Project

General

Profile

« Previous | Next » 

Revision 349

Added by Aaron Marcuse-Kubitza almost 13 years ago

Added in_place to run a stream command on a file

View differences:

bin/in_place
1 
#!/bin/sh
2 
# Runs a stream command on a file
3 
# Usage: self file command
4 

  		




  
  5
  
    
file="$1"


  		




  
  6
  
    
shift


  		




  
  7
  
    

  		




  
  8
  
    
temp="$(tempfile)"


  		




  
  9
  
    
trap "rm -f $temp" EXIT


  		




  
  10
  
    

  		




  
  11
  
    
"$@" <"$file" >"$temp" || exit


  		




  
  12
  
    
diff "$file" "$temp" >/dev/null && exit # don't update file if no change


  		




  
  13
  
    
mv "$temp" "$file"


  		




  0
  14
  
    

  		












Also available in:  Unified diff