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I need to copy all *.jar files from directory and all its subdirectories. How can I do it in UNIX/Linux terminal? Command cp -r *.jar /destination_dir doesn't work.
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In order to copy a directory on Linux, you have to execute the “cp” command with the “-R” option for recursive and specify the source and destination directories to be copied. As an example, let's say that you want to copy the “/etc” directory into a backup folder named “/etc_backup”.
To copy files or directories in recursive manner, use -r or -R option.
Use xcopy with /S switch to copy all files and directories recursively.
rsync is useful for local file copying as well as between machines. This will do what you want:
rsync -avm --include='*.jar' -f 'hide,! */' . /destination_dir
The entire directory structure from . is copied to /destination_dir, but only the .jar files are copied. The -a ensures all permissions and times on files are unchanged. The -m will omit empty directories. -v is for verbose output.
For a dry run add a -n, it will tell you what it would do but not actually copy anything.
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