aleofreddi · March 19, 2020 12:24
diff --git a/Bash array cheatsheet b/Bash array cheatsheet
 # Bash array cheatsheet

 Declare           declare -a array=('a' 'b' 'c')

 Length            ${#array[@]}
 Indices           ${!array[@]}

 Push n (append)   array+=('i_0' ... 'i_n')
 Pop n (bash>=4)   unset 'array[-n]'
 Pop n (bash<4)    unset 'arr[${#arr[@]}-n]'

 Shift n           array=("${array[@]:n}")
 Unshift n         array=("i_0" ... "i_n" "${array[@]:n}")
	# Bash array cheatsheet

	Declare declare -a array=('a' 'b' 'c')

	Length ${#array[@]}
	Indices ${!array[@]}

	Push n (append) array+=('i_0' ... 'i_n')
	Pop n (bash>=4) unset 'array[-n]'
	Pop n (bash<4) unset 'arr[${#arr[@]}-n]'

	Shift n array=("${array[@]:n}")
	Unshift n array=("i_0" ... "i_n" "${array[@]:n}")