Skip to content

Instantly share code, notes, and snippets.

@jduckles

jduckles/scanned_pdf.sh

Last active June 27, 2024 13:13
Show Gist options
  • Save jduckles/29a7c5b0b8f91530af5ca3c22b897e10 to your computer and use it in GitHub Desktop.
Save jduckles/29a7c5b0b8f91530af5ca3c22b897e10 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. jduckles revised this gist May 12, 2020. 1 changed file with 4 additions and 2 deletions.
    6 changes: 4 additions & 2 deletions scanned_pdf.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,7 +1,9 @@
    #!/bin/bash

    # Make a PDF look scanned.
    # Extracted from https://github.com/baicunko/scanyourpdf and modified for smaller output files (compression lower density).

    INPUT_FILE=$1
    /usr/local/bin/convert -density '150' ${INPUT_FILE} -colorspace 'gray' -linear-stretch '3.5%x10%' \
    -blur '0x0.5' -attenuate '0.25' +noise Gaussian -rotate 0.5 scanned_${INPUT_FILE}
    /usr/local/bin/convert -density '80' ${INPUT_FILE} -colorspace 'gray' -linear-stretch '3.5%x10%' \
    -blur '0x0.5' -attenuate '0.25' +noise Gaussian -rotate 0.5 \
    -compress lzw -quality 50 scanned_${INPUT_FILE}
  2. jduckles created this gist May 12, 2020.
    7 changes: 7 additions & 0 deletions scanned_pdf.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,7 @@
    #!/bin/bash

    # Make a PDF look scanned.

    INPUT_FILE=$1
    /usr/local/bin/convert -density '150' ${INPUT_FILE} -colorspace 'gray' -linear-stretch '3.5%x10%' \
    -blur '0x0.5' -attenuate '0.25' +noise Gaussian -rotate 0.5 scanned_${INPUT_FILE}