라벨이 RHEL PDF Content Check인 게시물 표시

Checking if the First Page of a PDF Contains Text and Images on RHEL

## How to Verify Text and Images on the First Page of a PDF in RHEL - There are times when you need to check if a PDF file consists solely of text or if it includes images or a mix of elements. - In particular, there may be cases where it’s essential to confirm if both text and images are present on the first page. This task can be performed efficiently on RHEL using "pdfimages", "pdftotext", and "pdfgrep". --- ### Prerequisites: Installing Required Packages - First, install "pdfimages", "pdftotext", and "pdfgrep" on your RHEL environment. - Generally, RHEL provides these tools through the **Poppler** and **PDFgrep** packages. To install "poppler-utils": ``` sudo yum install poppler-utils ``` To install "pdfgrep": ``` sudo yum install pdfgrep ``` --- ### 1. Checking if an Image is Present on the First Page - The "pdfimages" command is a valuable tool included in the Poppler package for...

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키움 OPEN API MFC 개발 (1)