pdffonts:tldr:d8d68
The command "pdffonts -loc ${filename-pdf}" is a command-line instruction to analyze and display information about the fonts used in a PDF document.
Let's break down the command:
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"pdffonts" is the name of the command or program being executed. It is a utility tool commonly found in Linux and Unix-based systems for analyzing PDF files.
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"-loc" is an option or flag that is passed to the "pdffonts" command. This specific flag requests the utility to display the font location information in addition to other font details.
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"${filename-pdf}" is a placeholder or a variable that needs to be replaced with the actual filename of the PDF document you want to analyze. In command-line usage, variables are enclosed in curly braces and prefixed with a dollar sign. In this case, it suggests that you should replace "${filename-pdf}" with the actual name of the file, including the ".pdf" extension.
Once you replace "${filename-pdf}" with the PDF's actual filename, running the command will execute the "pdffonts" program and display a table with details about the fonts used in the specified PDF document. Additionally, with the "-loc" flag, it will also show the font file location on the system, providing information about system fonts and their paths within the PDF.