Align all text right on an 80 column width.
jason@jason-Lenovo-H50-55:~/Documents$ ls -hula | sed -e :a -e 's/^.\{1,80\}$/ &/;ta' total 872K drwxr-xr-x 2 jason jason 4.0K May 4 08:48 . drwxr-xr-x 23 jason jason 4.0K May 3 20:51 .. -rw-r--r-- 1 jason jason 848K Apr 21 13:01 altis_insurgency_altis.pbo -rwxrwxr-x 1 jason jason 166 Apr 22 12:22 rhsafrf.0.4.5.bikey -rwxrwxr-x 1 jason jason 166 Apr 22 12:22 rhsgref.0.4.5.bikey -rwxrwxr-x 1 jason jason 165 Apr 22 12:22 rhssaf.0.4.5.bikey -rwxrwxr-x 1 jason jason 166 Apr 22 12:22 rhsusaf.0.4.5.bikey |
Add a paragraph break after every 5 lines of output. This could make it more readable.
jason@jason-Lenovo-H50-55:~/Documents$ ls -hula | sed '0~5G' total 872K drwxr-xr-x 2 jason jason 4.0K May 4 08:48 . drwxr-xr-x 23 jason jason 4.0K May 3 20:51 .. -rw-r--r-- 1 jason jason 848K Apr 21 13:01 altis_insurgency_altis.pbo -rwxrwxr-x 1 jason jason 166 Apr 22 12:22 rhsafrf.0.4.5.bikey -rwxrwxr-x 1 jason jason 166 Apr 22 12:22 rhsgref.0.4.5.bikey -rwxrwxr-x 1 jason jason 165 Apr 22 12:22 rhssaf.0.4.5.bikey -rwxrwxr-x 1 jason jason 166 Apr 22 12:22 rhsusaf.0.4.5.bikey |
Add a set of commas to a long numeric string to make it more readable.
jason@jason-Lenovo-H50-55:/usr/share/backgrounds$ echo 1423765347 | sed ':a;s/\B[0-9]\{3\}\>/,&/;ta' 1,423,765,347 |
Print a list of the most-used words in a text file. This could be very useful to someone indeed. This also prints a number next to each word that tells the user how many times it appeared.
jason@jason-Lenovo-H50-55:~/Documents$ awk '{for(w=1;w<=NF;w++) print $w}' pg768.txt | sort | uniq -c | sort -nr | head -n 20 3983 the 3885 and 3225 to 2976 I 2168 2141 of 2089 a 1407 he 1310 in 1223 his 1180 you 1163 her 993 was 983 that 982 she 926 my 851 as 796 not 770 with 761 it |
This will also do the same thing. This is one hell of a one-liner. It gives different values though…
jason@jason-Lenovo-H50-55:~/Documents$ perl -n -e 'foreach ${k} (split(/\s+/)){++$h{$k}};END{foreach $l (keys(%h)){print "$h{$l}: ${l}\n"}}' pg768.txt | sort -n -k 1 | tail -n 20 813: for 816: it 824: with 869: not 896: as 1023: my 1058: that 1063: she 1075: was 1265: her 1267: you 1353: his 1391: in 1518: he 2297: a 2312: of 3215: I 3506: to 4255: and 4431: the |
The SSH command has been run 4 times before according to this simple one-liner.
jason@jason-Lenovo-H50-55:~$ grep -c "ssh" .bash_history 4 |
Translate all spaces in a text-file into backspaces…
jason@jason-Lenovo-H50-55:~/Documents$ tr -s ' ' '\b' < pg768.txt | head -n 10 ThProjecGutenbereBookWutherinHeightsbEmilBronte ThieBooifothusoanyonanywherancosanwith almosnrestrictionwhatsoeverYomacopitgiviawaor re-usiundethtermothProjecGutenberLicensincluded witthieBoooonlinawww.gutenberg.org |
Change all instances of ‘or’ to ‘co’. This makes it barely readable.
jason@jason-Lenovo-H50-55:~/Documents$ tr -s 'or' 'co' < pg768.txt | head -n 10 The Pocject Gutenbeog eBck, Wutheoing Heights, by Emily Bocnte This eBck is fco the use cf anycne anywheoe at nc cst and with almcst nc oestoicticns whatsceveo. Ycu may cpy it, give it away co oe-use it undeo the teoms cf the Pocject Gutenbeog License included with this eBck co cnline at www.gutenbeog.cog |