まず、情報をチェック。
$ cd /Applications/CotEditor.app/Contents/MacOS/
$ lipo -detailed_info CotEditor Fat header in: CotEditor
fat_magic 0xcafebabe
nfat_arch 2
architecture ppc
cputype CPU_TYPE_POWERPC
cpusubtype CPU_SUBTYPE_POWERPC_ALL
offset 4096
size 451032
align 2^12 (4096)
architecture i386
cputype CPU_TYPE_I386
cpusubtype CPU_SUBTYPE_I386_ALL
offset 458752
size 457544
align 2^12 (4096)
削除してよければ、例えば以下のように。
$ lipo -remove ppc -output CotEditor2 CotEditor
$ ll -h
total 2696
-rwxr-xr-x 1 user admin 895K 4 26 2009 CotEditor
-rwxr-xr-x 1 user admin 451K 2 16 23:14 CotEditor2
$ lipo -detailed_info CotEditor2
Fat header in: CotEditor3
fat_magic 0xcafebabe
nfat_arch 1
architecture i386
cputype CPU_TYPE_I386
cpusubtype CPU_SUBTYPE_I386_ALL
offset 4096
size 457544
align 2^12 (4096)
起動してみて問題がなければ元のものと入れ替えます。
参考サイト
http://journal.mycom.co.jp/column/osx/282/index.html
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