unix - appening recursive command for a Linux STDIN -

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when moving / copying contents 1 folder another. asked if want overwrite files sharing identical names. in example: 

[root@public/]# sudo mv * /var/www/public/html/

for example, if public has 100 files exist in html ask if want overwrite each file name 100 time. there way append y command?

i linux newbie. know can stdin, stdout , stderr. though append doing < "echo y"; ain't working.

basically can use program yes such purposes:

yes | mv ...

yes called without arguments repeats string "y" forever if pass argument ouput argument. leads nice call

yes no | program

which can used repeatedly "no" :)

however, in case mv has option -f wich suppress questions , enforce actions. use care questions meant prevent data loss.


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