shell

问题 Take the shell command "cat file.txt" as an example. With Popen, this could be run with import subprocess task = subprocess.Popen("cat file.txt", shell=True, stdout=subprocess.PIPE) data = task.stdout.read() With check_output, one could run import subprocess command=r"""cat file.log""" output=subprocess.check_output(command, shell=True) These appears to be equivalent. What is the difference with regards to how these two commands would be used? 回答1: Popen is the class that defines an object

问题 Take the shell command "cat file.txt" as an example. With Popen, this could be run with import subprocess task = subprocess.Popen("cat file.txt", shell=True, stdout=subprocess.PIPE) data = task.stdout.read() With check_output, one could run import subprocess command=r"""cat file.log""" output=subprocess.check_output(command, shell=True) These appears to be equivalent. What is the difference with regards to how these two commands would be used? 回答1: Popen is the class that defines an object

问题 I'm trying to use the iWshRuntimeLibrary. When I 'publish' my app, all is well. When I try to create a setup wizard project however, It builds and installs my project, but shows the following error at launch. Could not load file or assembly 'Interop.IWshRuntimeLibrary, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified. After I click OK, the app seems to proceed as normal. I've set my project to build against .NET 3.5,

问题 How to make a comparison between the first sentence of the second sentence and the first sentence with the third sentence and so on, and calculate the similarity using shell script or bash I have a sentences containing duplicate words, for example, the input data in file my_text.txt and should ignore duplicated words per sentence, filler words, and non-alphabetical characters. Shell Script Linux Shell Script Shell or bash are fun I used this shell script to find similarity words=$( < my_text

问题 How to make a comparison between the first sentence of the second sentence and the first sentence with the third sentence and so on, and calculate the similarity using shell script or bash I have a sentences containing duplicate words, for example, the input data in file my_text.txt and should ignore duplicated words per sentence, filler words, and non-alphabetical characters. Shell Script Linux Shell Script Shell or bash are fun I used this shell script to find similarity words=$( < my_text

问题 I am trying to generate docsets for Dash following these instructions: http://kapeli.com/docsets. The problem is, that the script doesn't continue after the wget and doesn't appear to throw any errors. Everything works fine when I copy the script into the Terminal. I'm using MacOS 10.8.4 and the default bash. #!/usr/bin/env bash set -e mkdir -p $1.docset/Contents/Resources/Documents/ echo "THIS RUNS" wget -rkp -l3 -np -nH --cut-dirs=1 --directory-prefix="./"$1".docset/Contents/Resources

问题 I am trying to generate docsets for Dash following these instructions: http://kapeli.com/docsets. The problem is, that the script doesn't continue after the wget and doesn't appear to throw any errors. Everything works fine when I copy the script into the Terminal. I'm using MacOS 10.8.4 and the default bash. #!/usr/bin/env bash set -e mkdir -p $1.docset/Contents/Resources/Documents/ echo "THIS RUNS" wget -rkp -l3 -np -nH --cut-dirs=1 --directory-prefix="./"$1".docset/Contents/Resources

问题 I'm trying to create a very simple shell script that opens and runs five instances of my program. With batch, I would do something like this: @echo off python webstore.py 55530 python webstore.py 55531 python webstore.py 55532 exit That would open three terminals and run the commands on each of them with different command line parameter. How would I create the same with a shell script that runs on every single unix-based platform? I've seen some commands for opening terminals, but they are

问题 I'm trying to create a very simple shell script that opens and runs five instances of my program. With batch, I would do something like this: @echo off python webstore.py 55530 python webstore.py 55531 python webstore.py 55532 exit That would open three terminals and run the commands on each of them with different command line parameter. How would I create the same with a shell script that runs on every single unix-based platform? I've seen some commands for opening terminals, but they are

问题 I have a question about validating user input regarding number of arguments passed by the user in a bash script. For example, if I use: if [[ $# -eq 2 ]] then... that will check if 2 arguments passed from the command line like this: ./somescript.sh arg1 arg2 but how to validate if user passed 2 arguments when asked? For example: echo "Type 2 names:" read... if [[ user passed more || less than 2 arguments]] echo "incorrect number of names" Now if I try to use $# -eq 2 it doesn't work. What's