文件的測試存在我有一個文件列表,我想管的命令來測試如果每個文件存在殼
cat files.txt | command
它存在不存在任何命令來做到這一點?我必須寫一個腳本嗎?你能幫我寫嗎?
例如:
> cat files.txt
libs/cakephp/app_exp/views/elements/export-menu.ctp
libs/cron/prad_import.php
main/css/admin/remarketing-graph.css
main/images/dropd-arrow.png
main/includes/forms/export/export_menu.php
main/jquery/jquery/jquery.cookie.js
main/mvc/controllers/remarketing/prad_controller.php
main/mvc/controllers/remarketing/remarketing_controller.php
但一些這方面的文件不退出,所以我想要做的
> cat files.txt | command
libs/cakephp/app_exp/views/elements/export-menu.ctp
main/css/admin/remarketing-graph.css
main/images/dropd-arrow.png
main/includes/forms/export/export_menu.php
main/jquery/jquery/jquery.cookie.js
只返回現有文件
'cat files.txt | command'可以更好地寫爲'command