附录：命令行工具列表

$ type alias
alias is a shell builtin

$ man zshbuiltins | grep -A 10 alias

$ alias l
l='ls --color -lhF --group-directories-first'

$ alias python=python3

$ type awk
awk is /usr/bin/awk

$ man awk

$ seq 5 | awk '{sum+=$1} END {print sum}'
15

$ type aws
aws is /usr/local/bin/aws

$ aws --help

$ type bash
bash is /usr/bin/bash

$ man bash

$ type bat
bat is an alias for bat --tabs 8 --paging never

$ man bat

$ type bc
bc is /usr/bin/bc

$ man bc

$ bc -l <<< 'e(1)'
2.71828182845904523536

$ type body
body is /usr/bin/dsutils/body

$ seq 10 | header -a 'values' | body shuf
values
9
6
1
3
2
7
5
10
8
4

$ type cat
cat is /usr/bin/cat

$ man cat

$ cat *.log > all.log

$ type cd
cd is a shell builtin

$ man zshbuiltins | grep -A 10 cd

$ cd ~

$ pwd
/home/dst

$ cd ..

$ pwd
/home

$ cd /data/ch01
cd: no such file or directory: /data/ch01

$ type chmod
chmod is /usr/bin/chmod

$ man chmod

$ chmod u+x script.sh

$ type cols
cols is /usr/bin/dsutils/cols

$ type column
column is /usr/bin/column

$ type cowsay
cowsay is /usr/bin/cowsay

$ man cowsay

$ echo 'The command line is awesome!' | cowsay
 ______________________________
< The command line is awesome! >
 ------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

$ type cp
cp is /usr/bin/cp

$ man cp

$ cp -r ~/Downloads/*.xlsx /data

$ type csv2vw
csv2vw is /usr/bin/dsutils/csv2vw

$ type csvcut
csvcut is /usr/bin/csvcut

$ csvcut --help

$ csvcut -c bill,tip /data/ch05/tips.csv | trim
bill,tip
16.99,1.01
10.34,1.66
21.01,3.5
23.68,3.31
24.59,3.61
25.29,4.71
8.77,2.0
26.88,3.12
15.04,1.96
… with 235 more lines

$ type csvgrep
csvgrep is /usr/bin/csvgrep

$ csvgrep --help

$ type csvjoin
csvjoin is /usr/bin/csvjoin

$ csvjoin --help

$ type csvlook
csvlook is a shell function

$ csvlook --help

$ csvlook /data/ch05/tips.csv
│  bill │   tip │ sex    │ smoker │ day  │ time   │ size │
├───────┼───────┼────────┼────────┼──────┼────────┼──────┤
│ 16.99 │  1.01 │ Female │  False │ Sun  │ Dinner │    2 │
│ 10.34 │  1.66 │ Male   │  False │ Sun  │ Dinner │    3 │
│ 21.01 │  3.50 │ Male   │  False │ Sun  │ Dinner │    3 │
│ 23.68 │  3.31 │ Male   │  False │ Sun  │ Dinner │    2 │
│ 24.59 │  3.61 │ Female │  False │ Sun  │ Dinner │    4 │
│ 25.29 │  4.71 │ Male   │  False │ Sun  │ Dinner │    4 │
│  8.77 │  2.00 │ Male   │  False │ Sun  │ Dinner │    2 │
│ 26.88 │  3.12 │ Male   │  False │ Sun  │ Dinner │    4 │
… with 236 more lines

$ type csvquote
csvquote is /usr/local/bin/csvquote

$ type csvsort
csvsort is /usr/bin/csvsort

$ csvsort --help

$ type csvsql
csvsql is /usr/bin/csvsql

$ csvsql --help

$ type csvstack
csvstack is /usr/bin/csvstack

$ csvstack --help

$ type csvstat
csvstat is /usr/bin/csvstat

$ csvstat --help

$ type curl
curl is /usr/bin/curl

$ man curl

$ type cut
cut is /usr/bin/cut

$ man cut

$ type display
display is a shell function

$ type dseq
dseq is /usr/bin/dsutils/dseq

$ dseq 3
2022-03-04
2022-03-05
2022-03-06

$ type echo
echo is a shell builtin

$ man echo

$ echo Hippopotomonstrosesquippedaliophobia | cowsay
 ______________________________________
< Hippopotomonstrosesquippedaliophobia >
 --------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

$ echo -n Hippopotomonstrosesquippedaliophobia | wc -c
36

$ type env
env is /usr/bin/env

$ man env

$ type export
export is a reserved word

$ man zshbuiltins | grep -A 10 export

$ export PATH="$PATH:$HOME/bin"

$ type fc
fc is a shell builtin

$ man zshbuiltins | grep -A 10 '^ *fc '

$ type find
find is /usr/bin/find

$ man find

$ find /data -type f -name '*.csv' -size -3
/data/ch03/tmnt-basic.csv
/data/ch03/tmnt-missing-newline.csv
/data/ch03/tmnt-with-header.csv
/data/ch05/irismeta.csv
/data/ch05/names-comma.csv
/data/ch05/names.csv
/data/ch07/datatypes.csv

$ type fold
fold is /usr/bin/fold

$ man fold

$ type for
for is a reserved word

$ man zshmisc | grep -EA 10 '^ *for '

$ for i in {A..C} "It's easy as" {1..3}; do echo $i; done
A
B
C
It's easy as
1
2
3

$ type fx
fx is /usr/local/bin/fx

$ fx --help

$ echo '[1,2,3]' | fx 'this.map(x => x * 2)'
[
  2,
  4,
  6
]

$ type git
git is /usr/bin/git

$ man git

$ type grep
grep is /usr/bin/grep

$ man grep

$ seq 100 | grep 3 | wc -l
19

$ type gron
gron is /usr/bin/gron

$ man gron

$ type head
head is /usr/bin/head

$ man head

$ seq 100 | head -n 5
1
2
3
4
5

$ type header
header is /usr/bin/dsutils/header

$ type history
history is a shell builtin

$ type hostname
hostname is /usr/bin/hostname

$ man hostname

$ hostname
b213d759a26c

$ hostname -i
172.17.0.2

$ type in2csv
in2csv is /usr/bin/in2csv

$ in2csv --help

$ type jq
jq is /usr/bin/jq

$ man jq

$ type json2csv
json2csv is /usr/bin/json2csv

$ json2csv --help

$ type l
l is an alias for ls --color -lhF --group-directories-first

$ cd /data/ch03

$ ls
logs.tar.gz    tmnt-basic.csv            tmnt-with-header.csv
r-datasets.db  tmnt-missing-newline.csv  top2000.xlsx

$ l
total 924K
-rw-r--r-- 1 dst dst 627K Mar  3 11:02 logs.tar.gz
-rw-r--r-- 1 dst dst 189K Mar  3 11:02 r-datasets.db
-rw-r--r-- 1 dst dst  149 Mar  3 11:02 tmnt-basic.csv
-rw-r--r-- 1 dst dst  148 Mar  3 11:02 tmnt-missing-newline.csv
-rw-r--r-- 1 dst dst  181 Mar  3 11:02 tmnt-with-header.csv
-rw-r--r-- 1 dst dst  91K Mar  3 11:02 top2000.xlsx

$ type less
less is an alias for less -R

$ man less

$ less README

$ type ls
ls is /usr/bin/ls

$ man ls

$ ls /data
ch02  ch03  ch04  ch05  ch06  ch07  ch08  ch09  ch10  csvconf

$ type make
make is /usr/bin/make

$ man make

$ make sandwich

$ type man
man is /usr/bin/man

$ man man

$ man excel
No manual entry for excel

$ type mkdir
mkdir is /usr/bin/mkdir

$ man mkdir

$ mkdir -p /data/ch{01..10}

$ type mv
mv is /usr/bin/mv

$ man mv

$ mv results{,.bak}

$ type nano
nano is /usr/bin/nano

$ type nl
nl is /usr/bin/nl

$ man nl

$ nl /data/ch05/alice.txt | head
     1  Project Gutenberg's Alice's Adventures in Wonderland, by Lewis Carroll
     2
     3  This eBook is for the use of anyone anywhere at no cost and with
     4  almost no restrictions whatsoever.  You may copy it, give it away or
     5  re-use it under the terms of the Project Gutenberg License included
     6  with this eBook or online at www.gutenberg.org
     7
     8
     9  Title: Alice's Adventures in Wonderland
    10

$ type parallel
parallel is /usr/bin/parallel

$ man parallel

$ seq 3 | parallel "echo Processing file {}.csv"
Processing file 1.csv
Processing file 2.csv
Processing file 3.csv

$ type paste
paste is /usr/bin/paste

$ man paste

$ paste -d, <(seq 5) <(dseq 5)
1,2022-03-04
2,2022-03-05
3,2022-03-06
4,2022-03-07
5,2022-03-08

$ seq 5 | paste -sd+
1+2+3+4+5

$ type pbc
pbc is /usr/bin/dsutils/pbc

$ seq 3 | pbc '{1}^2'
1
4
9

$ type pip
pip is /usr/bin/pip

$ man pip

$ pip install pandas

$ pip freeze | grep sci
scikit-learn==0.24.2
scipy==1.7.0

$ type pup
pup is /usr/bin/pup

$ pup --help

$ type pwd
pwd is a shell builtin

$ man pwd

$ cd ~

$ pwd
/home/dst

$ type python
python is an alias for python3

$ man python

$ type R
R is /usr/bin/R

$ man R

$ type rev
rev is /usr/bin/rev

$ echo 'Satire: Veritas' | rev
satireV :eritaS

$ echo 'Ça va?' | rev | cut -c 2- | rev
Ça va

$ type rm
rm is /usr/bin/rm

$ man rm

$ rm *.old

$ type rush
rush is /usr/local/lib/R/site-library/rush/exec/rush

$ rush --help

$ rush run '6*7'
42

$ rush run --tidyverse 'filter(starwars, species == "Human") %>% select(name)'
# A tibble: 35 x 1
   name
   <chr>
 1 Luke Skywalker
 2 Darth Vader
 3 Leia Organa
 4 Owen Lars
 5 Beru Whitesun lars
 6 Biggs Darklighter
 7 Obi-Wan Kenobi
 8 Anakin Skywalker
 9 Wilhuff Tarkin
10 Han Solo
# … with 25 more rows

$ type sample
sample is /usr/local/bin/sample

$ sample --help

$ seq 1000 | sample -r 0.01 | trim 5
893
912

$ type scp
scp is /usr/bin/scp

$ man scp

$ type sed
sed is /usr/bin/sed

$ man sed

$ type seq
seq is /usr/bin/seq

$ man seq

$ seq 3
1
2
3

$ seq 10 5 20
10
15
20

$ type servewd
servewd is /usr/bin/dsutils/servewd

$ servewd --help

$ cd /data && servewd 8000

$ type shuf
shuf is /usr/bin/shuf

$ man shuf

$ echo {a..z} | tr ' ' '\n' | shuf | trim 5
m
v
l
h
j
… with 21 more lines

$ shuf -i 1-100 | trim 5
56
8
7
88
4
… with 95 more lines

$ type skll
skll is an alias for run_experiment

$ skll --help

$ type sort
sort is /usr/bin/sort

$ man sort

$ echo '3\n7\n1\n3' | sort
1
3
3
7

$ type split
split is /usr/bin/split

$ man split

$ type sponge
sponge is /usr/bin/sponge

$ type sql2csv
sql2csv is /usr/bin/sql2csv

$ sql2csv --help

$ type ssh
ssh is /usr/bin/ssh

$ man ssh

$ type sudo
sudo is /usr/bin/sudo

$ man sudo

$ type tail
tail is /usr/bin/tail

$ man tail

$ type tapkee
tapkee is /usr/bin/tapkee

$ tapkee --help

$ type tar
tar is /usr/bin/tar

$ man tar

$ type tee
tee is /usr/bin/tee

$ man tee

$ type telnet
telnet is /usr/bin/telnet

$ type tldr
tldr is /usr/local/bin/tldr

$ tldr --help

$ tldr tar | trim
✔ Page not found. Updating cache...
✔ Creating index...

  tar

  Archiving utility.
  Often combined with a compression method, such as gzip or bzip2.
  More information: https://www.gnu.org/software/tar.

  - [c]reate an archive and write it to a [f]ile:
    tar cf target.tar file1 file2 file3

… with 22 more lines

$ type tr
tr is /usr/bin/tr

$ man tr

$ type tree
tree is /usr/bin/tree

$ man tree

$ tree / | trim
/
├── bin -> usr/bin
├── boot
├── data
│   ├── ch02
│   │   ├── fac.py
│   │   └── movies.txt
│   ├── ch03
│   │   ├── logs.tar.gz
│   │   ├── r-datasets.db
… with 121442 more lines

$ type trim
trim is /usr/bin/dsutils/trim

$ echo {a..z}-{0..9} | fold | trim 5 60
a-0 a-1 a-2 a-3 a-4 a-5 a-6 a-7 a-8 a-9 b-0 b-1 b-2 b-3 b-4…
c-0 c-1 c-2 c-3 c-4 c-5 c-6 c-7 c-8 c-9 d-0 d-1 d-2 d-3 d-4…
e-0 e-1 e-2 e-3 e-4 e-5 e-6 e-7 e-8 e-9 f-0 f-1 f-2 f-3 f-4…
g-0 g-1 g-2 g-3 g-4 g-5 g-6 g-7 g-8 g-9 h-0 h-1 h-2 h-3 h-4…
i-0 i-1 i-2 i-3 i-4 i-5 i-6 i-7 i-8 i-9 j-0 j-1 j-2 j-3 j-4…
… with 8 more lines

$ type ts
ts is /usr/bin/ts

$ echo seq 5 | sample -d 500 | ts
Mar 03 11:07:09 seq 5

$ type type
type is a shell builtin

$ man zshbuiltins | grep -A 10 '^ *type '

$ type uniq
uniq is /usr/bin/uniq

$ man uniq

$ type unpack
unpack is /usr/bin/dsutils/unpack

$ type unrar
unrar is /usr/bin/unrar

$ man unrar

$ type unzip
unzip is /usr/bin/unzip

$ man unzip

$ type vw
vw is /usr/local/bin/vw

$ vw --help --quiet

$ type wc
wc is /usr/bin/wc

$ man wc

$ type which
which is a shell builtin

$ man which

$ type xml2json
xml2json is /usr/local/bin/xml2json

$ type xmlstarlet
xmlstarlet is /usr/bin/xmlstarlet

$ man xmlstarlet

$ type xsv
xsv is /usr/bin/xsv

$ xsv --help

$ type zcat
zcat is /usr/bin/zcat

$ man zcat

$ type zsh
zsh is /usr/bin/zsh

$ man zsh