UNIX supports a wide variety of directory-navigation tools. Two good tools are pushd and popd.You’re certainly aware that the cd command changes your current directory. What happens if you have several directories to navigate, but you want to be able to quickly return to a location? The pushd and popd commands create a virtual [...]
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Here is another great tip from IBM. I love this. The !$ command returns the last argument used with a command. But what happens if you have a command that used arguments and you want to reuse just one of them? The !:1 operator returns the argument used in a command. The example in [...] This post is from Unix tips from IBM. What happens if you’re using the same file name for a series of commands? Well, there’s a shortcut that can quickly retrieve the last file name you used.What happens if you’re using the same file name for a series of commands? Well, there’s a shortcut that can [...] I keep forgetting the correct syntax…. % script 2>& logfile There are so many little things to remember in this command that I always have to lookup what switches to use. So here are a few ways of using find To find all files modified in the last 24 hours (last full day) in current directory and its sub-directories: find . -mtime -1 -print Flag -mtime -1 option [...] This is a neat trick to know and saves a lot of time: Go to the beginning of the line where you want to start copying. Here is a nice tip on unix find.. $ find . cpio -pdumv /path/to/destination/dir the files found by find are passed into cpio and it copies the files with the same permissions to the destination directory. If you untar a package, and it makes a mess of your directory because the packager didn’t include the files in his tarball in a directory, you can use% rm `tar ftz package.tar.gz` to quickly get rid of those cluttering files. % rm `tar ft package.tar` does the same thing. |
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