4.13 sddscast

• description: sddscast can be ussed to change the data type of the elements in an SDDS file.
• example: Convert the double columns of APS.twi to float (note that col1, col2,col3 are the column names in APS.twi file):

  sddscast APS.twi -cast=col,*,double,float

  sddscast APS.twi -cast=col,’(col1,col2,col3)’,double,float

  sddscast APS.twi -cast=col,’(col1,col4,col5)’,’(double,float,float)’,long

  or:

  sddscast APS.twi ’-cast=col,(col1,col4,col5),(double,float,float),long’

• files: inputFile is an SDDS file containing data to be processed. The outputFile argument is optional. If it is not given, and if an output pipe is not selected, then the input file will be replaced.
• switches:
  • -cast=column|parameter|array,<names>,<typeNames>,<newType> names is of the form ’name’ (with optional wildcards) or ’(name,name,....)’; typeNames is of the form ’(long,short,double,float,*)’ ; newType is long, short,double, or float.
  • -pipe=[input][,output] –pipe flages.
  • -noWarnings — Suppresses warning messages, such as file replacement warnings.
• author:H. Shang ANL/APS.