blog:command_line_tipps
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| Unless you are doing some sort of cropping there is no reason to load up Photoshop or the Gimp. A simple command will usually suffice for almost all your image resizing needs. | Unless you are doing some sort of cropping there is no reason to load up Photoshop or the Gimp. A simple command will usually suffice for almost all your image resizing needs. | ||
| - | convert -resize 300 image.jpg image-small.jpg | + | |
| If you finding yourself doing lots of image resizing during the day, this command could potentially save you a LOT of time. You can even do mass image resizing. | If you finding yourself doing lots of image resizing during the day, this command could potentially save you a LOT of time. You can even do mass image resizing. | ||
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| I found myself spending a ton of time adding drop shadows to images. Using a simple command I was able to create drop shadows in seconds. | I found myself spending a ton of time adding drop shadows to images. Using a simple command I was able to create drop shadows in seconds. | ||
| - | + | | |
| - | suse screenshot | + | |
| - | convert screenshot.jpg \( +clone -background black -shadow 60×5+0+5 \) +swap -background white -layers merge +repage shadow.jpg | + | |
| Note: You must have Imagemagick installed for this command to work. Debian/ | Note: You must have Imagemagick installed for this command to work. Debian/ | ||
| - | |||
| - | screenshot dropshadow | ||
| Obviously, I don’t expect you to memorize this command. To shorten it use an alias. | Obviously, I don’t expect you to memorize this command. To shorten it use an alias. | ||
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| ===== Splice Together an MP3 ===== | ===== Splice Together an MP3 ===== | ||
| If you want simple MP3 splicing this command has your back: | If you want simple MP3 splicing this command has your back: | ||
| - | cat 1.mp3 2.mp3 > combined.mp3 | + | |
| ===== Clone a Hard Drive ===== | ===== Clone a Hard Drive ===== | ||
| DD is one the most simplistic and powerful image applications out there. | DD is one the most simplistic and powerful image applications out there. | ||
| - | dd if=/dev/hda of=/dev/hdb | + | |
| ===== Burn an ISO to a CD ===== | ===== Burn an ISO to a CD ===== | ||
| Why open up K3B or some other program just to burn an ISO? Map this command to an alias and get burning. | Why open up K3B or some other program just to burn an ISO? Map this command to an alias and get burning. | ||
| - | cdrecord -v speed=8 dev=0,0,0 name_of_iso_file.iso | + | |
| Note: You need to get the info for the ‘dev=’ part by running ‘cdrecord -scanbus’ | Note: You need to get the info for the ‘dev=’ part by running ‘cdrecord -scanbus’ | ||
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| ===== Video Conversions ===== | ===== Video Conversions ===== | ||
| Let’s say you want to convert an AVI to an Mpeg file: | Let’s say you want to convert an AVI to an Mpeg file: | ||
| - | ffmpeg -i video_origine.avi video_finale.mpg | + | |
| Or convert an Mpeg to AVI: | Or convert an Mpeg to AVI: | ||
| - | ffmpeg -i video_origine.mpg video_finale.avi | + | |
| There are all sorts of things you can do with ffmpeg. | There are all sorts of things you can do with ffmpeg. | ||
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| This command from Eric’s Wendelin’s blog will replace all instances of a color in CSS with another one. | This command from Eric’s Wendelin’s blog will replace all instances of a color in CSS with another one. | ||
| - | sed ’s/# | + | |
| + | |||
| + | Ref: http:// | ||
| {{tag> | {{tag> | ||
blog/command_line_tipps.1284705939.txt.gz · Last modified: 2010-09-17 08:45 by brb