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Chapter 16 Where Did I Put That? |
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16.15 Script with a :-) for UNIX Converts: dir, ..., ...
I've switched back and forth between UNIX, VMS, MS/DOS, and other OSes. Others use DIR to do what ls does on UNIX. I wrote a script that saves me retyping a command and gives me a grin, too:
%dirHey! This is UNIX! Well, okay... but just this once... total 265 -rw-rw-r-- 1 ellie 47279 Dec 16 13:22 2edit.2 -rw-r--r-- 1 jerry 21802 Nov 12 18:24 7911.ps drwxrwsr-x 2 jerry 14848 Dec 24 07:17 RCS
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hey
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The Bourne shell script, named hey , is simple. It prints its complaint to standard error so the message won't be redirected into a file or down a pipe. Then it tests the name you called it with (in this case, dir ) and runs the command you've configured it to run instead (here, ls -l ): |
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$@ |
case "$0" in
*dir) ls -l ${1+"$@"} ;;
*md) mkdir ${1+"$@"} ;;
...and so on...
esac
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You can give the single hey script file as many names as you want by making links ( 18.3 ) to it. Article 8.8 shows a similar setup with a different purpose.
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| 16.14 Showing Non-Printable Characters in Filenames |
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16.16 Picking a Unique Filename Automatically |
