ci: add integration workflow

.github/workflows/ci.yml

@@ -0,0 +1,18 @@
+name: CI
+
+on:
+  pull_request: {}
+  push:
+    branches: [ master ]
+
+jobs:
+  shellcheck:
+    name: ShellCheck
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ludeeus/action-shellcheck@2.0.0
+        with:
+          severity: warning

c_template.sh

@@ -7,15 +7,17 @@ fi
 
 filename="$1"
 
-str="#include <stdio.h>
-\n#include <stdlib.h>
-\n\nint main()
-\n{
-  \n\tint aux;\n
-  \n\tscanf(\"%d\", &aux);\n
-  \n\tprintf(\"%d\", aux);\n
-  \n\treturn 0;
-\n}"
+cat << EOF > "$filename.c"
+#include <stdio.h>
+#include <stdlib.h>
 
-echo -e $str > "$filename.c"
-echo "Done!"
+int main()
+{
+\tint aux;
+\tscanf("%d", &aux);
+\tprintf("%d", aux);
+\treturn 0;
+}
+EOF
+
+echo "Done!"

cpp_competitive_template.sh

@@ -14,14 +14,17 @@ main() {
   while getopts "c:s:h" flag; do
     case $flag in
       c)
-      num_problems=$OPTARG
-      contest_flag=1 ;;
+        num_problems=$OPTARG
+        contest_flag=1 ;;
       s)
-      problem_names=$OPTARG 
-      specify_flag=1 ;;
+        problem_names=$OPTARG
+        specify_flag=1 ;;
       h)
-      print_usage
-      exit ;;
+        print_usage
+        exit ;;
+      *)
+        print_usage
+        exit 1 ;;
     esac
   done
 
@@ -32,50 +35,53 @@ main() {
       exit 1
   fi
 
-  if (($contest_flag > 0)); then
+  if ((contest_flag > 0)); then
     echo "creating contest problems..."
     problems=("A" "B" "C" "D" "E" "F" "G" "H" "I" "J" "K" "L" "M" "N" "O" "P" "Q" "R" "S" "T")
 
-    for ((i=0;i<$num_problems;i++));
+    for ((i=0;i<num_problems;i++));
     do
       echo "creating file ${problems[$i]}.cpp..."
-      create_file ${problems[$i]}
+      create_file "${problems[$i]}"
     done
-  elif (($specify_flag > 0)) ;then
+  elif ((specify_flag > 0)) ;then
 
-    names=$(echo $problem_names | tr "," " ")
+    names=$(echo "$problem_names" | tr "," " ")
     for name in $names
     do
       echo "creating file $name.cpp..."
-      create_file $name
+      create_file "$name"
     done
   else
     filename="$1"
     echo "creating file $filename.cpp..."
-    create_file $filename
+    create_file "$filename"
   fi
 
   create_io_files
   echo "Done!"
 }
 
 create_file() {
-  local code="#include <bits/stdc++.h>
-  \nusing namespace std;
-  \n#define DEBUG(x) cout << #x << \" >>>> \" << x << endl
-  \n#define MID(l, r) (l + (r - l) / 2)
-  \n#define CEILDIVISION(x, y) ((x + y - 1) / y)
-  \n#define INF (int)1e9
-  \n#define LONGINF (long long)1e18 
-  \n#define MEM(arr, val) memset(arr, (val), sizeof(arr))
-  \n#define FASTIO ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
-  \nconst int MOD = 1000000007; // 10^9 - 7
-  \n
-  \nint main() {
-    \n\tFASTIO;\n\t\n\t\n\treturn 0;
-  \n}"
+  cat << EOF > "$1.cpp"
+#include <bits/stdc++.h>
+using namespace std;
+#define DEBUG(x) cout << #x << " >>>> " << x << endl
+#define MID(l, r) (l + (r - l) / 2)
+#define CEILDIVISION(x, y) ((x + y - 1) / y)
+#define INF (int)1e9
+#define LONGINF (long long)1e18
+#define MEM(arr, val) memset(arr, (val), sizeof(arr))
+#define FASTIO ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
+const int MOD = 1000000007; // 10^9 - 7
+
+int main() {
+\tFASTIO;
 
-  echo -e $code > "$1.cpp"
+
+\treturn 0;
+}
+EOF
 }
 
 create_io_files() {

create_bootable_usbstick.sh

@@ -8,17 +8,17 @@ if (($# != 2)); then
 fi
 
 
-read -p $'\nEnter the Operating System: For Windows type: windows | For Linux type: linux \n' os
+read -rp $'\nEnter the Operating System: For Windows type: windows | For Linux type: linux \n' os
 
 if [ "$os" = "linux" ]; then
 
 	deviceToUmount="${1}1"
 
-	sudo umount $deviceToUmount
+	sudo umount "$deviceToUmount"
 
 	echo "Unmounting device..."
 
-	sudo dd bs=4M if=$2 of=$1 status=progress oflag=sync
+	sudo dd bs=4M if="$2" of="$1" status=progress oflag=sync
 
 	echo "Done!"
 
@@ -37,11 +37,11 @@ elif [ "$os" = "windows" ]; then
 
 	deviceToUmount="${1}1"
 
-	sudo umount $deviceToUmount
+	sudo umount "$deviceToUmount"
 
 	echo "Unmounting device..."
 
-	sudo woeusb -v --target-filesystem NTFS --device $2 $1
+	sudo woeusb -v --target-filesystem NTFS --device "$2" "$1"
 
 	echo $'This script requires woeusb to be installed, install it using the following PPA:\nsudo add-apt-repository ppa:nilarimogard/webupd8\nsudo apt update\nsudo apt install woeusb'
 

pdf2csv.sh

@@ -7,17 +7,17 @@ fi
 
 echo "Converting pdf to txt..."
 
-pdftotext -layout $1 $2.txt
+pdftotext -layout "$1" "$2.txt"
 
 # After convert it to txt we have to parse through the lines and separate the fields by commas
 
 echo "Converting txt to csv..."
 
 # Let's add an space after the first field, replace the commas with dots and then separate them
 
-awk '{ sub(/^[ \t]+/, ""); print}' $2.txt | sed 's/ /   /' | awk '{gsub(/,/,".")} 1' |
-awk  -F'[[:space:]][[:space:]]+' 'BEGIN{OFS=",";} {print $1, $2, $3, $4, $5, $6, $7}' > $2.csv
+awk '{ sub(/^[ \t]+/, ""); print}' "$2.txt" | sed 's/ /   /' | awk '{gsub(/,/,".")} 1' |
+awk  -F'[[:space:]][[:space:]]+' 'BEGIN{OFS=",";} {print $1, $2, $3, $4, $5, $6, $7}' > "$2.csv"
 
-rm $2.txt
+rm "$2.txt"
 
 echo "Done!"

run_script.sh

@@ -8,23 +8,23 @@ main() {
   fi
 
   # get flags
-  contest_flag=0
-  specify_flag=0
-  num_problems=0
   while getopts "h" flag; do
     case $flag in
       h)
-      print_usage
-      exit ;;
+        print_usage
+        exit ;;
+      *)
+        print_usage
+        exit 1 ;;
     esac
   done
 
   filename="$1"
-  run_file $filename
+  run_file "$filename"
 }
 
 run_file() {
-  g++ $1 && ./a.out -fmax-errors=1 <in.txt >out.txt 
+  g++ "$1" && ./a.out -fmax-errors=1 <in.txt >out.txt
 }
 
 print_usage() {