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tldr/pages/linux/entr.md
Marco Bonelli 2599a6de48 Refactor: change "folder" to "directory" where needed. 
This commit fixes every instance in which the word "folder" is
incorrectly used instead of "directory".
2019-02-13 20:51:04 +05:30

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entr

Run arbitrary commands when files change.

  • Rebuild with make if any file in any subdirectory changes:

{{ag -l}} | entr {{make}}

  • Rebuild and test with make if any .c source files in the current directory change:

{{ls *.c}} | entr {{'make && make test'}}

  • Send a SIGTERM to any previously spawned ruby subprocesses before executing ruby main.rb:

{{ls *.rb}} | entr -r {{ruby main.rb}}

  • Run a command with the changed file (/_) as an argument:

{{ls *.sql}} | entr {{psql -f}} /_