関連ワード:  shell script to delete a file    bash script to delete a file    bash script to delete a file if it exists    shell script command to delete a file    shell script to delete files older than 7 days    shell script to delete files older than 30 days    shell script to delete files from multiple folders    shell script to delete files with specific name    shell script to delete files older than 90 days    bash script to remove a file