Delete contents of file unix

Julie 4 Replies. To delete content of many file. Hi All, I want to delete the content of some files,which are specified through wild-card option,but i want to restore the file. Please provide me the answer. Thaning u all in advance Athresh 4 Replies. RedHat Commands. OpenSolaris Commands. Linux Commands.

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What about truncate -s 0 filename? The first will work only if called from bash command line, but won't work if executed in a. It does create an empty file if none existed. Add a comment. Active Oldest Votes. Improve this answer. Ploni 4 4 bronze badges. So why do you say that truncate is the most efficient? The truncate operation uses the ftruncate or truncate system call which does not bother to open the file. If we use touch filename , will the inode remain same provided there was a file before?

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