dc: Invocation

1 
1 2 Invocation
1 ************
1 
1 'dc' may be invoked with the following command-line options:
1 
1 '-e EXPR'
1 '--expression=EXPR'
1      Evaluate EXPR as 'dc' commands.
1 
1 '-f FILE'
1 '--file=FILE'
1      Read and evaluate 'dc' commands from FILE.
1 
1 '-h'
1 '--help'
1      Print a usage message summarizing the command-line options, then
1      exit.
1 
1 '-V'
1 '--version'
1      Print the version information for this program, then exit.
1 
1    If any command-line parameters remain after processing the options,
1 these parameters are interpreted as additional FILEs whose contents are
1 read and evaluated.  A file name of '-' refers to the standard input
1 stream.  If no '-e' option was specified, and no files were specified,
1 then the standard input will be read for commands to evaluate.
1