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Full Discussion: Creating a sed script to change ip addresses in a file
Top Forums Shell Programming and Scripting Creating a sed script to change ip addresses in a file Post 302599240 by ctsgnb on Thursday 16th of February 2012 01:24:36 PM
Old 02-16-2012
Make sure your environement and your variable are correctly set
For troubleshooting purpose, if necessary, add some lines to display the values of the variables just before you use them so you can check their values.

Also note that with the following, replacement will directly apply in $file :

Code:
printf ',s/-CPUaddr 10.30.10.166/-CPUaddr 10.30.10.151/g\nw\nq\n' | ed -s "$file"
printf ',s/-CPUaddr 10.30.10.167/-CPUaddr 10.30.10.152/g\nw\nq\n' | ed -s "$file"
printf ',s/-CPUaddr 10.30.10.170/-CPUaddr 10.30.10.153/g\nw\nq\n' | ed -s "$file"
printf ',s/-CPUaddr 10.30.10.171/-CPUaddr 10.30.10.154/g\nw\nq\n' | ed -s "$file"

 

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LEARN ABOUT MINIX

ascii

ASCII(7)						 Miscellaneous Information Manual						  ASCII(7)

NAME

       ascii - the ASCII character set.

DESCRIPTION

       The ASCII character set is as follows:

       |000 nul|001 soh|002 stx|003 etx|004 eot|005 enq|006 ack|007 bel|
       |010 bs |011 ht |012 nl |013 vt |014 np |015 cr |016 so |017 si |
       |020 dle|021 dc1|022 dc2|023 dc3|024 dc4|025 nak|026 syn|027 etb|
       |030 can|031 em |032 sub|033 esc|034 fs |035 gs |036 rs |037 us |
       |040 sp |041  ! |042  " |043  # |044  $ |045  % |046  & |047  ' |
       |050  ( |051  ) |052  * |053  + |054  , |055  - |056  . |057  / |
       |060  0 |061  1 |062  2 |063  3 |064  4 |065  5 |066  6 |067  7 |
       |070  8 |071  9 |072  : |073  ; |074  < |075  = |076  > |077  ? |
       |100  @ |101  A |102  B |103  C |104  D |105  E |106  F |107  G |
       |110  H |111  I |112  J |113  K |114  L |115  M |116  N |117  O |
       |120  P |121  Q |122  R |123  S |124  T |125  U |126  V |127  W |
       |130  X |131  Y |132  Z |133  [ |134   |135  ] |136  ^ |137  _ |
       |140  ` |141  a |142  b |143  c |144  d |145  e |146  f |147  g |
       |150  h |151  i |152  j |153  k |154  l |155  m |156  n |157  o |
       |160  p |161  q |162  r |163  s |164  t |165  u |166  v |167  w |
       |170  x |171  y |172  z |173  { |174  | |175  } |176  ~ |177 del|

       |00 nul|01 soh|02 stx|03 etx|04 eot|05 enq|06 ack|07 bel|
       |08 bs |09 ht |0A nl |0B vt |0C np |0D cr |0E so |0F si |
       |10 dle|11 dc1|12 dc2|13 dc3|14 dc4|15 nak|16 syn|17 etb|
       |18 can|19 em |1A sub|1B esc|1C fs |1D gs |1E rs |1F us |
       |20 sp |21  ! |22  " |23  # |24	$ |25  % |26  & |27  ' |
       |28  ( |29  ) |2A  * |2B  + |2C	, |2D  - |2E  . |2F  / |
       |30  0 |31  1 |32  2 |33  3 |34	4 |35  5 |36  6 |37  7 |
       |38  8 |39  9 |3A  : |3B  ; |3C	< |3D  = |3E  > |3F  ? |
       |40  @ |41  A |42  B |43  C |44	D |45  E |46  F |47  G |
       |48  H |49  I |4A  J |4B  K |4C	L |4D  M |4E  N |4F  O |
       |50  P |51  Q |52  R |53  S |54	T |55  U |56  V |57  W |
       |58  X |59  Y |5A  Z |5B  [ |5C	 |5D  ] |5E  ^ |5F  _ |
       |60  ` |61  a |62  b |63  c |64	d |65  e |66  f |67  g |
       |68  h |69  i |6A  j |6B  k |6C	l |6D  m |6E  n |6F  o |
       |70  p |71  q |72  r |73  s |74	t |75  u |76  v |77  w |
       |78  x |79  y |7A  z |7B  { |7C	| |7D  } |7E  ~ |7F del|

																	  ASCII(7)
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