grep로 에러 내용 찾기

Terminal에서 grep로 frameworks에서 에러내용 뒤지기.. (추가 옵션들 더 찾아보자)

ief2s-iMac:Frameworks ief2$ grep '260' $(find . -name "*Errors.h" )
./CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/Headers/MacErrors.h:  midiDupIDErr                  = -260, /*duplicate client ID*/
./CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/Headers/MacErrors.h:  kECONNREFUSEDErr              = -3260, /* Connection refused           */
./Foundation.framework/Versions/C/Headers/FoundationErrors.h:    NSFileReadNoSuchFileError = 260,                        // Read error (no such file)
ief2s-iMac:Frameworks ief2$ 

출처 : http://stackoverflow.com/questions/4869856/cocoa-error-260