C C C MARXER.FOR C* ********************************************** C CHARACTER*132 STRING CHARACTER*50 INFILE,OUTFILE,FILENAME CHARACTER*40 FNAME,ASTRING integer*2 h,k,l LOGICAL EFLG WRITE(6,1000) 1000 FORMAT(//' Enter name of file w strings to be divided:') 5 write(6,1100) 1100 FORMAT(/'$Input filename (CR to quit): ') READ(5,1200) INFILE 1200 FORMAT(A) IF (INFILE(:5).EQ.' ') STOP INQUIRE(FILE=INFILE, NAME=FILENAME,EXIST=EFLG) IF (.NOT.EFLG) GOTO 5 OPEN (UNIT=2,FILE=INFILE,readonly,STATUS='OLD') WRITE(6,1600) 1600 FORMAT('$Output filename: ') READ(5,1200) OUTFILE OPEN(UNIT=3,FILE=OUTFILE,STATUS='NEW') c OPEN (UNIT=3,FILE='temp.txt',STATUS='NEW') write (6,*)'enter character positions for start, end of substring:' read (5,*)I,J 200 read(2,300,end=990)STRING write(3,300) STRING(I:J) 300 FORMAT (A) goto 200 990 CLOSE(UNIT=2) CLOSE (UNIT=3) END