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- Join Date
- Oct 2008
Help needed with Linux homework...
1.) Write a sequence of commands or a script that demonstrates that variable expansion occurs before pathname expansion.
2.) Explain the behavior of the following shell script:
$ cat quote_demo
twoliner=”This is line 1.
This is line 2.”
a. How many arguments does each echo command see in this script? Explain.
b. Redefine the IFS shell variable so that the output of the second echo is the same as the first.
3.)The dirname utility treats its argument as a pathname and writes to standar output the path prefix – that is, everything up to but not including the last component:
If you give dirname a simple filename (no /charcters) as an argument, dirname writes a . to standar output.
$ dirname simple
Implement dirname as a bash function. Make sure that it behaves sensibly when given such arguments as /.
- Join Date
- May 2004
- arch linux
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