Coding School

Problem Different versions of UNIX handle the stripping of newlines in a string differently. Obviously if you echo a string, the shell automatically expands newlines “\n”. Solution sed and tr don’t appear to like performing these substitutions. But with Perl its a steal. Example % echo ‘hello world\nhello world\ntest it’ | perl -ane ‘s#\\n# #g; [...]

Problem You want to resize images from the command line. Solution Use image magik mogrify command.mogrify -resize “percentage” image_naAlso you can view current sizing – like this:% identify IMG_3864.JPGIMG_3864.JPG JPEG 563×422 563×422+0+0 DirectClass 8-bit 32.8887kb Example mogrify -resize 20% IMG_3705.JPG Reference Technorati Tags: mogrifymogrify man page – resize an image