Linux 命令行合并文件:将多个Chr文件合并成一个文件
本文介绍如何在 Linux 命令行中使用 cat 命令将多个 Chr 文件合并成一个文件,以及如何处理更长的文件内容。
例如,将名为 Chr.1 和 Chr.test 的两个文件合并成一个名为 merged_file 的文件,可以使用以下命令:
cat Chr.1 Chr.test > merged_file
其中 > 表示将输出重定向到一个新文件,这里命名为 merged_file。
如果需要处理更长的文件,可以将需要合并的文件名写入一个文本文件中,然后使用 xargs 命令将文件名传递给 cat 命令。例如,将所有以 Chr. 开头的文件合并,可以使用以下步骤:
- 列出所有以
Chr.开头的文件并将其写入file_list文件:
ls Chr.* > file_list
- 使用
xargs命令将file_list文件中的内容作为参数传递给cat命令:
cat $(cat file_list) > merged_file
其中 $(cat file_list) 会将文本文件中的内容作为参数传递给 cat 命令,实现文件合并。
示例:
假设有两个文件:
Chr.1:
ASCDJSVHUIDSHNGDUHVDVHJKSNUJKDFHDUDSNFJDNSFJJFHJSJKHF
Chr.test:
DXVXKJCVBHKXCBVKJBNSJEHFUSHDBNJKBGSHBGKJSBDGKJBSDKFCNJLKHNLJEHFKLSFKLXJVKLKCLXJVKCXLJBLKXCJBKCXJNBKXCNKNFKXCVHUINWECLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNHKJXHCVKJXCHLVJCKXN CLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXN
使用以下命令将它们合并成一个名为 merged_file 的文件:
cat Chr.1 Chr.test > merged_file
merged_file 的内容将为:
ASCDJSVHUIDSHNGDUHVDVHJKSNUJKDFHDUDSNFJDNSFJJFHJSJKHF
DXVXKJCVBHKXCBVKJBNSJEHFUSHDBNJKBGSHBGKJSBDGKJBSDKFCNJLKHNLJEHFKLSFKLXJVKLKCLXJVKCXLJBLKXCJBKCXJNBKXCNKNFKXCVHUINWECLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNHKJXHCVKJXCHLVJCKXN CLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJJNGWJKEBFUEWBFUEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXNCLBHJHBVKLJXCHKJNGWJKEBFUEWEWBUFLHDKJNVJCXHJVKNCXJVHKJXHCVKJXCHLVJCKXN
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