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
1
vote
1 answer
SC1091: Not following: ../.sh was not specified as input
What is the best practice to source a local bash file? I get the following shellcheck error on my bash script as it can't follow the path provided in the source:
Code snippet that gives the formatting error:
source…
Usama Ijaz
- 31
- 2
1
vote
2 answers
Shellcheck suggestion for SC2806 giving me issue with JAVA_OPTS
I'm getting shellcheck suggestion SC2806 i.e. Double quote to prevent globbing and word splitting for $JAVA_OPTS.
When I apply that to my code
java $JAVA_OPTS -Dhttps.proxyHost=%PROXY_HOST%
I get the 503 Error Back-end server busy error. The ec2…
SK16
- 623
- 8
- 17
1
vote
1 answer
resolving shellcheck printf warnings have me stuck with either SC2059 or SC2089
For the following code, I'm getting SC2089 "Quotes/backslashes will be treated literally, use an array"
# Quotes/backslashes will be treated literally, use an array
CMD_AVAIL_MSG='%s is required for this script but the "%s" command is missing.…
mindfullsilence
- 344
- 9
- 23
1
vote
2 answers
how to expand bash function parameters inside function / fix shellcheck SC2294
Assume a function that runs a command in another directory:
sub() {
cd subdirectory
eval "$@" || exit
}
I would like to be able to invoke this function with parameters that are expanded inside the subdirectory, e.g. sub ls '$(basename…
rethab
- 7,170
- 29
- 46
1
vote
1 answer
Codacy analyzer warning: In POSIX sh, [[ ]] is undefined
When I run codacy-analysis-cli analyze command for the next line of script:
if [[ "$lexer_date" > "$lexer_ts_date" ]]; then
generate_grammar
fi
I got the next warning:
Found [Warning] `In POSIX sh, [[ ]] is undefined.` in scripts/grammar.sh:20…
Nizami
- 35
- 8
1
vote
4 answers
How can I satisfy shellcheck without causing script failure?
I am currently testing out GitHub Actions and the quickstart explains how to add super-linter to a repo which is an easy way to apply linting across a whole repo - I like this idea so I have added it to my repo, one of the linters it applies is…
jamiet
- 10,501
- 14
- 80
- 159
1
vote
4 answers
Execute command that results from execution of a script whose name is in a variable
When posting this question originally, I totally misworded it, obtaining another, reasonable but different question, which was correctly answered here.
The following is the correct version of the question I originally wanted to ask.
In one of my…
Enlico
- 23,259
- 6
- 48
- 102
1
vote
1 answer
Optionally include a user and password in curl request?
I am optionally including a user and password in a curl request as follows:
declare creds=""
if [ -n "$user" ] && [ -n "$password" ]; then
creds="-u ${user}:${password}"
fi
output=$(curl ${creds} -X PUT -v --write-out "%{http_code}" "$url" \
…
rmf
- 625
- 2
- 9
- 39
1
vote
2 answers
How to properly format an 'if' statement being passed to a remote server in a when using 'while read'?
Ubuntu 18
Bash 4.4.0
I am wanting to pass an if statement to see whether or not a directory exist. If it does, I want to some commands and then a file. I have read through the similar posts but shellcheck complains about my formatting. …
Vituvo
- 1,008
- 1
- 9
- 29
1
vote
2 answers
GNU Parallel with shellcheck on multiple files
How do I use GNU Parallel to run shellcheck on all *.sh with a wrapper function?
This attempt has the correct target files, but Parallel seems to struggle with the subshell.
lint:sh() {
local output
targets=$(find . -name '*.sh' -exec echo {}…
Tom
- 981
- 11
- 24
1
vote
2 answers
Rewrite bash command to be ShellCheck compliant
How can I rewrite the following bash command to be ShellCheck compliant?
memory=$(cat /proc/meminfo | grep 'MemTotal:' | awk {'print $2}' 2> /dev/null)
It is currently complaining about:
Useless cat. Consider 'cmd < file | ..' or 'cmd file |…
Justin
- 42,716
- 77
- 201
- 296
1
vote
2 answers
Iterate over specific files in a directory using Bash find
Shellcheck doesn't like my for over find loop in Bash.
for f in $(find $src -maxdepth 1 -name '*.md'); do wc -w < "$f" >> $path/tmp.txt; done
It suggests instead:
1 while IFS= read -r -d '' file
2 do
3 let count++
4 echo "Playing file…
denten
- 691
- 1
- 6
- 15
0
votes
0 answers
How to quote a shell command containing a quote
I'm struggling to fix the following shellcheck warning, because it would require nested quotes:
here=$(dirname $(realpath "$0" 2> /dev/null || grealpath "$0"))
^-- SC2046 (warning): Quote this to prevent word splitting.
How could I…
PiRK
- 893
- 3
- 9
- 24
0
votes
0 answers
SC2153 (info): Possible misspelling: CA_PRIVATE_KEY_FILENAME may not be assigned
Context
In a project I have two files in:
src/ssl_certs/make_ssl_project_certs.sh
src/ssl_certs/make_ssl_root_certs.sh
The make_ssl_project_certs.sh contains the global variables for those two scripts (along with some documentation). A large…
a.t.
- 2,002
- 3
- 26
- 66
0
votes
1 answer
shellcheck only enable single rule
shellcheck currently yields a lot of errors when analyzing one of my scripts. To get an overview I'd like to go through each error one by one. Is there a way I can disable all rules but one when using shellcheck?
Philippe
- 1,715
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- 49