JHEAD(1) General Commands Manual JHEAD(1) (NAME) jhead - Exif JPEG (SYNOPSIS) jhead [ ] [ ... ] (DESCRIPTION) jhead Exif JPEG . jhead . jhead JPEG Exif (thumbnail) Exif Exif . jhead find . (GENERAL METADATA OPTIONS) -te file Exif JPEG ( Exif) file . Exif . Exif . << >> . <<&i>> . << >> jhead . : jhead -te originals/&i *.jpg exif .jpg originals . Win32 <<&>> <<&>> . -dc (comment) JPEG. Exif . -de Exif. . -di IPTC . . -dx XMP . . -du jpeg Exif . -purejpg JPEG . . -de -dc -du . -mkexif exif. Exif / . / . exif -rgt . exif exif . -ce JPEG ( Exif JPEG Exif ). . EDITOR . notepad vi . . -cs file file -ci file file -cl string / (DATE / TIME MANIPULATION OPTIONS) -ft Exif . -dsft Exif . Exif . -mkexif . -n[format_string] "DateTimeOriginal" Exif / . Exif DateTimeOriginal . '/' . format_string MMDD-HHMMSS . ( ). format_string strftime . '%f' ( ) . '%i' . printf '%04i' . '/' . . "a" "b" "c" "0" "1" "2" . . . -ft . strftime : %H - (00 - 23) %j - (001 - 366) %m - (01 - 12) %M - (00 - 59) %S - (00 - 59) %w - (0 - 6 0 ) %y - (00 - 99) %Y - : jhead -n%Y%m%d-%H%M%S *.jpg *.jpg YYYYMMDD-HHMMSS . strftime strftime . strftime ( ) ':' . -ta<+|-> Exif h:mm . . : : jhead -ta+1:05 : jhead -ta-0:0:1 / exif "DateTimeOriginal" ( 0x9003) "DateTimeDigitized" ( 0x9004). -da- -ta . . jhead . yyyy:mm:dd . yyyy:mm:dd/hh:mm yyyy:mm:dd/hh:mm:ss . : : jhead -da2004:03:01-2005:03:01 2002:01:01 2005:05:29 : : jhead -da2005:05:29/11:21-2002:01:01 -ts Exif . : yyyy:mm:dd-hh:mm:ss -ds Exif . . : yyyy:mm:dd yyyy:mm yyyy (THUMBNAIL MANIPULATION OPTIONS) -dt Exif . Exif Exif ( ). Exif . . XP ( ). LCD . . . -st file file Exif JPEG . Exif . . << >> . file '&i' jhead . << >> . : jhead -st thumbnails/&i *.jpg .jpg thumbnails ( thumbnails ). Win32 '&' '&' . '-' (stdout) . ( ) -rt Exif. exif ( ). -rgt size exif. 'size' . 'mogrify' ( ImageMagick) . . (ROTATION OPTIONS) -autorot 'Orientation' Exif. jpegtran . . . (orientation) Exif '1' ( ) . . Exif / JPEG . . -norot Exif . Exif . . -norot -rgt . (OUTPUT VERBOSITY CONTROL) -h . -v . DOS Jhead . . -q . -V . -exifmap exif. exif . -se Exif. -c . . grep ( ). (FILE MATCHING OPTIONS) -model Exif '-model' . S100 : jhead -model S100 *.jpg JPEG Canon S100 ( -cmd ). -exonly Exif . Exif Exif . -proc . "-proc 0" baseline . "-proc 2" progressive . jpeg progressive jpegtran progressive . baseline progressive : jhead -proc 0 -cmd "jpegtran -progressive -outfile &o &i" *.jpg -cmd JPEG . Exif . JPEG ( /wildcard) . : S100 : jhead -cmd mogrify -quality 80 &i -model S100 *.jpg jhead -cmd jpegtran -progressive &i > &o *.jpg JPEG Exif Canon S100 (mogrify) . << >> (lossy) . JPEG JPEG (progressive) . . . (SEE ALSO) jpegtran(1), mogrify(1), rdjpgcom(1), wrjpgcom(1) (AUTHOR) Matthias Wandel (BUGS) jhead Exif . Exif jhead Exif . Exif Exif . exif . SLR jhead . exif . Jhead Jhead . : matthias at woodgears dot ca (COPYING PERMISSIONS) Jhead << >> (public domain) . jhead . . jhead 3.06 2021-03-24 JHEAD(1)