Commands tagged m3u (4)

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Find files with lines that do not match a pattern
This one would be much faster, as it's only one executed command.

Just convert your all books DJVU format to PDF, with one line

Test your total disk IO capacity, regardless of caching, to find out how fast the TRUE speed of your disks are
Depending on the speed of you system, amount of RAM, and amount of free disk space, you can find out practically how fast your disks really are. When it completes, take the number of MB copied, and divide by the line showing the "real" number of seconds. In the sample output, the cached value shows a write speed of 178MB/s, which is unrealistic, while the calculated value using the output and the number of seconds shows it to be more like 35MB/s, which is feasible.

Change host name
With sed you can replace strings on the fly.

Update program providing a functionality on Debian
On Debian systems, choose which command provides java. Works for all alternatives listed in /etc/alternatives.

Compare a remote dir with a local dir
You can compare directories on two different remote hosts as well: $ diff -y

Use the builtin ':' bash command to increment variables
I just found another use for the builtin ':' bash command. It increments counters for me in a loop if a certain condition is met... : [arguments] No effect; the command does nothing beyond expanding arguments and performing any specified redirections. A zero exit code is returned.

network interface and routing summary

download a sequence of vim patch
Seq allows you to define printf like formating by specified with -f, %03g is actually tells seq I got three digits, fill the blank digits with 0, and the range is from 176 to 240.

bash: display disks by id, UUID and HW path
Shows a tree of the disks. Requires "tree"


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