gs:tldr:0eb02

gs: Extract pages from a PDF file.

$ gs -dQUIET -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=${output-pdf} ${input-pdf}

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This command is using Ghostscript, a versatile software tool for manipulating PDF files, to perform a specific task. Here is a breakdown of the provided command:

gs - Calls the Ghostscript executable.

-dQUIET - Sets the processing to be quiet, suppressing unnecessary output and messages.

-dBATCH - Exits Ghostscript after processing all input files specified.

-dNOPAUSE - Disables the initial prompt and any pause that would normally occur after processing each page.

-sDEVICE=pdfwrite - Specifies the output device to convert the input file(s) to PDF. In this case, it will be creating a PDF output.

-sOutputFile=${output-pdf} - Indicates the path and name of the output file. ${output-pdf} suggests that the command is expecting a variable named output-pdf, and the value should be substituted in this place. (Note: The actual value of the variable may depend on the context in which this command is being used.)

${input-pdf} - Similar to the previous option, it implies that the command is expecting a variable input-pdf containing the path and name of the input PDF file to be processed. Again, the specific value of this variable would be provided elsewhere.

Overall, this command is likely used to convert a given input PDF to a different PDF file, as specified by $input-pdf and $output-pdf variables.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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