2 Ways to Linux CommandLine Thesaurus Synonyms

[How to] Linux CommandLine Thesaurus | Linux CommandLine Synonyms

I wanted to use my linux commandline to lookup synonyms (thesaurus) recently but didn’t know how.

After some searching I was able to find 2 alternatives that worked very differently, yet helped me tremendously on each account.

Method 1 - DICT

sudo apt install dict dictd dict-gcide dict-moby-thesaurus
sudo systemctl enable dictd
sudo systemctl start dictd
dict --help # or try 'man dict'
#dict -d moby-thesaurus YOURWORDHERE
alias thes='dict -d moby-thesaurus'
thes engineer

Method 2 - WordNet

sudo apt install wordnet
man wn | grep -B1 synon
#wn YOURWORDHERE -syns#, where # is n, v, a, or r
#wn YOURWORDHERE -simsv
wn # or try 'man wn'
wn engineer -synsn | grep -v ^$   #grep just strips empty lines from output
wn engineer -synsv | grep -v ^$

Script for both:

#!/bin/sh
if [ "$1" = "" ] ; then
   echo "usage: $0 WORD"
fi
wn $1 -synsn | grep -v ^$
wn $1 -synsv | grep -v ^$
wn $1 -synsa | grep -v ^$
wn $1 -synsr | grep -v ^$
dict -d moby-thesaurus $1

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As always, good luck!

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CLI Shell Console SublimeText Alternative

I love SublimeText! With features like Ctrl-D, Multi-Cursor, and RegEx-Search&Replace, it’s just the best editor ever. Add tools from PackageControl.io and it’s unbeatable. Yes, Atom is probably on-par (plus it’s free), but I’ve already acclimated to ST and that’s just how it is.

But sometimes i just prefer/need to edit in the shell. Almost always, i use nano; However, when you suddenly need something more powerful, it’s back to SublimeText.

I had known about slap-edit, but it’s just too slow, especially through ssh tunnels.

Enter Suplemon! Wow, it’s a great CLI editor to supplement your workflow. If you already have python and pip, then just sudo pip3 install suplemon - -That’s it. Launch suplemon and check it out.

Yes, I know everyone will say “Vim”, but i don’t have time be that good.

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Written with StackEdit.

Basic Commandline Video Processing In Linux

Prerequisite: Install packages for MP4Box and ffpmpeg commands:
sudo apt install gpac ffmpeg

 

Three Methods to Trim Video:

1. MP4Box -splitx ss:ss input.mp4 -out output.mp4 , where ss:ss are numerical values for start-seconds and stop-seconds. (Fastest, does not transcode)
2. ffmpeg -i input.mp4 -ss hh:mm:ss -t hh:mm:ss -async 1 output.mp4, where hh:mm:ss are numerical values for hours, minutes, seconds.
3. ffmpeg -i input.mp4 -vf trim=ss:ss output.mp4, where ss is a numerical value for seconds.

Annoyed with converting hours, minutes, seconds into total seconds? Use this bash function:

function to_sec() { echo "$1" | awk -F':' '{if (NF == 2) {print $1 * 60 + $2} else {print $1 * 60 * 60 + $2 * 60 + $3}}'; }

Usage examples: to_sec 2:47 or to_sec 1:2:47 or $(to_sec 2:47) or MP4Box -splitx $(to_sec 2:47):$(to_sec 7:33) input.mp4 -out output.mp4

 

Overlay a Logo onto Video:

    1. Static graphic logo:

ffmpeg -i input.mp4 \
-i logo.png \
-filter_complex "X:Y" \  # set logo position
-codec:a copy \  # just copy audio
output.mp4

where X:Y is the horizontal and vertical pixel positioning.

    2. Animated graphic logo:

ffmpeg -i input.mp4 \
-ignore_loop 0 -i animated-logo.gif \  # do not ignore looping
-filter_complex "X:Y:shortest=1" \  # limit to input video length
-codec:a copy \
output.mp4

where :shortest=1 is required, and where X:Y is the horizontal and vertical pixel positioning. Without shortest, the video transcoding will not end.
X and Y may be static numerical values, or ffmpeg built-in variables and equations. Examples:

• Top right with 10 pixel margin : main_w-overlay_w-10:10
• Top left with 10 pixel margin : 10:10
• Bottom left with 10 pixel margin : 10:main_h-overlay_h-10
• Bottom right with 10 pixel margin : main_w-overlay_w-10:main_h-overlay_h-10

 

 

Trim First x Seconds off Audio File:

ffmpeg -ss x -i input.mp3 -codec:a copy output.mp3 , where x is a numerical value for seconds.

 

Add Audio to Video and Trim to Shortest Source:

ffmpeg -i input.mp4 -i audio.mp3 -codec copy -shortest output.mp4

 

Overlay Logo and Add Audio with One Command:

ffmpeg -i input.mov \
 -i logo.png \
 -filter_complex "overlay=main_w-overlay_w-10:10" \
 -i music.mp3 -codec:a copy \
 -shortest output.mov

As always, good luck!
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persistent powershell commandline history

Persistent PowerShell CommandLine History

via https://github.com/lzybkr/PSReadLine (& https://technet.microsoft.com/en-us/library/bb613488(v=vs.85).aspx)

TL;DR :
Win10 install module:
Install-Module PSReadline

edit* system’s powershell profile:
notepad c:\windows\system32\WindowsPowerShell\v1.0\profile.ps1

to the end of the file, add:
Import-Module PSReadline

restart powershell

*(never use notepad, use https://www.sublimetext.com/ + https://packagecontrol.io/ instead)

  

Check GMail via Linux Commandline

one line:
curl -u username --silent "https://mail.google.com/mail/feed/atom" | perl -ne 'print "\t" if //; print "$2\n" if /<(title|name)>(.*)<\/\1>/;'


originally from: http://www.commandlinefu.com/commands/view/3386/check-your-unread-gmail-from-the-command-line
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Useful Text Processing Commands In Linux BASH

I've come back to this time and time again. I hope you find it useful!

#replace inline-file
sed -i 's/old/new/g' file.txt

#de-duplicate
awk '!x[$0]++' input.txt > output.txt
#OR
perl -ne 'print unless $dup{$_}++;' input.txt > output.txt
#OR
awk '{if (++dup[$0] == 1) print $0;}' input.txt > output.txt

#save only line containing TXT
sed '/TXT/!d' input.txt > output.txt
#OR

grep -F "TXT" input.txt > output.txt
#delete line matching TXT
sed '/TXT/d' input.txt > output.txt
#OR
grep -v -F "TXT" input.txt > output.txt

#trim trailing spaces inline
sed -i 's/[[:space:]]*$//' filename.txt

#delete blank lines
sed '/^[[:space:]]*$/d' input.txt > output.txt

#delete blank lines inline-file
sed -i '/^[[:space:]]*$/d' input.txt

#del blank lines - does not work in ALL cases
sed '/^$/d' input.txt > output.txt

#del blank lines - does not work in ALL cases
awk NF input.txt > output.txt

# trim leading, middle, and trailing spaces (reconstitutes records )
echo '         text     txt   info     ' | awk '{$1=$1}1'

#append text to lines
sed 's/$/APPEND/' input.txt
#OR
cat input.txt | awk '{ print $0 "APPEND" }' > output.txt
#OR
awk '{ print $0 "APPEND" }' < input.txt > output.txt

#output IP's only
grep -E -o '(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)' input.txt > output.txt

#output numbered quartet (IP-like)
grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' input.txt

#count occurences
sort input.txt | uniq -c > output.txt

#top 10 stats of unique text, where $1 means 1st column, $2 second column, etc
grep sometext input.txt | grep someothertext | awk '{ print $1 }' | sort -n | uniq -c | sort -rn | head > output.txt

#top 20 stats of IP's performing nslookup to ".ru" sites, where input.txt is from a Windows Server DNS log.
grep -F '(2)ru(0)' input.txt | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | sort -n | uniq -c | sort -rn | head -n 20 > output.txt

#grep or
egrep 'string1|string2' input.txt
grep 'string1\|string2' input.txt

#grep non-comment, non-empty-lines -- see 'grep or' above
cat /etc/rsyslog.conf | grep -v '^#\|^$'
cat /etc/php.ini | grep -v '^;\|^$'

#inverse head
#if "head" is first 10, then
tail -n +11 input.txt

#inverse tail
#if "tail" is last 10, then
head -n -11 input.txt

#remove lines in file2.txt from file1.txt
awk 'NR==FNR{a[$0]++;next} !a[$0]' file2.txt file1.txt > filtered.txt

#find international characters (possibly limited charset) (e.g. finds íóëã)
grep -P '[^\x00-\x7f]' input.txt

#replace international characters with plain-text (e.g. íóëã to ioea)
perl -C -MText::Unidecode -n -e 'print unidecode( $_)' < input.txt

#replace ` with '
sed "s/\`/'/g" input.txt

#de-timestamping (zero time from datestamp)
echo "2015-06-26 07:33:55" | awk '{$0=substr($0,1,11)"00:00:00"; print $0}'
#OR
echo "2015-06-26 07:33:55" | sed 's/[0-1][0-9]:[0-5][0-9]:[0-5][0-9]/00:00:00/g'

#find files that do not contain TEXT from a set of specific files
find ./ -iname "filename" -exec grep -L TEXT {} \;
# e.g. find src/main/target/ -iname "target.h" -exec grep -L USE_.*_EXTI {} \;

#take a .yml file that has some lines with "income:" <value> and replace the value with 10% of the value
#ex.
#      WATER_WORKER:
#        income: 30.0
#        experience: 100.0
perl -pe 's/(income:) (\d+.*)/($1)." ".($2*0.10)/ge' jobConfig.yml > jobConfig.yml.new



Grep AND, OR, NOT

sed one-liners

PERL Regular Expressions

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As Always, Good Luck! You can thank me with bitcoin.   

Windows Commandline Super Tools

Make your win-management job easier with these command-line super tools:

Swiss Knife Tool
Kixtart
SysInternals Suite
Win Server 2003 resource Kit Tools
CygWin
GnuWin
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