Just another update
This commit is contained in:
parent
a25938f123
commit
00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
9
Task/Search-a-list/Maxima/search-a-list.maxima
Normal file
9
Task/Search-a-list/Maxima/search-a-list.maxima
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
haystack: ["Zig","Zag","Wally","Ronald","Bush","Zig","Zag","Krusty","Charlie","Bush","Bozo"];
|
||||
needle: "Zag";
|
||||
|
||||
findneedle(needle, haystack, [opt]):=block([idx],
|
||||
idx: sublist_indices(haystack, lambda([w], w=needle)),
|
||||
if emptyp(idx) then throw('notfound),
|
||||
if emptyp(opt) then return(idx),
|
||||
opt: first(opt),
|
||||
if opt='f then first(idx) else if opt='l then last(idx) else throw('unknownmode));
|
||||
|
|
@ -9,5 +9,4 @@
|
|||
if haystack.count(n) == 1:
|
||||
assert hi == haystack.index(n), "index == hi_index if needle occurs only once"
|
||||
|
||||
|
||||
>>>
|
||||
|
|
|
|||
15
Task/Search-a-list/UNIX-Shell/search-a-list.sh
Normal file
15
Task/Search-a-list/UNIX-Shell/search-a-list.sh
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
if [ $1 ];then
|
||||
haystack="Zip Zag Wally Ronald Bush Krusty Charlie Bush Bozo"
|
||||
|
||||
index=$(echo $haystack|tr " " "\n"|grep -in "^$1$")
|
||||
if [ $? = 0 ];then
|
||||
quantity_of_hits=$(echo $index|tr " " "\n"|wc -l|tr -d " ")
|
||||
first_index=$(echo $index|cut -f 1 -d ":")
|
||||
if [ $quantity_of_hits = 1 ];then
|
||||
echo The sole index for $1 is: $first_index
|
||||
else
|
||||
echo The smallest index for $1 is: $first_index
|
||||
greatest_index=$(echo $index|tr " " "\n"|tail -1|cut -f 1 -d ":")
|
||||
echo "The greatest index for $1 is: $greatest_index";fi
|
||||
else echo $1 is absent from haystatck.;fi
|
||||
else echo Must provide string to find in haystack.;fi
|
||||
Loading…
Add table
Add a link
Reference in a new issue