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Full Discussion: Standard_in error
Top Forums Shell Programming and Scripting Standard_in error Post 303000515 by Mathew_paul on Thursday 13th of July 2017 01:20:16 PM
Old 07-13-2017
Standard_in error
Code:
# echo '6.5 < 2.7 ' |bc
0
# echo '4.8.5 > 4.8.4' |bc
(standard_in) 1: syntax error
(standard_in) 1: syntax error

----------------------------------------------------------
Code:
FILESET_A_VER_CHK2=4.8.5
FILESET_R_NAME_CHK2=4.8.5

if [[ `echo "$FILESET_A_VER_CHK2 > $FILESET_R_NAME_CHK2" |bc` -eq 1 ]] ; then
##      echo "Fileset is higher "
      STATUS="VALID"
      CHK1=N
   else
      if [[ `echo "$FILESET_A_VER_CHK2 < $FILESET_R_NAME_CHK2" |bc` -eq 1 ]] ; then
##         echo "Fileset is lower "
          STATUS="INVALID"
          CHK1=N
       else
          CHK2=N
      fi
    fi

--------------------------

Code:
+ FILESET_A_VER_CHK2=4.8.5
+ FILESET_R_NAME_CHK2=4.8.5
++ echo '4.8.5 > 4.8.5'
++ bc
(standard_in) 1: syntax error
(standard_in) 1: syntax error
+ [[ '' -eq 1 ]]
++ echo '4.8.5 < 4.8.5'
++ bc
(standard_in) 1: syntax error
(standard_in) 1: syntax error
+ [[ '' -eq 1 ]]
+ CHK2=N

Last edited by jim mcnamara; 07-13-2017 at 05:09 PM..
 

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LEARN ABOUT SUNOS

echo

echo(3XCURSES)						  X/Open Curses Library Functions					    echo(3XCURSES)

NAME

       echo, noecho - enable/disable terminal echo

SYNOPSIS

       cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib 
       -R /usr/xpg4/lib -lcurses [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       int echo(void);

       int noecho(void);

DESCRIPTION

       The  echo()  function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
       curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control  soft-
       ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.

RETURN VALUES

       Upon successful completion, these functions return OK. Otherwise, they return ERR.

ERRORS

       No errors are defined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)

SunOS 5.10							    5 Jun 2002							    echo(3XCURSES)
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