Bash Scripting - File Operations in Scripts
How can you create a secure temporary directory inside
/var/tmp using mktemp in bash?How can you create a secure temporary directory inside /var/tmp using mktemp in bash?
hard🚀 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Use
The-dto create directory-doption creates a directory instead of a file.Step 2: Specify template with XXXXXX
The template/var/tmp/tmp.XXXXXXensures a unique directory name inside/var/tmp.Step 3: Analyze other options
tempdir=$(mktemp -d /var/tmp) lacks the template and will fail. tempdir=$(mktemp /var/tmp/tmp.XXXXXX) creates a file, not a directory. tempdir=$(mktemp -f /var/tmp/tmp.XXXXXX) uses invalid-fflag.Final Answer:
tempdir=$(mktemp -d /var/tmp/tmp.XXXXXX) -> Option AQuick Check:
Does the command create a unique temp directory in /var/tmp? Yes. [OK]
Quick Trick: Use mktemp -d with full path and XXXXXX template [OK]
Common Mistakes:
MISTAKES- Omitting the template with XXXXXX
- Using wrong flags or creating files instead of directories
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