ███████████
    ███████████                 0.1     ▄▄▄▄▄▄▄▄▄▄▄ ███████████ ███████████
    ███████████      0      ▁▁▁▁▁▁▁▁▁▁▁ ███████████ ███████████ ███████████

        -3          -2          -1           0           1           2

Line chart

Array data, separate X and Y values

$ jq -n '[range(200)/20 | [., sin]]' | jp -x '[*][0]' -y '[*][1]'
  1.059955│         ▄▄▄▖                                       ▗▄▄▄▖
          │       ▄▀▘  ▝▜▖                                   ▗▞▘   ▝▚
          │      ▟       ▝▄                                 ▗▀       ▜
          │     ▟         ▝▄                               ▗▀         ▜
          │    ▐           ▝▖                             ▗▞           ▚▖
          │   ▗▘            ▝▖                            ▞             ▚
          │  ▗▘              ▚                           ▞               ▌
          │  ▌                ▌                         ▗▘               ▝▖
          │ ▞                 ▝▖                        ▌                 ▚
          │▗▘                  ▚                       ▞                   ▌
          │▌                    ▌                     ▗▘                   ▝▖
          │                     ▝▖                   ▗▘                     ▐
          │                      ▐                   ▞                       ▚
          │                       ▚                 ▐                        ▝▖
          │                       ▝▖               ▗▘                         ▐
          │                        ▐               ▞                           ▚
          │                         ▀▖            ▐
          │                          ▚           ▄▘
          │                           ▙         ▗▘
          │                            ▚       ▄▘
          │                             ▚▄   ▗▞▘
          │                              ▝▀▀▀▘
 -1.059955└─────────────────────────────────────────────────────────────────────
          0                                                                 9.95

Array data, XY pairs

$ jq -n '[range(200)/20 | [., sin]]' | jp -xy '[*][0, 1]'
  1.059955│         ▄▄▄▖                                       ▗▄▄▄▖
          │       ▄▀▘  ▝▜▖                                   ▗▞▘   ▝▚
          │      ▟       ▝▄                                 ▗▀       ▜
          │     ▟         ▝▄                               ▗▀         ▜
          │    ▐           ▝▖                             ▗▞           ▚▖
          │   ▗▘            ▝▖                            ▞             ▚
          │  ▗▘              ▚                           ▞               ▌
          │  ▌                ▌                         ▗▘               ▝▖
          │ ▞                 ▝▖                        ▌                 ▚
          │▗▘                  ▚                       ▞                   ▌
          │▌                    ▌                     ▗▘                   ▝▖
          │                     ▝▖                   ▗▘                     ▐
          │                      ▐                   ▞                       ▚
          │                       ▚                 ▐                        ▝▖
          │                       ▝▖               ▗▘                         ▐
          │                        ▐               ▞                           ▚
          │                         ▀▖            ▐
          │                          ▚           ▄▘
          │                           ▙         ▗▘
          │                            ▚       ▄▘
          │                             ▚▄   ▗▞▘
          │                              ▝▀▀▀▘
 -1.059955└─────────────────────────────────────────────────────────────────────
          0                                                                 9.95

Y values only (X=index)

$ < examples/tcp-time.json jp -y ..Duration
 5.726165e+07│
             │
             │
             │
             │ ▗
             │ ▟
             │ █
             │▐▝▖
             │▐ ▌                                   ▌
             │▐ ▌                                   ▌
             │▌ ▌                                  ▐▚
             │▌ ▌                ▗       ▗         ▐▐    ▌
             │▘ ▌              ▖ ▐      ▞▀▖        ▐▐    ▌
             │  ▚   ▐▚  ▗▀▖   ▗▚ ▌▌    ▗▘ ▌ ▖▗▀▌   ▌▐    █
             │  ▐  ▛▌ ▚▖▞ ▚▐▖ ▞▐ ▌▌ ▗  ▐  ▐▟▐▞ ▚ ▗ ▌▝▖  ▐▐                      ▐
             │  ▐ ▐    ▝  ▝▌▝▀ ▝▟ ▚▗▜  ▞     ▘ ▐▖█▗▘ ▌  ▐▐    ▗  ▄▖     ▄▖      ▌▌
             │  ▝▚▐        ▘    ▘ ▐▘▝▖▄▌        ▝▝▟  ▀▀▚▟ ▌ ▖▞▘▌▐ ▚ ▗▄ ▐ ▚▄▖ ▄ ▄▘▌▞▄▄▀▚   ▄ ▄▗▞▖▞▄▄▚
             │   ▝▌                  ▛            ▌     ▝ ▙▞▝  ▝▘ ▝▚▘ ▀▘   ▝▀ ▀  ▐▘    ▚▞▀ ▀ ▘ ▚▘
             │
             │
             │
             │
 4.446018e+07└──────────────────────────────────────────────────────────────────────────────────────
             0                                                                                    99

Scatter plot

$ < examples/mvrnorm.json jp -xy '..[x,y]' -type scatter

 3.535344│                                 ⠄             ⠄
         │                               ⠈⠂   ⠂       ⡀ ⠂
         │                          ⠐⡀⡀⡂   ⠁  ⢄  ⠁ ⠠
         │                            ⡀    ⠆     ⠈  ⠄⡀        ⠂
         │           ⡀       ⠠  ⡀ ⡀ ⠄  ⡀⠐⠄⠁⠐ ⠠⢆⠠⠂⠂⠄⣀⢈  ⡀⠈ ⡀
         │                     ⡀⠂⠂⠄ ⡀⠂⢔⠠ ⢤⢀⠌⣡⠁⠦⠄⠐⡐⠂⣀⠅⠁⠈ ⠂ ⠈⠁⠁      ⡀     ⠄
         │  ⡀         ⢀  ⠄     ⠈⠠ ⠡⠑⠈⠈⢢⡁⡄⢈⠂⢡⠈⡄⡀⠈⠰⢉⡠⠘⢄⢃⠉⢀⣄⠢⠠⠄ ⠠ ⡀⠁ ⡀ ⠂
         │                   ⠈ ⡂⠈⡁⠈⠄⢂⡹⡐⡡⡆⡥⣙⡶⡼⠱⣅⣅⣼⢗⡱⢐⣈⠑⢁⠂ ⢐⢁⠭⠘⡀  ⠈
         │                ⠁ ⢀⠄⢈⠈⡰⢀⡥⠋⣧⣓⣚⡛⢲⣽⣝⣭⢙⣟⢲⡽⣋⡠⣿⣜⣵⠙⡦⠗ ⣡⠁⠁⠁⠄⠠ ⠄⡂
         │                  ⠄⠌⠌⠡⠉⡐⢯⣵⡏⢵⡞⠂⢰⣽⣷⢛⣯⡣⣷⢭⣞⣏⠤⣾⢡⡻⠢⢊⢠⡠⠸⢄⣃⡀⢁⠐ ⠐⡀ ⠂    ⠄
         │              ⠨ ⡈⠂ 
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GitHub Stars1.3k
CategoryDevelopment
Updated6d ago
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Security Score

100/100

Audited on Mar 28, 2026

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