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Notes
  • README
  • ansible
    • Literal curly braces (raw)
  • bash
    • Case statement
    • Change quote style mid-string
    • Comparing versions
    • Hiding credentials on the command line
    • Directory of script
    • Using find to run a command on multiple files
    • Getting the line number of the nth match
    • Getopts
    • Parsing output with long lines using less
    • Print line at number
    • Remove final newline
    • Reading content between markers
    • Determine if a script was sourced or executed
    • Bash substring
    • Run a function on interrupt or error
    • Reference variable by name
  • chrome
    • Bypassing Chrome's NET::ERR_CERT_INVALID page
  • css
    • box-sizing: border-box
    • The currentColor keyword
    • Wrapper taking up at least 100% height
    • Using margin: auto; for centering
    • Margin-collapse
    • Which unit to use?
    • Hiding elements
  • git
    • Conditional git config includes
    • Viewing the evolution of a line or function
    • Name of current branch
    • Get the path to the repository root
    • Replaying a set of changes on a specific branch
    • Hide file from git diff output
    • Listing untracked files with git status
  • github
    • Setting up GitHub Actions
  • groovy
    • Appending items to a list
  • kubernetes
    • Waiting for a pod to be ready
  • make
    • Passing arguments to make rules
    • Running make in a set of subdirectories
  • npm
    • Update a value in a project's .npmrc
  • podman
    • Target last container
  • rust
    • The match operator
    • Unwrapping a Result
  • tmux
    • New window with prompt
  • tools
    • Running ngrok in the background
    • Using entr to react to file changes
  • typescript
    • Inferring the type of elements in an array
  • vim
    • The command-line window
    • Populate quickfix list with eslint errors
    • Visual increment
    • Opening a list of files in split windows
    • Insert line above matched line
    • Spelling
    • The tabular plugin
    • Populate quickfix list with tsc errors
  • yaml
    • Yaml multiline strings
  • zsh
    • Lazy loading command setup
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Last updated 3 years ago

is "A utility for running arbitrary commands when files change". It's available on both Linux and MacOS.

/_ is a shorthand that is replaced with the absolute path of the first file to trigger an event.

PreviousRunning ngrok in the backgroundNextInferring the type of elements in an array
  1. tools

Using entr to react to file changes

entr
# Run make build when source files change
find . -type f -name '*.c' | entr make build
# Run my_script.sh on save
echo my_script.sh | entr /_