RosettaCodeData/Task/File-size/Action-/file-size-1.action

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INCLUDE "D2:IO.ACT" ;from the Action! Tool Kit
PROC Dir(CHAR ARRAY filter)
BYTE dev=[1]
CHAR ARRAY line(255)
Close(dev)
Open(dev,filter,6)
DO
InputSD(dev,line)
PrintE(line)
IF line(0)=0 THEN
EXIT
FI
OD
Close(dev)
RETURN
CARD FUNC FileSize(CHAR ARRAY src,dst)
DEFINE BUF_LEN="100"
BYTE dev=[1]
BYTE ARRAY buff(BUF_LEN)
CARD len,size
size=0
Close(dev)
Open(dev,src,4)
DO
len=Bget(dev,buff,BUF_LEN)
size==+len
UNTIL len#BUF_LEN
OD
Close(dev)
RETURN (size)
PROC Main()
CHAR ARRAY filter="D:*.*", fname="D:INPUT.TXT"
CARD size
Put(125) PutE() ;clear screen
PrintF("Dir ""%S""%E",filter)
Dir(filter)
size=FileSize(fname)
PrintF("Size of ""%S"" is %U bytes%E",fname,size)
RETURN