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Old 03-18-2008
antointoronto antointoronto is offline
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rename multiple files

Hi,

can anyone have a ksh script to rename multiple files (ie to remove .Z extension of the files)

can someone correct this?

for i in *.Z
do
var1 = substr($i, 1,at(".Z",$i)-1)
mv $i $var1
done

Thanks..
Antony
  #2 (permalink)  
Old 03-18-2008
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joeyg joeyg is offline Forum Staff  
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Wink One approach, although not sure if basename exists in all unix flavors

The following does a copy; you can change to the move (mv) command


Code:
> cat copy_csv
#! /bin/bash

for i in *.csv
do
  var1=$(basename "$i" .csv)
  cp $i $var1
done

  #3 (permalink)  
Old 03-18-2008
Franklin52 Franklin52 is offline Forum Staff  
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Another one:


Code:
ls *.Z|sed 's/\(.*\)\.Z/mv & \1/'|sh

Try this first to be shure you get the right files before sh do the job:


Code:
ls *.Z|sed 's/\(.*\)\.Z/mv & \1/'

Regards
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Old 03-18-2008
antointoronto antointoronto is offline
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Quote:
Originally Posted by Franklin52 View Post
Another one:


Code:
ls *.Z|sed 's/\(.*\)\.Z/mv & \1/'|sh

Try this first to be shure you get the right files before sh do the job:


Code:
ls *.Z|sed 's/\(.*\)\.Z/mv & \1/'

Regards
Thanks a lot. it works well
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Old 03-18-2008
antointoronto antointoronto is offline
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Quote:
Originally Posted by antointoronto View Post
Thanks a lot. it works well
acn you explain this to me ?
  #6 (permalink)  
Old 03-19-2008
Franklin52 Franklin52 is offline Forum Staff  
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Code:
ls *.Z|sed 's/\(.*\)\.Z/mv & \1/'


Code:
\(.*\)

A saved substring wich can be recalled with \1



Code:
\.Z

Sed use a greedy match so it saves the part before the last "." in the substring
This isolated every characters after the "." from the substring


Code:
mv & \1

This gives the mv command, the ampersand makes it possible to reference the entire match in the replacement string.

Regards
  #7 (permalink)  
Old 03-18-2008
antointoronto antointoronto is offline
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Posts: 28
Quote:
Originally Posted by joeyg View Post
The following does a copy; you can change to the move (mv) command


Code:
> cat copy_csv
#! /bin/bash

for i in *.csv
do
  var1=$(basename "$i" .csv)
  cp $i $var1
done
hi

Thanks for your reply.But I would like to use substring operation.


Thanks
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