Shellcheck refers to the ShellCheck program.
ShellCheck is a tool for linting shell scripts. It works in the browser or can be installed locally.
Questions tagged [shellcheck]
60 questions
3
votes
1 answer
SC2207 Bash array assignment from subshell not splitting as expected
I have been populating an array using:
AWS_STS_CREDS=( $(aws sts ...) )
This raises shellcheck error SC2207
Prefer mapfile or read -a to split command output
But the recommendation does not work as expected.
IFS=" " read -r -a AWS_STS_CREDS <<<…
beanaroo
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3
votes
3 answers
How to portability use "${@:2}"?
On Allow for ${@:2} syntax in variable assignment they say I should not use "${@:2}" because it breaks things across different shells, and I should use "${*:2}" instead.
But using "${*:2}" instead of "${@:2}" is nonsense because doing "${@:2}" is…
Evandro Coan
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3
votes
1 answer
Bash script command and getting rid of shellcheck error SC2181
I have the following bash script:
dpkg-query --show --showformat='${Status}\n' "$i" 2> \
/dev/null | grep "install ok installed" &> /dev/null
if [[ $? -eq 0 ]]; then
l_var_is_desktop="true"
fi
and the ShellCheck utility…
Kris
- 363
- 3
- 11
3
votes
1 answer
ShellCheck warning: "Remove surrounding $() to avoid executing output. [SC2091]"
I have the following set of commands in my script:
message="Secure copying file $remoteHost"
backupLogOutput "Info $message"
$(scp "$file" "$remoteUser"@"$remoteHost":"$remotePath") >> "$BACKUPLOG"
backupErrorHandler "$?" "$message"
ShellCheck is…
AndyM
- 562
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3
votes
1 answer
Static code analysis using ShellCheck for shell script - predefined rules
I am trying to use Shellcheck for doing static code analysis for shell scripts. I want to know the rules used to perform the analysis. Where can I get them?
Below is the sample output I got for simple helloworld program:
In…
Rajeswari
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- 2
- 11
3
votes
2 answers
How is a shellscript syntax checker invoked (by/with syntastic and pathogen)?
When I work on a bash/sh script, pathogen kicks in and correctly loads everything that's in ~/.vim/bundle/syntastic/syntax_checkers/sh/. I checked with :scriptnames in command-line mode. Included are shellcheck.vim, checkbashism.vim, bashate.vim…
Cbhihe
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- 24
2
votes
0 answers
PowerShell equivalent of Shellcheck
I found this https://github.com/PoshCode/PowerShellPracticeAndStyle but I was wondering if there's anything like shellcheck but for PowerShell.
mikeytown2
- 1,744
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2
votes
1 answer
In bash, replace each character of a string with a fixed character ("blank out" a string)
MWE:
caption()
{
echo "$@"
echo "$@" | sed 's/./-/g' # -> SC2001
}
caption "$@"
I'd like to use parameter expansion in order to get rid of the shellcheck error. The best idea I had was to use echo "${@//?/-}", but this does not replace…
Johannes
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2
votes
2 answers
Record shellcheck findings in Jenkins
I'm looking for a way to record violation findings of shellcheck in my Jenkins Pipeline script. I was not able to find something so far. For other tools (Java, Python), I'm using Warnings Next Generation, but it does not seem to support shellcheck,…
schilli
- 1,700
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2
votes
1 answer
Best way of using `env` command and passing environment variables by file
We currently have a command for setting the environment for only the following arguments/commands. The environment variables are set by a file, through a simple cat command:
env $(cat "$1")
However, shellcheck seems to mark…
nkmol
- 8,025
- 3
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2
votes
0 answers
shellcheck on sonarcloud (plugin)
I use ShellCheck in order to validate my bash scripts.
I have a project that is made in bash and I want to scan it with ShellCheck in SonarCloud.
When I use SonarCloud für analysis it shows The main branch has no lines of code..
Currently, I…
dan1st
- 12,568
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2
votes
1 answer
Bash script set Coordinate Universal Time on remote system using ssh and date
I have a bash script that attempts to synchronize the time on another machine. It is not my source code, but as I am refactoring bash script, I am trying to get it to pass ShellCheck.
The source code for it looks something like this:
d=$(date -u…
Kris
- 363
- 3
- 11
2
votes
0 answers
Parse Shellcheck output in Eclipse problems view
I'm working on a mixed language integration project involving copious amounts of Bash. We use Eclipse as our IDE due to its tight integration with our SCM (not Git).
I have successfully configured a builder to run shellcheck against bash code and…
Chris
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2
votes
1 answer
Cannot figure out how to fix shellcheck complaint that I should not use a glob as a command when starting one script from another
Example script:
#!/bin/bash
printf '1\n1\n1\n1\n' | ./script2*.sh >/dev/null 2>/dev/null
Shellcheck returns the following:
In script1.sh line 3:
printf '1\n1\n1\n1\n' | ./script2*.sh >/dev/null 2>/dev/null
^-- SC2211: This…
Harold Fischer
- 279
- 1
- 9
2
votes
1 answer
make sees different PATH than account's .bashrc-configured PATH
I want to call ShellCheck, a Haskell program for linting shell scripts, from a Makefile.
When I install ShellCheck via cabal install, it is installed as ~/.cabal/bin/shellcheck. So, I have configured Bash accordingly:
$ cat ~/.bashrc
export…
mcandre
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