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Top Forums Shell Programming and Scripting deleting 'carriage return' from string Post 302174274 by viko on Monday 10th of March 2008 03:24:55 PM
Old 03-10-2008
i get string from a sql query, so it's in a variable: $string

i can't see carriage return any time in variable, because echo $string does no print these. and i'm not sure i'm talking about a CR.

but i'm sure something is in there, because if i try
var1='
reply'

and then i try

if [ $var1 == 'reply' ]; then

this returns false value. but again, i'm not sure if a carriage return is inside the variable.

i was trying with
${string/^M/}

but no changes.

Last edited by viko; 03-10-2008 at 04:30 PM..
 

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getstr(3cur)															      getstr(3cur)

Name
       getstr, mvgetstr, mvwgetstr, wgetstr - read string

Syntax
       #include <cursesX.h>

       int getstr(str)
       char *str;

       int wgetstr(win, str)
       WINDOW *win;
       char *str;

       int mvgetstr(y, x, str)
       int y, x;
       char *str;

       int mvwgetstr(win, y, x, str)
       WINDOW *win;
       int y, x;
       char *str;

Description
       The  routine  reads  characters from the terminal associated with the default window and stores them in a buffer until a carriage return or
       newline is received from The routine B is called by to read each character.

       The routine reads characters from the terminal associated with the specified window.  The characters are read from the current cursor posi-
       tion until a newline or carriage return is received.

       The routine reads characters from the terminal associated with the default window.  The characters are read from the specified cursor posi-
       tion until a newline or carriage return is received.

       The routine reads characters from the terminal associated with the specified window.  The characters are read  from  the  specified  cursor
       position until a newline or carriage return is received.

       The following information applies to all the routines.

       The  resulting  string is placed in the area pointed to by the character pointer The user's erase and kill characters are interpreted.  The
       area used to hold the string is assumed to be large enough to handle it, as does not check for buffer overflow.	If the area is	not  large
       enough, the result will be unpredictable.

       The routines and are macros.

Return Values
       The and functions return OK on success and ERR on error.

See Also
       getch(3cur)

																      getstr(3cur)
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