Linux常用基本命令(xargs )

ghostwu@dev:~/linux/cp$ ls ghostwu_hardlink ghostwu_home ghostwu_softlink ghostwu.txt ghostwu@dev:~/linux/cp$ cat ghostwu.txt 1 2 3 4 5 6 7 8 9 10 ghostwu@dev:~/linux/cp$ xargs < ghostwu.txt 1 2 3 4 5 6 7 8 9 10

ghostwu@dev:~/linux/cp$ xargs -n 2 < ghostwu.txt 1 2 3 4 5 6 7 8 9 10

ghostwu@dev:~/linux/cp$ echo a-b-c-d a-b-c-d ghostwu@dev:~/linux/cp$ echo a-b-c-d | xargs -d - a b c d

ghostwu@dev:~$ ls Desktop examples.desktop linux Pictures python tmp Documents git_test Music project software Videos Downloads info php Public Templates ghostwu@dev:~$ ls tmp ghostwu@dev:~$ find . -name "*.py" | xargs -i cp -a {} tmp/ ghostwu@dev:~$ ls tmp for.py func3.py func5.py global2.py while1.py func2.py func4.py func.py global.py while.py

ghostwu@dev:~$ ls tmp for.py func3.py func5.py global2.py while1.py func2.py func4.py func.py global.py while.py ghostwu@dev:~$ touch tmp/{a..f}.txt ghostwu@dev:~$ ls tmp a.txt c.txt e.txt f.txt func3.py func5.py global2.py while1.py b.txt d.txt for.py func2.py func4.py func.py global.py while.py ghostwu@dev:~$ find ./tmp -name "*.py" | xargs -i rm -rf {} ghostwu@dev:~$ ls tmp a.txt b.txt c.txt d.txt e.txt f.txt

ghostwu@dev:~/tmp$ touch "hello ghostwu.txt" ghostwu@dev:~/tmp$ ls a.txt b.txt c.txt d.txt e.txt f.txt hello ghostwu.txt ghostwu@dev:~/tmp$ touch hi\ ghostwu.txt ghostwu@dev:~/tmp$ ls a.txt b.txt c.txt d.txt e.txt f.txt hello ghostwu.txt hi ghostwu.txt ghostwu@dev:~/tmp$ rm hello\ ghostwu.txt ghostwu@dev:~/tmp$ ls a.txt b.txt c.txt d.txt e.txt f.txt hi ghostwu.txt ghostwu@dev:~/tmp$ rm hi\ ghostwu.txt ghostwu@dev:~/tmp$ ls a.txt b.txt c.txt d.txt e.txt f.txt

ghostwu@dev:~/tmp$ ls alltxt.tar.gz b.txt d.txt f.txt hi ghostwu.txt a.txt c.txt e.txt hello ghostwu.txt ghostwu@dev:~/tmp$ find . -name "*.txt" | xargs rm rm: cannot remove './hello': No such file or directory rm: cannot remove 'ghostwu.txt': No such file or directory rm: cannot remove './hi': No such file or directory rm: cannot remove 'ghostwu.txt': No such file or directory ghostwu@dev:~/tmp$ ls alltxt.tar.gz hello ghostwu.txt hi ghostwu.txt

ghostwu@dev:~/tmp$ ls alltxt.tar.gz b.txt d.txt f.txt hi ghostwu.txt a.txt c.txt e.txt hello ghostwu.txt ghostwu@dev:~/tmp$ find . -name "*.txt" -print0 | xargs -0 rm ghostwu@dev:~/tmp$ ls alltxt.tar.gz

ghostwu@dev:~/tmp$ ls ghostwu@dev:~/tmp$ find ~ -name "*.py" | xargs tar cvf allpy.tar.gz tar: Removing leading `/' from member names /home/ghostwu/python/func2.py /home/ghostwu/python/func3.py /home/ghostwu/python/func4.py /home/ghostwu/python/func.py /home/ghostwu/python/global.py /home/ghostwu/python/global2.py /home/ghostwu/python/while.py /home/ghostwu/python/for.py /home/ghostwu/python/func5.py /home/ghostwu/python/while1.py ghostwu@dev:~/tmp$ ls allpy.tar.gz ghostwu@dev:~/tmp$ tar -tvf allpy.tar.gz -rw-rw-r-- ghostwu/ghostwu 179 2018-03-18 21:29 home/ghostwu/python/func2.py -rw-rw-r-- ghostwu/ghostwu 58 2018-03-18 21:31 home/ghostwu/python/func3.py -rw-rw-r-- ghostwu/ghostwu 81 2018-03-18 21:33 home/ghostwu/python/func4.py -rw-rw-r-- ghostwu/ghostwu 44 2018-03-18 21:26 home/ghostwu/python/func.py -rw-rw-r-- ghostwu/ghostwu 150 2018-03-18 21:53 home/ghostwu/python/global.py -rw-rw-r-- ghostwu/ghostwu 124 2018-03-18 21:55 home/ghostwu/python/global2.py -rw-rw-r-- ghostwu/ghostwu 90 2018-03-18 21:19 home/ghostwu/python/while.py -rw-rw-r-- ghostwu/ghostwu 82 2018-03-18 21:08 home/ghostwu/python/for.py -rw-rw-r-- ghostwu/ghostwu 99 2018-03-18 21:48 home/ghostwu/python/func5.py -rw-rw-r-- ghostwu/ghostwu 92 2018-03-18 21:23 home/ghostwu/python/while1.py