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Shell rules

Bash, zsh, ksh: regardless what Shell you use, Codiga got you covered. With hundreds of rules, the Codiga Static Engine checks for any issue in your shell script and surfaces issues in your Shell codebase.

2000

Best practice
Minor

See if you can use ${#variable} instead.

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2003

Best practice
Minor

expr is antiquated. Consider rewriting this using $((..))

2006

Best practice
Minor

Use $(...) notation instead of legacy backticked `...`.

2196

Best practice
Minor

egrep is non-standard and deprecated. Use grep -E instead.