【shell脚本进阶】几个常用的shell进阶脚本-shell 脚本教程

博主经常在工作中使用shell脚本，有些流程比较单一但是由很有规律的操作，往往就是脚本使用的最佳应用场景。

虽然在当下python脚本已经非常的普及了，初入行的朋友可能一想到“脚本”，就只想到“python脚本”。但对于我这个“行业老饼”，shell脚本却还是有一席之地的，毕竟在我们入行那会，还真没python什么事！

本文呢，主要是给大家介绍几个我在工作中常用的，但又非常有用且操作高效的脚本，感兴趣的可以往下一看。

一、搜索想要的C文件并拷贝到一个指定的目录

这个案例很有用，我直接上操作指引：

复制recan@ubuntu:~/win_share_workspace/test_share$ find . -name *.c ./test_gcc/pass_array2_test.c ./test_gcc/test.c ./test_jd_paper_test/test.c ./test_python_gcc_map/main.c ./test_python_gcc_map/libf.c ./test_python_gcc_map/libd.c ./test_python_gcc_map/libe.c ./test_python_gcc_map/libb.c ./test_python_gcc_map/liba.c ./master_mode_sdk/app/bl2028n_linkkitapp/app_entry.c ./master_mode_sdk/app/tg7100c_linkkitapp/app_entry.c ./master_mode_sdk/app/sv6266_linkkitapp/app_entry.c ./jx_sdk_config/jx_sdk_config.c ./jx_sdk_config/cJSON.c ./jx_sdk_config/main.c ./test_coredump/test_cordump.c ./tcp_echo/tcp_server.c ./tcp_echo/tcp_client.c ./test_aligned_macro/main.c ./test_gcc_test/test.c ./test_for_loop/test.c ./test_bin2array/bin2array.c ./test_cli_for_linux/src/cli_dumpsys.c ./test_cli_for_linux/src/jx_os_cli.c ./test_cli_for_linux/src/cli_default_command.c ./test_cli_for_linux/src/cli.c ./test_cli_for_linux/src/cli_adapt.c ./test_cli_for_linux/tcp_server.c ./test_cli_for_linux/adapter_for_linux/main.c ./test_cli_for_linux/adapter_for_linux/uart.c ./test_cli_for_linux/adapter_for_linux/osal.c ./test_hexdump/test_hexdump.c recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ find . -name *.c | xargs -i cp -rf {} /tmp/test_share/ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ ls /tmp/test_share/ app_entry.c cJSON.c cli.c cli_dumpsys.c jx_sdk_config.c libb.c libe.c main.c pass_array2_test.c tcp_server.c test_cordump.c uart.c bin2array.c cli_adapt.c cli_default_command.c jx_os_cli.c liba.c libd.c libf.c osal.c tcp_client.c test.c test_hexdump.c recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$

主要脚本命令：复制find . -name *.c | xargs -i cp -rf {} /tmp/test_share/

二、编译链接的时候把所有的object文件输出一行

这是一个真实的应用场景，我就经常遇到，我一般是这样操作：

复制recan@ubuntu:~/win_share_workspace/test_share$ find . -name *.o ./test_makefile_paper/bar.o ./test_gcc_test/test.o ./test_for_loop/test.o recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ find . -name *.o | xargs echo -n ./test_makefile_paper/bar.o ./test_gcc_test/test.o ./test_for_loop/test.o recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$

关键脚本命令：复制find . -name *.o | xargs echo -n

三、查看当前目录下所有C文件的大小

这个也应经常用的，见案例操作：

复制recan@ubuntu:~/win_share_workspace/test_share$ find . -name *.c | xargs ls -alh -rwxr-xr-x 1 recan system 64K Jul 19 2021 ./jx_sdk_config/cJSON.c -rwxr-xr-x 1 recan system 6.6K Jul 22 2021 ./jx_sdk_config/jx_sdk_config.c -rwxr-xr-x 1 recan system 472 Jul 21 2021 ./jx_sdk_config/main.c -rwxr-xr-x 1 recan recan 0 Jul 12 2021 ./master_mode_sdk/app/bl2028n_linkkitapp/app_entry.c -rwxr-xr-x 1 recan recan 0 Jul 12 2021 ./master_mode_sdk/app/sv6266_linkkitapp/app_entry.c -rwxr-xr-x 1 recan recan 0 Jul 12 2021 ./master_mode_sdk/app/tg7100c_linkkitapp/app_entry.c -rwxr-xr-x 1 recan recan 5.3K Jan 15 2022 ./tcp_echo/tcp_client.c -rwxr-xr-x 1 recan recan 6.9K Jan 15 2022 ./tcp_echo/tcp_server.c -rw-r–r– 1 recan recan 1.1K Aug 4 2021 ./test_aligned_macro/main.c -rwx—— 1 recan system 1.9K Aug 24 2021 ./test_bin2array/bin2array.c -rwx—— 1 recan system 1.3K Jan 16 2022 ./test_cli_for_linux/adapter_for_linux/main.c -rwx—— 1 recan system 857 Jan 15 2022 ./test_cli_for_linux/adapter_for_linux/osal.c -rwx—— 1 recan system 1.4K Jan 15 2022 ./test_cli_for_linux/adapter_for_linux/uart.c -rwx—— 1 recan system 2.1K Jan 15 2022 ./test_cli_for_linux/src/cli_adapt.c -rwx—— 1 recan system 27K Jan 15 2022 ./test_cli_for_linux/src/cli.c -rwx—— 1 recan system 8.0K Nov 9 2021 ./test_cli_for_linux/src/cli_default_command.c -rwx—— 1 recan system 1.3K Nov 9 2021 ./test_cli_for_linux/src/cli_dumpsys.c -rwx—— 1 recan system 1.6K Dec 13 2021 ./test_cli_for_linux/src/jx_os_cli.c -rwxr-xr-x 1 recan system 9.1K Jan 16 2022 ./test_cli_for_linux/tcp_server.c -rwx—— 1 recan system 626 Aug 18 2021 ./test_coredump/test_cordump.c -rw-r–r– 1 recan system 768 Jan 27 2022 ./test_for_loop/test.c -rw-r–r– 1 recan system 817 Sep 7 2021 ./test_gcc/pass_array2_test.c -rwxr-xr-x 1 recan recan 233 Jul 6 2021 ./test_gcc/test.c -rw-r–r– 1 recan recan 87 Jun 11 2021 ./test_gcc_test/test.c -rwx—— 1 recan system 1.8K Sep 8 2021 ./test_hexdump/test_hexdump.c -rwx—— 1 recan system 1.7K Aug 31 2021 ./test_jd_paper_test/test.c -rw-r–r– 1 recan system 225 Aug 31 2021 ./test_python_gcc_map/liba.c -rw-r–r– 1 recan system 225 Aug 31 2021 ./test_python_gcc_map/libb.c -rw-r–r– 1 recan system 225 Aug 31 2021 ./test_python_gcc_map/libd.c -rw-r–r– 1 recan system 225 Aug 31 2021 ./test_python_gcc_map/libe.c -rw-r–r– 1 recan system 225 Aug 31 2021 ./test_python_gcc_map/libf.c -rw-r–r– 1 recan system 492 Aug 31 2021 ./test_python_gcc_map/main.c

关键脚本命令：复制find . -name *.c | xargs ls -alh

四、把几个文本文件按顺序拼接起来

复制recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ echo 111111 > 1.txt recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ echo 222222 > 2.txt recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ echo 333333 > 3.txt recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ cat 1.txt 2.txt 3.txt > all.txt recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ recan@ubuntu:~/win_share_workspace/test_share$ cat all.txt 111111 222222 333333 recan@ubuntu:~/win_share_workspace/test_share$

关键脚本命令：复制cat 1.txt 2.txt 3.txt > all.txt

以上几个常用的脚本操作，你都学会了吗？欢迎讨论。