Determine if a file is writable by a Bourne script user

Posted October 20, 2003 by Rex in Bourne shell scripting

From a Bourne shell script (sh, ksh, bash, …), it is possible to test if a file exists and is writable by the user running the script.


if [ -w testfile ]
then
echo testfile is writable!
else
echo non writable...
fi

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