Edit readme again

.gitignore

@@ -0,0 +1,75 @@
+
+# Created by https://www.toptal.com/developers/gitignore/api/linux,windows,macos
+# Edit at https://www.toptal.com/developers/gitignore?templates=linux,windows,macos
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.toptal.com/developers/gitignore/api/linux,windows,macos

README.md

@@ -1,2 +1,10 @@
 # Triangles
 
+## Descrizione esercizio
+
+Dato un numero intero n, produrre in output un triangolo rettangolo in cui i cateti sono lunghi n e il perimetro sia delineato con il carattere * in ogni punto.
+I cateti devono essere in alto e a sinistra. Esempio, dato n=5:
+
+## Come eseguire
+
+Lanciare ```./Triangles.sh``` oppure ```bash Triangles.sh```

Triangles.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Dato un numero intero n, produrre in output un triangolo rettangolo in cui i
+# cateti sono lunghi n e il perimetro sia delineato con il carattere * in ogni punto.
+# I cateti devono essere in alto e a sinistra. Esempio, dato n=5:
+
+echo -n "Lato triangolo: "
+read lato
+printf "\n"
+
+if [ $lato == 1 ]
+then
+    echo "*"
+elif [ $lato -lt 1 ]
+then
+    echo "Lato non valido"
+else
+    printf "%0.s*" $(seq 1 $lato)
+    printf "\n"
+
+    for i in $(seq 1 $(( $lato - 1 )))
+    do
+        printf "*"
+        spazi=$(( $lato - $i - 2 ))
+        if [ $spazi -gt 0 ]
+        then
+            printf "%0.s " $(seq 1 $spazi)
+        fi
+        if [ $spazi -gt -1 ]
+        then
+            printf "*\n"
+        fi
+    done
+    printf "\n"
+fi