268 lines
5.1 KiB
Plaintext
268 lines
5.1 KiB
Plaintext
===============================
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Commands
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===============================
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whoami
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---
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(program
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(command (command_name (word))))
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===============================
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Commands with arguments
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===============================
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cat file1.txt
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git diff --word-diff=color -- file1.txt file2.txt
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---
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(program
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(command (command_name (word)) (word))
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(command (command_name (word)) (word) (word) (word) (word) (word)))
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===============================
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Quoted command names
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===============================
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"$a/$b" c
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---
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(program
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(command
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(command_name (string (simple_expansion (variable_name)) (simple_expansion (variable_name))))
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(word)))
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===============================
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Commands with numeric arguments
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===============================
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exit 1
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---
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(program
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(command (command_name (word)) (word)))
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===================================
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Commands with environment variables
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===================================
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VAR1=1 ./script/test
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VAR1=a VAR2="ok" git diff --word-diff=color
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---
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(program
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(command
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(variable_assignment (variable_name) (word))
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(command_name (word)))
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(command
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(variable_assignment (variable_name) (word))
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(variable_assignment (variable_name) (string))
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(command_name (word))
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(word)
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(word)))
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===================================
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Empty environment variables
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===================================
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VAR1=
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VAR2= echo
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---
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(program
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(variable_assignment (variable_name))
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(command (variable_assignment (variable_name)) (command_name (word))))
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===============================
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File redirects
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===============================
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whoami > /dev/null
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cat a b > /dev/null
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2>&1 whoami
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---
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(program
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(redirected_statement
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(command (command_name (word)))
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(file_redirect (word)))
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(redirected_statement
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(command (command_name (word)) (word) (word))
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(file_redirect (word)))
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(command
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(file_redirect (file_descriptor) (word))
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(command_name (word))))
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===============================
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File redirects (noclobber override)
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===============================
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whoami >| /dev/null
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cat a b >| /dev/null
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---
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(program
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(redirected_statement
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(command (command_name (word)))
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(file_redirect (word)))
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(redirected_statement
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(command (command_name (word)) (word) (word))
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(file_redirect (word))))
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===============================
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Heredoc redirects
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===============================
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node <<JS
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console.log("hi")
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JS
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bash -c <<JS
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echo hi
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JS
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---
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(program
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(redirected_statement
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(command (command_name (word)))
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(heredoc_redirect (heredoc_start)))
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(heredoc_body)
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(redirected_statement
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(command (command_name (word)) (word))
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(heredoc_redirect (heredoc_start)))
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(heredoc_body))
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===============================
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Heredocs with variables
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===============================
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node <<JS
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a $B ${C}
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JS
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exit
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---
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(program
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(redirected_statement
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(command (command_name (word)))
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(heredoc_redirect (heredoc_start)))
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(heredoc_body
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(simple_expansion (variable_name))
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(expansion (variable_name)))
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(command (command_name (word))))
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=================================
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Heredocs with file redirects
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================================
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cat <<EOF > $tmpfile
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a $B ${C}
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EOF
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wc -l $tmpfile
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---
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(program
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(redirected_statement
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(command (command_name (word)))
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(heredoc_redirect (heredoc_start))
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(file_redirect (simple_expansion (variable_name))))
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(heredoc_body
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(simple_expansion (variable_name))
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(expansion (variable_name)))
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(command
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(command_name (word))
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(word)
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(simple_expansion (variable_name))))
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=================================
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Heredocs with pipes
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================================
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one <<EOF | grep two
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three
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EOF
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---
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(program
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(pipeline
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(redirected_statement
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(command (command_name (word)))
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(heredoc_redirect (heredoc_start)))
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(command (command_name (word)) (word)))
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(heredoc_body))
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======================================
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Heredocs with escaped expansions
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======================================
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cat << EOF
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DEV_NAME=\$(lsblk)
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EOF
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---
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(program (redirected_statement (command (command_name (word))) (heredoc_redirect (heredoc_start))) (heredoc_body))
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======================================
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Quoted Heredocs
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======================================
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cat << 'EOF'
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a=$b
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EOF
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cat << "EOF"
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a=$b
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EOF
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cat <<"END OF FILE"
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hello,
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world
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END OF FILE
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cat << \EOF
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EOF
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---
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(program
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(redirected_statement (command (command_name (word))) (heredoc_redirect (heredoc_start))) (heredoc_body)
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(redirected_statement (command (command_name (word))) (heredoc_redirect (heredoc_start))) (heredoc_body (simple_expansion (variable_name)))
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(redirected_statement (command (command_name (word))) (heredoc_redirect (heredoc_start))) (heredoc_body)
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(redirected_statement (command (command_name (word))) (heredoc_redirect (heredoc_start))) (heredoc_body))
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==========================================
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Heredocs with indented closing delimiters
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==========================================
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usage() {
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cat <<-EOF
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Usage: ${0##*/} FOO BAR
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EOF
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}
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---
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(program
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(function_definition
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(word)
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(compound_statement
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(redirected_statement
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(command (command_name (word)))
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(heredoc_redirect (heredoc_start)))
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(heredoc_body (expansion (special_variable_name) (word))))))
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