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photo:fix_iso [2010/04/17 19:20]
Toni Corvera +metadata reload
photo:fix_iso [2010/10/30 20:48]
Toni Corvera One-line exiftool fix
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 **This recipe uses the command-line.** **This recipe uses the command-line.**
  
-''​exiv2''​ has a mode (''​fi''​) to fix this but is only meant to work with Canon and Nikon cameras.+''​exiv2''​ has a mode (''​fi''​) to fix this but is only meant to work with Canon and Nikon cameras. **Beware though** it might disagree with exiftool when using ISO auto (at least it did for me with an older Canon). Can't say right now which one is right but on my tests exiftool appeared more correct.
  
 ''​exiftool''​ appears to have some workarounds to read the correct value. ''​exiftool''​ appears to have some workarounds to read the correct value.
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 After: After:
-Before: 
 <​code>​$ exiv2 IMAGE.JPG | grep ^ISO <​code>​$ exiv2 IMAGE.JPG | grep ^ISO
 ISO speed       : 200 ISO speed       : 200
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 ===== Setting a correct value ===== ===== Setting a correct value =====
  
-AFAIK this can't be done in a single command, here's a quick script: +<del>AFAIK this can't be done in a single command, here's a quick script:</del>D'oh, it'​s ​in the manpage:
- +
-<code> +
-#!/bin/sh +
-# - fixiso - +
-for arg ; do +
- ISO=`exiftool -iso "​$1"​ | cut -d':' -f2 | sed 's/ *//​g'​` +
- [ "​$ISO"​ ] || continue +
- [ "​$ISO"​ -gt 0 ] || continue +
-        exiftool -P -overwrite_original "-exif:iso=$ISO"​ -if 'not $exif:​iso'​ "​$1"​ +
- shift +
-done +
-</​code>​+
  
 +  $ exiftool -P -overwrite_original '​-exif:​iso<​iso'​ -if 'not $exif:​iso'​ "​$1"​
  
 ===== Locating manually (in case exiftool can't) ===== ===== Locating manually (in case exiftool can't) =====
photo/fix_iso.txt · Last modified: 2010/10/30 20:48 by Toni Corvera
 
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