找到两张图片并将它们转换为.pdf

Question 1

您可以使用 find 进行如下操作：

find path/ -type f -name '[xy]\.jpg' -exec convert {} {}\.pdf \;

然后将命名这些文件，x.jpg.pdf并且y.jpg.pdf.find采用正则表达式作为名称模式，因此您可以批量对许多文件执行此操作，只需使用正确的正则表达式即可。但是，这只会为每个图像创建两个单独的 PDF 文件。

要将它们全部放入一个 PDF 文件中，您可以使用以下命令：

# create a directory in /tmp
mkdir /tmp/output
# find all the images and convert them to single standing PDF files
# then move them to the output directory
find path/ -type f -name '[xy]\.jpg' -exec convert {} {}\.pdf \; -exec mv {}\.pdf /tmp/output/ \;
# now join them all together to a single file
pdfunite /tmp/output/* ~/output.pdf
# normally the system clean up /tmp on restart, but we clean up ourselves
rm -r /tmp/output

在这里您也需要适当的正则表达式来查找所有文件，但其余部分并不限制您像这样搜索的文件数量。

当然，您可以从中编写一个 bash 脚本：

#!/bin/bash
# create a directory in /tmp
tmpdir="$(mktemp -d)"
# find all the images and convert them to single standing PDF files
# then move them to the output directory
find "$1" -type f -name "$2" -exec convert {} {}\.pdf \; -exec mv {}\.pdf "$tmpdir" \;
# now join them all together to a single file
pdfunite "$tmpdir"/* "$3"
# normally the system clean up /tmp on restart, but we clean up ourselves
rm -r "$tmpdir"

将其另存为script.sh并执行，chmod 755 script.sh现在您可以像这样调用它：

# usage script.sh [PATH] '[PATTERN]' [OUTPUT-FILE]
./script.sh path/ '[xy]\.jpg' ~/output.pdf

纳入@甜点的建议更改脚本变成了这样，但工作原理相同：

#!/bin/bash
# create a directory in /tmp
tmpdir="$(mktemp -d)"
# find all the images and convert them to single standing PDF files
# then move them to the output directory
find "$1" -type f -name "$2" -exec sh -c 'convert "$1" "$0/${1##*/}.pdf"' $tempdir "{}" \;
# now join them all together to a single file
pdfunite "$tmpdir"/* "$3"
# normally the system clean up /tmp on restart, but we clean up ourselves
rm -r "$tmpdir"

玩得开心。

Answer