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Check file types and compare values. Returns a status of 0 if the condition evaluates to true, 1 if it evaluates to false. More information: <https://www.gnu.org/software/bash/manual/bash.html#index-test>.

Install

All systems
curl cmd.cat/[.sh
Debian Debian
apt-get install coreutils
Ubuntu
apt-get install coreutils
Alpine
apk add coreutils
Arch Arch Linux
pacman -S coreutils
image/svg+xml Kali Linux
apt-get install coreutils
CentOS
yum install coreutils
Fedora
dnf install coreutils
Windows (WSL2)
sudo apt-get update sudo apt-get install coreutils
OS X
brew install coreutils
Raspbian
apt-get install coreutils
Dockerfile
dockerfile.run/[
Docker
docker run cmd.cat/[ [ powered by Commando

Check file types and compare values. Returns a status of 0 if the condition evaluates to true, 1 if it evaluates to false. More information: <https://www.gnu.org/software/bash/manual/bash.html#index-test>.

  • Test if a given variable is equal/not equal to the specified string:
    [ "$variable" =|!= "string" ]
  • Test if a given variable is [eq]ual/[n]ot [e]qual/[g]reater [t]han/[l]ess [t]han/[g]reater than or [e]qual/[l]ess than or [e]qual to the specified number:
    [ "$variable" -eq|ne|gt|lt|ge|le integer ]
  • Test if the specified variable has a [n]on-empty value:
    [ -n "$variable" ]
  • Test if the specified variable has an empty value:
    [ -z "$variable" ]
  • Test if the specified [f]ile exists:
    [ -f path/to/file ]
  • Test if the specified [d]irectory exists:
    [ -d path/to/directory ]
  • Test if the specified file or directory [e]xists:
    [ -e path/to/file_or_directory ]

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