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 NAME     
 |  |  |  | getflags, usage – command-line parsing for shell scripts 
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 SYNOPSIS     
 |  |  |  | getflags $* 
    
    
    usage [ progname ] 
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 DESCRIPTION     
 |  |  |  | Getflags parses the options in its command-line arguments according
    to the environment variable $flagfmt. This variable should be
    a list of comma-separated options. Each option can be a single
    letter, indicating that it does not take arguments, or a letter
    followed by the space-separated names of its arguments. Getflags
    prints an rc(1) script on
    standard output which initializes the environment variable $flagx
    for every option mentioned in $flagfmt. If the option is not present
    on the command-line, the script sets that option’s flag variable
    to an empty list. Otherwise, the script sets that option’s flag
    variable with a list containing the option’s arguments or, if
    the option takes no arguments, with
    the string 1. The script also sets the variable $* to the list
    of arguments following the options. The final line in the script
    sets the $status variable, to the empty string on success and
    to the string usage when there is an error parsing the command
    line. 
    
    
    Usage prints a usage message to standard error. It creates the
    message using $flagfmt, as described above, $args, which should
    contain the string to be printed explaining non-option arguments,
    and $0, the program name (see rc(1)). If run under sh(1), which
    does not set $0, the program name must be given explicitly on
    the command line. | 
 EXAMPLE     
 |  |  |  | Parse the arguments for leak(1): 
 |  |  |  | flagfmt='b,s,f binary,r res,x width' args='name | pid list'
 if(! ifs=() eval `{getflags $*} || ~ $#* 0){
 }
 
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 SOURCE     
 SEE ALSO    
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