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Full Discussion: Creating new directories
Top Forums Shell Programming and Scripting Creating new directories Post 303013215 by milhan on Saturday 17th of February 2018 02:52:40 PM
Old 02-17-2018
Quote:
Originally Posted by kristinu
I suppose this will only check if the directory `./iv.sac/resu/hhz.d`
exists but might overwrite `./iv.sac/resu` for example.

Would like to make this foolproof. What can I do?
mkdir -p will create intermediary directories only as necessary. That is, it won't try to re-create it if the directory already exists.
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MKDIR(1)						    BSD General Commands Manual 						  MKDIR(1)

NAME
mkdir -- make directories SYNOPSIS
mkdir [-pv] [-m mode] directory_name ... DESCRIPTION
The mkdir utility creates the directories named as operands, in the order specified, using mode rwxrwxrwx (0777) as modified by the current umask(2). The options are as follows: -m mode Set the file permission bits of the final created directory to the specified mode. The mode argument can be in any of the formats specified to the chmod(1) command. If a symbolic mode is specified, the operation characters ``+'' and ``-'' are interpreted rela- tive to an initial mode of ``a=rwx''. -p Create intermediate directories as required. If this option is not specified, the full path prefix of each operand must already exist. On the other hand, with this option specified, no error will be reported if a directory given as an operand already exists. Intermediate directories are created with permission bits of rwxrwxrwx (0777) as modified by the current umask, plus write and search permission for the owner. -v Be verbose when creating directories, listing them as they are created. The user must have write permission in the parent directory. DIAGNOSTICS
The mkdir utility exits 0 on success, and >0 if an error occurs. SEE ALSO
rmdir(1) COMPATIBILITY
The -v option is non-standard and its use in scripts is not recommended. STANDARDS
The mkdir utility is expected to be IEEE Std 1003.2 (``POSIX.2'') compatible. HISTORY
A mkdir command appeared in Version 1 AT&T UNIX. BSD
January 25, 1994 BSD
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