Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged bash
0
votes
627
views
1
answer
bash if -a vs -e option
Both about -a and -e options in Bash documentation is said: -a file True if file exists. -e file ... result when used inside single brackets? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
689
views
1
answer
bash - How to define a shell script with variable number of arguments?
I would like to define a simple abbreviation of a call to gs (ghostscript) via a shell script. The first ... or myscript *.pdf outfile.pdf. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
601
views
1
answer
bash - How can I make Perl and Python print each line of the program being executed?
I know that bash -x script.sh will execute script printing each line before actual execution. How to make ... Python interpreters do the same? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
693
views
1
answer
bash - Best way to choose a random file from a directory in a shell script
What is the best way to choose a random file from a directory in a shell script? Here is my solution in Bash ... GNU installed but not Perl 5. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
1.0k
views
1
answer
bash - shell variable in a grep regex
I'm trying to use a variable in a grep regex. I'll just post an example of the failure and maybe someone can ... it. $ echo $string test this $ See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
633
views
1
answer
bash - Prevent grep returning an error when input doesn't match
I want to write in a bash script a piece of code that checks if a program is already running. I have the ... Is there any solution to that? Thx See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
746
views
1
answer
bash - Ending tail -f started in a shell script
I have the following. A Java process writing logs to the stdout A shell script starting the Java process Another shell ... ' exit 0 fi done } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
929
views
1
answer
bash - CURL escape single quote
How can I make this work? curl -XPOST 'http://localhost:9290/location/place' -d '{"geoloc": {"lat": "38. ... u0027 (the unicode ') I'm stuck See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
743
views
1
answer
bash - Fixing a systemd service 203/EXEC failure (no such file or directory)
I'm trying to set up a simple systemd timer to run a bash script every day at midnight. systemctl --user ... full script if that's helpful. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
723
views
1
answer
bash - Pipe | Redirection < > Precedence
I want to make clear when does pipe | or redirection < > takes precedence in a command? This is my thought but need ... and a > with a | ??? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
648
views
1
answer
bash - What does the --ntasks or -n tasks does in SLURM?
I was using SLURM to use some computing cluster and it had the -ntasks or -n. I have obviously read the ... test it out in the cluster. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
667
views
1
answer
bash - SCP doesn't work when echo in .bashrc?
I have two users in Fedora: Wani root (quite obvious!) My contents of .bashrc of user Wani are: # .bashrc ... not get copied to Wani from root? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
815
views
1
answer
bash - How do you send the output of ls to mv?
I know you can do it with a find, but is there a way to send the output of ls to mv in the unix command line? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
877
views
1
answer
bash - setting tabwidth to 4 in git show / git diff
At work we are several developers and don't have a code style guide, and some developers indent with tabs, and ... instead of bash. Any ideas? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
560
views
1
answer
bash - Remove a character from the end of a variable
Bash auto completion appends a / at the end of a directory name. How I can strip this off from a ... /$date$target.tar.gz $path } backup See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
771
views
1
answer
bash - How can I make a progress bar while copying a directory with cp?
I suppose I could compare the number of files in the source directory to the number of files in the target ... the former is not possible). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
694
views
1
answer
bash - Finding empty directories
I need to find empty directories for a given list of directories. Some directories have directories inside it. If ... >C1,C2 this is empty See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
635
views
1
answer
bash - Listing the content of a tar file or a directory only down to some level
I wonder how to list the content of a tar file only down to some level? I understand tar tvf mytar.tar ... subdirectories, but not go further. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
534
views
1
answer
bash - List files by last edited date
I have a directory: /home/user/ How can I list every file in this directory (including those in sub ... that they were last modified? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
1.8k
views
1
answer
bash - Curl with multiline of JSON
Consider the curl command below, is it possible to allow newline in JSON (without the minify) and execute ... sure why problem happen recently. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
763
views
1
answer
bash - How to extract the first two characters of a string in shell scripting?
For example, given: USCAGoleta9311734.5021-120.1287855805 I want to extract just: US See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
884
views
1
answer
bash - Use of an exclamation mark in a Git commit message via the command line
How do I enter an exclamation point into a Git commit message from the command line? It is possible to escape the ... commit -am "Nailed it!" See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
728
views
1
answer
bash - How do I delete/remove a shell function?
I have done this: $ z() { echo 'hello world'; } How do I get rid of it? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
811
views
1
answer
bash - How to check if a Docker image with a specific tag exist locally?
I'd like to find out if a Docker image with a specific tag exists locally. I'm fine by using a bash ... a4fbaad9f996 11 weeks ago 131.5 MB See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
854
views
1
answer
bash - How to see files and file structure on a deployed Heroku app
My client app that is deployed on Heroku allows the user to upload images onto Heroku. I wanted to test out a ... app. What am I doing wrong? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
719
views
1
answer
bash - How to specify a multi-line shell variable?
I have written a query: function print_ui_hosts { local sql = "select ........." print_sql "$ sql" } ... I split a string into multiple lines? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
669
views
1
answer
bash - Custom format for time command
I'd like to use the time command in a bash script to calculate the elapsed time of the script and write ... into something easier to process. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
721
views
1
answer
bash - How to retrieve absolute path given relative
Is there a command to retrieve the absolute path given the relative path? For example I want $line to contain the ... line; do echo $line done See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
Page:
« prev
1
...
12
13
14
15
16
17
18
19
20
21
22
...
51
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] 存redis数据库问题!
[2] android怎样保存用户的信息到线上?有没有免费的方案?
[3] three 创建sphere后使用两张贴图左右自定义贴图,但是衔接处会有缝隙,如何解决?
[4] mapping - How to drag a polygon in mapbox-gl-js?
[5] android 开发源码不知道原因为啥记录很多classindex
[6] c# - Custom generic json converter not called
[7] java中 static问题
[8] laravel中的simplePaginate(进行一次查询完成分页)是怎么实现的??
[9] Vue的watch如何只作用于单个组件?
[10] Access is denied. How to resolve problems with docker cp due to permission on Windows 10?
2.1m
questions
2.1m
answers
60
comments
56.8k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...