🖥️look

➡️This is a command-line reference manual for commands and command combinations that you don’t use often enough to remember it. This cheatsheet explains the look command with important options and switches using examples.

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▁ ▂ ▃ ▄ ꧁ 🔴☠ COMMANDLINE-KUNGFU WITH CHEATSHEETS ☠🔴꧂▅ ▃ ▂ ▁

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# Look for lines in sorted file (Mac OS X)

# Look for lines which begins with the given prefix:
look prefix file

# Look for lines ignoring case:
look -f prefix file                                                 

look . | egrep "^s.*m.*b" | egrep "^.{4,9}$" 
# Show a list of the other candidates for an open source SMB service.

look . | grep -E "^[a-z]{4,7}$" > wordlist ; rev wordlist > wordlistrev ; grep -x -f wordlistrev wordlist 
# Find words that make other words backwards. This can take a while. This example limits to words 4-7 letters long but you can change the regex for longer/shorter words I meant only uses a specific number of characters. Ex: for i in {1..8} ; do look . | grep -E "^[a-z]{$i}$" > wordlist ......

look . | grep -E "^[a-z]{2,}$" | sort > wordlist ; rev wordlist | sort > wordlistrev ; comm -12 wordlist wordlistrev 
# Find words that have a reverse which is also a word.

look . | egrep "^[a-g]{4,}$" 
# Find 4+ letter words that are spelled using only musical note letters.
# Note that on the last one, -text{2..4} expands to -text2 -text3 -text4  So the lack of a space is important. BRACE EXPANSION!

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# CMD LOOK						       #
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Cheatsheets are an excellent complement to other information sources like Linux man-pages, Linux help, or How-To’s and tutorials, as they provide compact and easily accessible information. While man-pages and detailed tutorials often contain comprehensive explanations and extensive guides, cheatsheets summarize the most important options forthe command look in a clear format. This allows users to quickly access the needed information for look without having to sift through lengthy texts. Especially in stressful situations or for recurring tasks, cheatsheets for look are a valuable resource to work efficiently and purposefully.

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