Recent questions tagged shell

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shell - Java library to run multiple unrelated commands on a remote server via ssh

My Java application has to work like this: User select bash commands in GUI and press "send." Application return distinct and independent answers for ... this end in timeouts and connection lost usually. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - Passed command line argument in double quotes to curl

My script is taking the command line argument and it needs to pass this to curl command in double quotes. This is the simplified version of what I ... http://someURL But its not working. Please help See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - Git clone with password @

I need to escape the @ that use the password because it is confused with the host. Example 1: git clone https://user:[email protected]@github.com/user/repo.git ... use to change the root password on a line only. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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564 views

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shell - sass --watch process is locking up my terminal window

I'm working on a shell script to optimize my build process on a web/front end project. I'm using sass to enhance css development and the ... all day and keep the build process running smoothly. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - How are CMake execute_process commands run?

I've got the following lines in my CMakeLists.txt file. I'm running CMake 3.5.2 on Windows 7, and using Visual Studio 12 2013 as the ... what environment/shell/whatever these commands are being run in? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - Why is an extra file being created in FOR loop of batch program?

I've written the following batch file to create multiple files using FOR loop: @echo off cls FOR /L %%i IN (1 1 10) DO ( echo.> file%%i.txt ... logical issue is causing the creation of this extra file ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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615 views

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shell exec - How do I to properly handle spaces in PHP Shell_exec?

I'm running on win2003 server, PHP 526, via the cmd-line. I have a cmdline string: $cmd = ' "d:Prog Filesfoo.exe" -p "d:data ... successfully. How do I properly handle spaces in PHP shell_exec? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - How to get PowerShell to keep a command window open?

When I run a program on PowerShell it opens a new window and before I can see the output, the window closes. How do I make it so PowerShell keeps this window open? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - Read file line by line and perform action for each in bash

I have a text file, it contains a single word on each line. I need a loop in bash to read each line, then perform a command each time ... .txt. For each in testfile.txt { some_function linefromtestfile } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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516 views

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shell - FFmpeg 3.3.4 avfoundation to record only a specific section of the screen on macOS Sierra using the command line

I'm using FFmpeg version 3.3.4 (installed via brew) through the command line to record my desktop during some automated tests on my macOS Sierra (10.12.6 ... set the video frame size, but it doesn't work. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - Let bash loop over unknown number of variables

I have a file where a bunch of variables are defined. It could be one, four or twenty. They have names such as ipt_rss and bhd_rss. Let's call ... "Success finding $var_i" done How can I accomplish that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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768 views

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shell - expect script error $argv not found

I have the following shell(/expect) script. #!/bin/bash expect -c ' set user [lindex $argv 0] set password [lindex $argv 1] set ipaddr [lindex ... with actual value the script runs. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - How to increase value of a text variable in a file

file1.text contains below data. VARIABLE=00 RATE=14 PRICE=100 I need to increment value by 1 only for below whenever I want. VARIABLE=00 file name: file1.txt ... =01 in next run VARIABLE=02 and so on.... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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698 views

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shell - How to execute '<(cat fileA fileB)' using python?

I am writing a python program that uses other software. I was able to pass the command using subprocess.popen. I am facing a new problem: I need to ... my question here. Thanks ahead for all your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - How to use Bash parameter substitution in a Makefile?

I've the following Makefile where I'd like to use Bash parameter substitution syntax as below: SHELL:=/bin/bash Foo=Bar all: @echo ${Foo} @echo ${Foo/ ... } OK How can I use the above syntax in Makefile? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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896 views

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shell - Convert text file with key=value pair to specific json format in jq

I have a text file with following values in input.txt key1=value1 key2=value2 key3=value3 key4=value4 need the jq rexpression to convert it to below json format by ... value3 " }, { "key4": "value4" } ] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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545 views

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shell - Efficient way to get ip addresses based on a list of hostnames

I had to gather a list of IP addresses from a list of hostnames, this is what I came up with: #!/bin/bash Hosts='host1 host2 host3 host4 host5 host6 ... ') done Is there a more efficient way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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559 views

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shell - What is the rationale behind variable assignment without space in bash script

I am trying to write an automate process for AWS that requires some JSON processing and other things in bash script. I am following a few ... why? explanation with examples are highly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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726 views

1 answer

shell - Stop expanding wildcard symbols in command line arguments to Java

My program has to watch for files which match a mask. The folder name and mask are passed through command line arguments. But the mask is replaced by the ... bad idea, but I think there exists better way. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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659 views

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shell - What does the "$#" special parameter mean in Bash?

I've come across the code if [ $# -eq 1 ]; then echo "usage: Phar ~/flashmem ~/archive" exit fi I've never come across [ $# -eq 1 ]; before and I can't seem to find a meaning. What does it do? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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492 views

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shell - Bash variable gets butchered when being inserted into cURL command

The first part of the script looks like: curl -k -X POST -H "Content-Type: application/x-www-form-urlencoded" -H "Cache-Control: no-cache" -d 'username= ... "Doe", ??} }? ' "https://randomurl.com" See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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534 views

1 answer

shell - how to find continuous blank lines and convert them to one

I have a file -- a, and exist some continues blank line(more than one), see below: cat a 1 2 3 4 5 So first I want to know if exist ... also I want to know if exist other manner could implement this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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573 views

1 answer

shell - Python won't run due to ImportError: cannot import MAXREPEAT

I am new to python but have been using both IDLE and EricIDE for a few weeks without any major problems. I was editing a program I had ... AttributeError: 'module' object has no attribute 'MAXREPEAT' See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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544 views

1 answer

shell - How can I launch VI from within Java under commons-exec?

I would like to be able to launch VI from within my Java program and wait for the user to quit VI before proceeding. Here's the code snippet that ... must have done this before - help! Thanks, Mark See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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854 views

1 answer

shell - How to install recursively my directories and files in BitBake recipe

I would like to install/copy all my directories and files recursively from working directory to my target package rootfs on yocto build system. I tried ... missing any. please suggest if any other way. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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556 views

1 answer

shell - Docker Copying file from host to container

I am trying to copy a set of files from docker host to container. On a AUFS system directly going into /var/lib/docker/aufs/... works. However I am ... is 1.6.0 and container image is based on RHEL. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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668 views

1 answer

shell - append a text on the top of the file

I want to add a text on the top of my data.txt file, this code add the text at the end of the file. how I can modify this code to write the text ... '>>data.txt'); print MYFILE "Title "; close (MYFILE) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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733 views

1 answer

shell - Convert .txt file to .csv with header in bash

.txt looks like: 2013-04-10;248179;5431;5375.30€;1.49 .. .. .. I need a .csv file with a Header: Date Visit Login Euro Rate 2013-04-10 248179 5431 ... .. .. Is there a way to get this result with BASH? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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