Les Variables $x Bash

20 avril 2020

  • $0 – The name of the Bash script.
  • $1 – $9 – The first 9 arguments to the Bash script. (As mentioned above.)
  • $# – How many arguments were passed to the Bash script.
  • $@ – All the arguments supplied to the Bash script.
  • $? – The exit status of the most recently run process.
  • $$ – The process ID of the current script.
  • $USER – The username of the user running the script.
  • $HOSTNAME – The hostname of the machine the script is running on.
  • $SECONDS – The number of seconds since the script was started.
  • $RANDOM – Returns a different random number each time is it referred to.
  • $LINENO – Returns the current line number in the Bash script
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