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zulfi123786
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Shell Programming and Scripting
01-20-2013
4
Significance of ':-' while accessing a variable
1,203
Posted By
Scrutinizer
It means: ${parameter:-word} Use Default...
It means:
${parameter:-word}
Use Default Values. If parameter is unset or null, the expansion of word shall be substituted; otherwise, the value of parameter shall be substituted.
See Shell...
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