[linux] How do I syntax check a Bash script without running it?

bash -n scriptname

Perhaps an obvious caveat: this validates syntax but won't check if your bash script tries to execute a command that isn't in your path, like ech hello instead of echo hello.

Examples related to linux

grep's at sign caught as whitespace How to prevent Google Colab from disconnecting? "E: Unable to locate package python-pip" on Ubuntu 18.04 How to upgrade Python version to 3.7? Install Qt on Ubuntu Get first line of a shell command's output Cannot connect to the Docker daemon at unix:/var/run/docker.sock. Is the docker daemon running? Run bash command on jenkins pipeline How to uninstall an older PHP version from centOS7 How to update-alternatives to Python 3 without breaking apt?

Examples related to bash

Comparing a variable with a string python not working when redirecting from bash script Zipping a file in bash fails How do I prevent Conda from activating the base environment by default? Get first line of a shell command's output Fixing a systemd service 203/EXEC failure (no such file or directory) /bin/sh: apt-get: not found VSCode Change Default Terminal Run bash command on jenkins pipeline How to check if the docker engine and a docker container are running? How to switch Python versions in Terminal?

Examples related to unix

Docker CE on RHEL - Requires: container-selinux >= 2.9 What does `set -x` do? How to find files modified in last x minutes (find -mmin does not work as expected) sudo: npm: command not found How to sort a file in-place How to read a .properties file which contains keys that have a period character using Shell script gpg decryption fails with no secret key error Loop through a comma-separated shell variable Best way to find os name and version in Unix/Linux platform Resource u'tokenizers/punkt/english.pickle' not found

Examples related to syntax

What is the 'open' keyword in Swift? Check if returned value is not null and if so assign it, in one line, with one method call Inline for loop What does %>% function mean in R? R - " missing value where TRUE/FALSE needed " Printing variables in Python 3.4 How to replace multiple patterns at once with sed? What's the meaning of "=>" (an arrow formed from equals & greater than) in JavaScript? How can I fix MySQL error #1064? What do >> and << mean in Python?

Examples related to gnu

gcc-arm-linux-gnueabi command not found grep --ignore-case --only How to Export Private / Secret ASC Key to Decrypt GPG Files grep regex whitespace behavior Compiling a C++ program with gcc Passing additional variables from command line to make How to display line numbers in 'less' (GNU) How do I apply a diff patch on Windows? How do I syntax check a Bash script without running it? GnuPG: "decryption failed: secret key not available" error from gpg on Windows