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Articles related to mandatory parameter

Use OptionParser to Parse Commands in Ruby - About.com
For example, "-f", "--file FILE" means the -f or --file switch takes a single parameter called FILE, and this parameter is mandatory. You cannot use either -f or --file ...
http://ruby.about.com/od/advancedruby/a/optionparser2.htm
ln - Linux Command - Unix Command
When using the second form with more than one TARGET, the last argument must ... Mandatory arguments to long options are mandatory for short options too.
http://linux.about.com/od/commands/l/blcmdl1_ln.htm
mkdir - Linux Command - Unix Command
Mandatory arguments to long options are mandatory for short options too. -m, -- mode=MODE: set permission mode (as in chmod), not rwxrwxrwx - umask; -p, ...
http://linux.about.com/library/cmd/blcmdl1_mkdir.htm
cp - Linux Command - Unix Command
DESCRIPTION. Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY . Mandatory arguments to long options are mandatory for short options too.
http://linux.about.com/od/commands/l/blcmdl1_cp.htm
traceroute - Linux Command - Unix Command
The only mandatory parameter is the destination host name or IP number. The default probe datagram length is 40 bytes, but this may be increased by ...
http://linux.about.com/library/cmd/blcmdl8_traceroute.htm
mv - Linux Command - Unix Command
DESCRIPTION. Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY. Mandatory arguments to long options are mandatory for short options too.
http://linux.about.com/library/cmd/blcmdl1_mv.htm
du - Linux Command - Unix Command - About.com
DESCRIPTION. Summarize disk usage of each FILE, recursively for directories. Mandatory arguments to long options are mandatory for short options too.
http://linux.about.com/library/cmd/blcmdl1_du.htm
Method Overloading and Default Parameters in Delphi - About.com
Extending Delphi functions and procedures with default (optional) parameters and method overloading.
http://delphi.about.com/od/objectpascalide/a/overloading.htm
sort - Linux Command - Unix Command
Mandatory arguments to long options are mandatory for short options too. -b, -- ignore-leading-blanks ignore leading blanks; -d, --dictionary-order: consider only  ...
http://linux.about.com/library/cmd/blcmdl1_sort.htm
ls - Linux Command - Unix Command
Mandatory arguments to long options are mandatory for short options too. -a, --all : do not hide entries starting with . -A, --almost-all: do not list implied . and .
http://linux.about.com/od/commands/l/blcmdl1_ls.htm
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