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text processing - How does this sed substitution command . . .
In sed, substitute commands are usually written as s pattern replacement options However, it's not necessary to use - you can use other characters if it is convenient, so it could be s@pattern@replacement@options or s:foo:bar:g s@+@ @g is like s + g - replace all + with spaces
linux - What does set -e mean in a Bash script? - Stack . . .
Basically, set -e aborts the execution of a command (e g a shell script) and returns the exit status code of the command that failed (i e the inner script, not the outer script) For example, suppose I have the shell script outer-test sh :
linux - What is the purpose of -e in sed command? - Unix . . .
Normally commands can be separated by a ; e g foo d; bar d and grouped by { } e g foo {h;d} but for the i,a,c commands the -e provides a way of separating the commands The alternative is to use the shell(bash) to insert a newline:
Windows batch equivalent of bashs set -e - Super User
Is there a Windows batch equivalent to bash's set -e, which causes the shell to exit immediately if a command fails with nonzero exit status (except in places where it's expected like in an if statement)?
List of hidden Google Chrome URLs and Internal Pages
Take a look at some of the important Google Chrome URLs that point to its internal pages You can access the list of hidden Chrome URLs by typing chrome: about or chrome: chrome-urls in the
Chrome Web Store
Meeting scheduling and email management tool trusted by millions Schedule meetings, track responses, send later, and more Get notifications, read, listen to or delete emails without opening Gmail
Every Bash Script Should Use set -e – Here‘s Why
set -e is a simple, powerful tool that can prevent many common bugs in Bash scripts By exiting the script immediately if any command fails, it ensures that errors are caught early and prevents unexpected behavior