The usual example for using getopt in bash is as follow
args=`getopt abo: $*`
errcode=$?
set -- $args
What does that last line achieve?
The usual example for using getopt in bash is as follow args=`getopt abo: $*`
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The usual example for using getopt in bash is as follow
args=`getopt abo: $*`
errcode=$?
set -- $args
What does that last line achieve?
This explains it very well. Essentially, it is to break a single argument with multiple flags into multiple arguments each with single flag:
Whether you call your script as
or as
after the
set -- $args,$1will be-aand$2will be-b. It makes processing easier.BTW,
getoptsis much better