Listing directories and ${1:+$1/}* Post: 60854

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Top Forums UNIX for Dummies Questions & Answers Listing directories and ${1:+$1/}* Post 60854 by bhargav on Monday 24th of January 2005 12:35:04 AM

01-24-2005

Registered User

Quote:

Q1 - What does
${1:+$1/}*
mean? I guess it lists all files in current directory - Could any one explain how this expression works?

Above expression is trying to list files (with relative path including paramter passed as first arg ) of the directory passed as argument.
If argument is not passed it lists the files/directories in the current directory.

See below ...

$ cat x.sh
echo ${1:+$1/}*

$ ./x.sh 1234
1234/subdir1 1234/subdir2 1234/subdir3 1234/subdir4 1234/subdir5

$ ls 1234
subdir1 subdir2 subdir3 subdir4 subdir5
$ ./x.sh
1234

bhargav

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