Spent way too much time trying to do this, hope this help someone else: i=1;for f in *.jpg; do mv “$f” “newname$i.jpg”; let i++; done
Archive for the ‘bash’ Category
Extract emails from big text file
January 25th, 2011
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Fount it here: perl -wne’while(/[\w\.\-]+@[\w\.\-]+\w+/g){print “$&\n”}’ emails.txt | sort -u > output.txt
Simulate load on linux serve with one-line command
October 14th, 2009
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Some days ago I needed a quick way to simulate load on a Linux sever. While there are many tools that can do this, all I needed was a simple bash one-line command that can make the CPUs beg for mercy. What I ended up using is this: dd if=/dev/zero bs=100M | gzip | gzip [...]
Bash sequences
October 12th, 2009
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A very helpful command I like to use to organize folders is: for i in {a..z}; do mkdir $i; done This creates a folder for each letter from “a” to “z”.
Howto backup and restore MySQL database with character set intact
February 18th, 2009
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If you want to preserve characters like ñ, ó, ç, etc. when migrating a MySQL database use mysqldump to export the database with this options: mysqldump -u root -p –default-character-set latin1 –skip-character-set > mydump.mysql create the target database with: mysqladmin -u root -p create –default-character-set latin1 –collate latin1_swedish_ci then restore: mysql -u root -p –default-character-set [...]
