Wajid Rashid

#!/usr/bin/env bash
set -euo pipefail
TARGET_DIR="${1:-}"
if [[ -z "$TARGET_DIR" ]]; then
    echo "Usage: $0 <folder_to_backup>"
    exit 1
fi
if [[ ! -d "$TARGET_DIR" ]]; then
    echo "Error: Directory '$TARGET_DIR' does not exist."
    exit 2
fi
BACKUP_DIR="$HOME/backups"
mkdir -p "$BACKUP_DIR"
TIMESTAMP=$(date +"%Y-%m-%d_%H-%M-%S")
BACKUP_FILE="$BACKUP_DIR/backup_$TIMESTAMP.tar.gz"
tar -czf "$BACKUP_FILE" -C "$(dirname "$TARGET_DIR")" "$(basename "$TARGET_DIR")"
cleanup_old_backups() {
    mapfile -t backups < <(find "$BACKUP_DIR" -maxdepth 1 -type f -name "backup_*.tar.gz" | sort -r)
    if (( ${#backups[@]} > 5 )); then
        rm -f "${backups[@]:5}"
    fi
}

cleanup_old_backups

BACKUP_SIZE=$(du -h "$BACKUP_FILE" | cut -f1)
echo "Backup complete: $BACKUP_FILE ($BACKUP_SIZE)"

#!/usr/bin/env bash
set -euo pipefail

TEST_DIR=$(mktemp -d)
echo "test" > "$TEST_DIR/sample.txt"

OUTPUT=$(./backup.sh "$TEST_DIR")
echo "$OUTPUT"

CREATED_FILE=$(echo "$OUTPUT" | awk '{print $3}')

if [[ -f "$CREATED_FILE" ]]; then
    echo "Test passed: $CREATED_FILE was created."
else
    echo "Test failed: Backup file not found."
    rm -rf "$TEST_DIR"
    exit 1
fi

rm -rf "$TEST_DIR"