Why is pattern “command || true” useful?
I am currently exploring Debian packages, and I have been reading some code samples. And on every line in, for example, the postinst script is a pattern.
shell-script
Prevent SIGINT from interrupting function call and child process(es) within
Consider the following script:
Check if process is running Mac OS X then execute code
I am creating a script which clears the cache for Google Chrome. However, I would like to check if Chrome is open and if so not run the code but if it isn’t then it will execute the code. I can see that the Process Name is Google Chrome but the code doesn’t work.
suppress stderr messages in a bash script
Consider the following (slightly silly) script name ‘test1.sh’:
File extensions for unix shell scripts
For the .sh file extension type, see Bourne shell.
Split string using IFS
I have written a sample script to split the string but it is not working as expected
Hiding Password in Shell Scripts
How can I hide a password in shell scripts? There are a number of scripts that are accessing database. If we open the script others also aware the username and password. So if anyone knows how to hide please let me know.
Execute a command before shutdown
I want to execute a simple command just before the computer shuts down (timing is not essential).
Usage of -n and -z in test built in – Bash
Consider the following in bash:
Using “reserved” codes for exit status of shell scripts
I recently came across this list of Exit Codes With Special Meanings from the Advanced Bash-Scripting Guide. They refer to these codes as being reserved and recommend that: