A background program of my server can process strings, like this: tool –text “my string, hello world”But what if the string to be processed already contains the ” symbol? How should this parameter be passed? For example: tool –text “my string, “hello world””It went wrong. Can I handle string parameters Read more…
I tried to use exec function to run pandoc command line tool to do my task, but there had been an error code 43. It made me felt confused, so I redirected the output flow to a local file. Analyze the debug file, I got the following info. But the Read more…
When you use php to execute shell script to handle file, the filename may have to be preprocessing due to a few special characters. It’s better to set character encoding before running shell command.
We have to create zip file from output folder. After that users can download the result. Install zipfile module for python. pip install zipfile36 Use it in our python script to generate zip file. import sys, fitz # import the bindings if sys.version_info >= (3, 6): import zipfile else: import Read more…
I always get the error code 127 from my web application. I didn’t figure it out because it’s successful to run the program in the shell environment. The core logic in the calling function is like the following code snippet.