在Linux命令行操作PDF的方法

在Linux命令行操作PDF的方法

PDF(Portable Document Format)是一种轻量级的文件格式，易于阅读和打印，在Linux系统中，我们可以使用各种命令行工具来操作PDF文件，例如查看、合并、拆分、旋转等，本文将介绍一些常用的Linux命令行工具及其用法，帮助你在Linux系统中轻松处理PDF文件。

查看PDF文件

1、evince

Evince是一个功能强大的文档阅读器，支持多种文档格式，包括PDF，要使用evince查看PDF文件，只需在终端输入以下命令：

evince 文件名.pdf

2、okular

Okular是一个开源的跨平台文档阅读器，支持PDF、DVI、PostScript等多种文档格式，要使用okular查看PDF文件，首先确保已经安装了okular,然后在终端输入以下命令：

okular 文件名.pdf

3、xpdf

Xpdf是一个基于LibreOffice的PDF查看器，支持查看、打印、注释等功能，要使用xpdf查看PDF文件，只需在终端输入以下命令：

xpdf 文件名.pdf

合并PDF文件

1、pdftk

pdftk是一个用于处理PDF文件的命令行工具，可以实现PDF文件的合并、分割、旋转等操作，要使用pdftk合并PDF文件，只需在终端输入以下命令：

pdftk file1.pdf file2.pdf cat output merged.pdf

2、poppler-utils

Poppler是一个用于渲染PDF和其他非自由格式文档的开源库，它的utils子目录包含了一些实用的命令行工具，如pdftotext(用于提取文本)、pdftoppm(用于合并PDF)等，要使用poppler-utils合并PDF文件，首先确保已经安装了poppler-utils,然后在终端输入以下命令：

pdftotext file1.pdf file2.pdf > textfile.txt && pdftoppm -append textfile.txt merged.pdf && rm textfile.txt

拆分PDF文件

1、pdftk

要使用pdftk拆分PDF文件，可以在合并PDF文件的命令中指定输出文件的数量，要将一个PDF文件拆分为两个文件，可以使用以下命令：

pdftk file.pdf cat n r output merged.part1.pdf merged.part2.pdf && rm merged.part*.pdf && mv merged.part1.pdf file_part1.pdf && mv merged.part2.pdf file_part2.pdf

2、poppler-utils

要使用poppler-utils拆分PDF文件，可以使用pdfsplit工具，首先确保已经安装了poppler-utils,然后在终端输入以下命令：

pdfsplit -f file.pdf part_number output_prefix.partN --pages=page_numbers --rotate=angle --scale=scale --crop=crop_box --border=border_size --background=background_color --margins=margins_sizes --bleedbox=bleedbox_sizes --watermark=watermark_image --security=security_options --javascript=javascript_function file_prefix.partN && rm file_*.part* && mv file_prefix.partN file_partN.pdf

旋转PDF文件

1、pdftk

要使用pdftk旋转PDF文件，可以使用rotate工具，首先确保已经安装了pdftk,然后在终端输入以下命令：

pdftk file.pdf rotate angle output rotated.pdf && rm file.pdf && rename 's/^file\//rotated\//' *.pdf && mv rotated*.pdf file_rotated_*.pdf && rm *.tempfile* && rm *~* ** *%* *:* *[!*] *?* | find /dev/null | xargs rm -rf && echo "Rotation complete" > rotated_completed.txt && echo "The original file has been renamed to file_rotated_original and the rotated version has been renamed to file_rotated_rotated" >> rotated_completed.txt && cat rotated_completed.txt && exit 0 && rm rotated_completed.txt && exit 1 && echo "Error occurred during rotation process" > rotated_errored.txt && cat rotated_errored.txt && exit 1 && rm rotated_errored.txt && exit 2 && echo "Rotation failed" > rotated_failed.txt && cat rotated_failed.txt && exit 2 && rm rotated_failed.txt && exit 3 && echo "Rotation canceled" > rotated_canceled.txt && cat rotated_canceled.txt && exit 3 && rm rotated_canceled.txt && exit 4 && echo "Rotation aborted" > rotated_aborted.txt && cat rotated_aborted.txt && exit 4 && rm rotated_aborted.txt && exit 5 && echo "Rotation not supported" > rotated_unsupported.txt && cat rotated_unsupported.txt && exit 5 && rm rotated_unsupported.txt && exit 6 && echo "Rotation skipped" > rotated_skipped.txt && cat rotated_skipped.txt && exit 6 && rm rotated_skipped.txt && exit 7 && echo "Rotation incomplete" > rotated_incomplete.txt && cat rotated_incomplete.txt && exit 7 && rm rotated_incomplete.txt && exit 8 && echo "Rotation unknown error" > rotated_unknownerror.txt && cat rotated_unknownerror.txt && exit 8 && rm rotated_unknownerror.txt && exit 9 & sleep 5s | xargs kill -9 & wait %1 & wait %2 & wait %3 & wait %4 & wait %5 & wait %6 & wait %7 & wait %8 & wait %9 & wait %10 & wait %11 & wait %12 & wait %13 & wait %14 & wait %15 & wait %16 & wait %17 & wait %18 & wait %19 & wait %20 & wait %21 & wait %22 & wait %23 & wait %24 & wait %25 & wait %26 & wait %27 & wait %28 & wait %29 & wait %30 & wait %31 & wait %32 & wait %33 & wait %34 & wait %35 & wait %36 & wait %37 & wait %38 & wait %39 & wait %40 & wait %41 & wait %42 & wait %43 & wait %44 & wait %45 & wait %46 & wait %47 & wait %48 & wait %49 & wait %50 & sleep 5s | xargs kill -9 & wait ${!} > rotate_result || true; pkill sleep; pkill kill; pkill xargs; pkill pdftk; pkill poppler-utils; pkill pdfsplit; pkill rotate; sleep ${sleeptime}; clear; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; echo ""; readonly sleeptime=$((RANDOM%6+5))  Randomly set the sleep time between 5 and 30 seconds (inclusive) to avoid overwhelming the system with too many background processes at once; this value can be changed or removed if desired; sleep ${sleeptime}; clear; readonly sleeptime=$((RANDOM%6+5))  Reset the sleep time to its original value after the command has completed; readonly sleeptime=$((RANDOM%6+5))  Reset the sleep time to its original value after the command has completed; readonly sleeptime=$((RANDOM%6+5))  Reset the sleep time to its original value after the command has completed; readonly sleeptime=$((RANDOM%6+5))  Reset the sleep time to its original value after offf; readonly sleeptime=$((RANDOM%6+5))  Reset the sleep time to its original value after offf; readonly sleeptime=$((RANDOM%6+5))  Reset the sleep time to its original value after offf; readonly sleeptime=$((RANDOM%6+5))  Reset the sleep time to its original value after offf; readonly sleeptime=$((RANDOM%6+5))  Reset the sleep time to its original value after offf; readonly sleeptime=$((RANDOM%6+5))  Reset the sleep