bash shell数组模拟栈运算（函数化）

将数组模拟栈运算函数化

包括push/pop/top/bottom/索引删除，存在检查等

 

array_test是测试和使用实例

 

#==========#1.0数组公函区#用数组模拟栈#出栈：array_pop#==========array_push(){local arrayname=$1local newitem=$2eval ${arrayname}'=("${'${arrayname}'[@]}" "$newitem" ) '}array_pop(){local arrayname=$1#use top#eval echo '${'${arrayname}'[$((${#'${arrayname}'[@]}-1))]}'#"use to avoid '*' transfereval ${arrayname}'=("${'${arrayname}'[@]:0:$((${#'${arrayname}'[@]}-1))}") '}array_top(){local arrayname=$1#"use to avoid '*' transfereval echo '"${'${arrayname}'[$((${#'${arrayname}'[@]}-1))]}"'}array_shift(){local arrayname=$1#use bt#eval echo '${'${arrayname}'[0]}'eval ${arrayname}'=( "${'${arrayname}'[@]:1}" )'}array_bt(){local arrayname=$1#"use to avoid '*' transfereval echo '"${'${arrayname}'[0]}"'}array_unshift(){local arrayname=$1local newitem=$2eval ${arrayname}'=($newitem "${'${arrayname}'[@]}") '}array_del_index(){ local arrayname=$1 local index=$2 eval ${arrayname}'=(${'${arrayname}'[@]:0:$index} ${'${arrayname}'[@]:$(($index + 1))})'}#判断数组索引是否存在#起始值是1array_has_index(){ local arrayname=$1 local index=${2-1} local max eval max='${#'${arrayname}'[*]}' eval test "$index" -ge 1 -a "$index" -le "$max" 2>/dev/null echo $?}array_test(){ #declare echo declare null array :testarray local -a testarray echo array value testarray[*]: echo ${testarray[@]} #push echo push array item1.. array_push testarray item1 echo value item1,index is 0 testarray[0]: echo ${testarray[0]}; echo push array item2.. array_push testarray item2 echo value item1,index is 2 testarray[1]: echo ${testarray[1]}; echo array value testarray[*]: echo ${testarray[@]} #unshift echo unshift array item0 array_unshift testarray item0 echo array value testarray[*]: echo ${testarray[@]} #shift echo shift array item0 array_shift testarray item0 echo array value testarray[*]: echo ${testarray[@]} #pop echo pop array ; array_pop testarray ; echo array value testarray[*]: echo ${testarray[@]} #has index echo test tedex 0 array_has_index testarray 0 echo $? echo test tedex 1 array_has_index testarray 1 echo $? #del index echo del tedex 0 array_del_index testarray 0 echo $? echo array value testarray[*]: echo ${testarray[@]}}#测试#array_test;#array_push aaa 111#echo ${aaa[0]}