Commands by zyf543 (0)

  • bash: commands not found

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Replace all tabs with spaces in an application
Note that this assumes the application is an SVN checkout and so we have to throw away all the .svn files before making the substitution.

Scroll up (or Down (PgDn)) in any terminal session (except KDE)

Search for a string inside all files in the current directory
shorter typing with no need to use xargs.

Go to directory or creat it and go to
For use in scripts this command is very usefull

add the result of a command into vi
in command mode, navigate your cursor to the line where you want the command output to appear, and hit "!!". No need to enter edit mode or even type a ":" (colon).

Print all open regular files sorted by the number of file handles open to each.
This command run fine on my Ubuntu machine, but on Red Hat I had to change the awk command to `awk '{print $10}'`.

Super Speedy Hexadecimal or Octal Calculations and Conversions to Decimal.
^Hexadecimal Ten minus Octal Ten is Eight(in Decimal). $ echo "$(( 0xaf )) = $(( 0257 ))" ^Hexadecimal AF and Octal 257 are both Decimal 175.

sort the contents of a text file in place.
sorts the contents of a file without the need for a second file to take the sorted output. This was previously entered as `sort -g list.txt -o $_` but as others have pointed out the $_ references the previous command. so this would've worked had that been the second part of a command joined with && like: cat list.txt && sort -g list.txt -o $_ The user below me Robin had the most correct command.

Record audio and video from webcam using mencoder
Record audio to MP3 stream and video to MPEG-4 stream from webcam to AVI file using mencoder. Gives floating point exception in some mencoder versions.

Restore mysql database uncompressing on the fly.
This way you keep the file compressed saving disk space. Other way less optimal using named pipes: mysql -uroot -p'passwd' database <


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