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How can I declare and use Boolean variables in a shell script?
I tried to declare a Boolean variable in a shell script using the following syntax:
21 Answers
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Replace one substring for another string in shell script
...ns slashes but this didn't break anything.
Further reading: Advanced Bash-Scripting Guide.
If using sed is a must, be sure to escape every character.
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How do I create and access the global variables in Groovy?
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In a Groovy script the scoping can be different than expected. That is because a Groovy script in itself is a class with a method that will run the code, but that is all done runtime. We can define a variable to be scoped to the script b...
Can I use CoffeeScript instead of JS for node.js?
What are my restrictions if I want to code node.js and use CoffeeScript?
Can I do anything I'd be able to do in JS?
8 Answe...
How to change the output color of echo in Linux
...t Gray 0;37 White 1;37
And then use them like this in your script:
# .---------- constant part!
# vvvv vvvv-- the code from above
RED='\033[0;31m'
NC='\033[0m' # No Color
printf "I ${RED}love${NC} Stack Overflow\n"
which prints love in red.
From @james-lim's comment, if you...
JavaScript + Unicode regexes
How can I use Unicode-aware regular expressions in JavaScript?
11 Answers
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How can I find out if I have Xcode commandline tools installed?
...application, and enter $ gcc if you have not installed it you will get an alert. You can verify that you have installed it by
$ xcode-select -p
/Library/Developer/CommandLineTools
And to be sure then enter $ gcc --version
You can read more about the process here: Xcode command line tools for Ma...
Execute combine multiple Linux commands in one line
...ds on the success of the previous one.
You can also put all commands in a script and execute that instead:
#! /bin/sh
cd /my_folder \
&& rm *.jar \
&& svn co path to repo \
&& mvn compile package install
(The backslashes at the end of the line are there to prevent the she...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...uestions/3828723/why-should-we-not-use-sys-setdefaultencodingutf-8-in-a-py-script
#2.overwrite /usr/lib/python2.7/sitecustomize.py or (sitecustomize.py and PYTHONPATH=".:$PYTHONPATH" python)
#too complex
#3.control by your own (best)
#==> all string must be unicode like python3 (u...
How to run script as another user without password?
I have script.sh that must be run as user2. However, this script can only be run under user1 in my application.
3 Answers
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