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Full Discussion: Find and replace with variable using sed or awk
Top Forums Shell Programming and Scripting Find and replace with variable using sed or awk Post 302437772 by dr.house on Friday 16th of July 2010 05:34:26 AM
Old 07-16-2010
Code:
#!/bin/bash

while read LINE
do
  OLD=$( echo $LINE | cut -d, -f2 )
  NEW=$( echo $LINE | cut -d, -f1 )
  echo "$OLD <> $NEW"
  sed -e "s/^$OLD/$NEW/" -i mail_temp
done < replacements

exit 0
#finis

Code:
[house@leonov] cat replacements
Bell BB,Bell_BB
Bell,Bell_MONTHLY
SOLO,SOLO_UNBEATABLE
[house@leonov] cat mail_temp
Bell_BB 17
Bell_MONTHLY 888
SOLO_UNBEATABLE 721
[house@leonov] bash code.bash
Bell_BB <> Bell BB
Bell_MONTHLY <> Bell
SOLO_UNBEATABLE <> SOLO
[house@leonov] cat mail_temp
Bell BB 17
Bell 888
SOLO 721

 

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gtty

stty(2) 							System Calls Manual							   stty(2)

NAME

       stty(), gtty() - control terminal device (Bell Version 6 compatibility)

SYNOPSIS

   Remarks
       These system calls are preserved for backward compatibility with Bell Version 6.  They provide as close an approximation as possible to the
       old Version 6 functions.  All new code should use the and calls described in termio(7).

DESCRIPTION

       For certain status settings and status inquiries about terminal devices, the functions and are equivalent to

       and

       respectively (see ioctl(2) and termio(7).

RETURN VALUE

       and return the following values:

	      Successful completion.
	      Failure.
		     is set to indicate the error.

ERRORS

       If or fails, is set to one of the following values:

       [EBADF]	      is not a valid file descriptor.

       [EFAULT]       points to an invalid address.

WARNINGS

   Obsolescent Interfaces
       and are to be obsoleted at a future date.

SEE ALSO

       stty(1), exec(2), ioctl(2), sttyV6(7), termio(7), tty(7).

								  TO BE OBSOLETED							   stty(2)
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