exiftool does the job for me, it’s written in perl so should work for you on any o/s https://exiftool.org/ usage : exiftool -all= image.jpg UPDATED – as PeterCo explains below this will remove ALL of the tags. if you just want to remove the EXIF tags then you should use exiftool -EXIF= image.jpg
ts from moreutils will prepend a timestamp to every line of input you give it. You can format it using strftime too. $ echo ‘foo bar baz’ | ts Mar 21 18:07:28 foo bar baz $ echo ‘blah blah blah’ | ts ‘%F %T’ 2012-03-21 18:07:30 blah blah blah $ To install it: sudo apt-get … Read more
printf ‘%s\n%s\n’ “to be prepended” “$(cat text.txt)” >text.txt
awk ‘!seen[$0]++’ file.txt seen is an associative array that AWK will pass every line of the file to. If a line isn’t in the array then seen[$0] will evaluate to false. The ! is the logical NOT operator and will invert the false to true. AWK will print the lines where the expression evaluates to … Read more
Wall-clock time is the time that a clock on the wall (or a stopwatch in hand) would measure as having elapsed between the start of the process and ‘now’. The user-cpu time and system-cpu time are pretty much as you said – the amount of time spent in user code and the amount of time … Read more
This error means you are trying to modify an executable while it is executing. The “Text” here refers to the fact that the file being modified is the text segment for a running program. Use lsof to check what other processes are using it. You can use kill command to kill it if needed.
Just drop the option v. -v is for verbose. If you don’t use it then it won’t display: tar -zxf tmp.tar.gz -C ~/tmp1
I was trying to understand the double fork and stumbled upon this question here. After a lot of research this is what I figured out. Hopefully it will help clarify things better for anyone who has the same question. In Unix every process belongs to a group which in turn belongs to a session. Here … Read more
find /path/to -regex “.*\.\(jpg\|gif\|png\|jpeg\)” > log
All jobs are executed by a shell, so start that shell snippet by a command to change the directory. cd /path/to/directory && ./bin/myapp Concerning the use of && instead of ;: normally it doesn’t make a difference, but if the cd command fails (e.g. because the directory doesn’t exist) with && the application isn’t executed, … Read more