CHECKBASHISMS(1) General Commands Manual CHECKBASHISMS(1) (NAME) checkbashisms - (bashisms) (SYNOPSIS) checkbashisms script ... checkbashisms --help|--version (DESCRIPTION) checkbashisms lintian /bin/sh <> ( ) . bashism . bashism << POSIX >> POSIX XSI User Portability . POSIX (Debian Policy) checkbashisms . (OPTIONS) --help, -h . --newline, -n "echo -n" ( POSIX .). --posix, -p POSIX . ( -n ). --force, -f ( (shebang) bash POSIX ). --lint, -l (linter) . bashism (stdout) : {filename}:{lineno}:1: warning: possible bashism; {explanation} --extra, -x bashism (false positive) . "$BASH_ENV" "$BASH" . --early-fail, -e . --version, -v (). (EXIT VALUES) bashism 0 . : 1 bashism . 2 . . 4 bashism bash . (SEE ALSO) lintian(1) (AUTHORS) checkbashisms Yann Dirson Julian Gilbey Perl . DEBIAN Debian Utilities CHECKBASHISMS(1)