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Fixing dequeue RPOP bug

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Classical/data-structures/dequeue/shell
- dequeue.sh

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`‎Classical/data-structures/dequeue/shell/dequeue.sh‎`

Lines changed: 7 additions & 7 deletions

Original file line number	Diff line number	Diff line change
`@@ -2,25 +2,25 @@`
`2`	`2`
`3`	`3`	`items=()`
`4`	`4`	`while true ; do`
`5`		`- echo"... "`
	`5`	`+ printf"> "`
`6`	`6`	`read -r line`
`7`	`7`	`args=($line)`
`8`	`8`	`case ${args[0]} in`
`9`	`9`	`"FADD")`
`10`	`10`	`arg_list=(${args[1]})`
`11`		`- arg_list+=${items[@]}`
`12`		`- items=$arg_list`
	`11`	`+ arg_list+=(${items[@]})`
	`12`	`+ items=(${arg_list[@]})`
`13`	`13`	`;;`
`14`	`14`	`"RADD")`
`15`	`15`	`items+=(${args[1]})`
`16`	`16`	`;;`
`17`	`17`	`"FPOP")`
`18`	`18`	`echo "${items[0]}"`
`19`		`- items=${items[@]:1}`
	`19`	`+ items=(${items[@]:1})`
`20`	`20`	`;;`
`21`		`- "RPOP")`
`22`		`- echo "${items[-1]}"`
`23`		`- items=${items[@]:0:$((${#items[@]} - 1))}`
	`21`	`+ "RPOP")`
	`22`	`+ echo "${items[(( ${#items[@]} - 1))]}"`
	`23`	`+ items=(${items[@]:0:$((${#items[@]} - 1))})`
`24`	`24`	`;;`
`25`	`25`	`esac`
`26`	`26`

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