User jesse_b

32 votes

3 answers

7k views

How can I detect if I'm in a subshell?

asked Jun 12, 2019 at 18:35

10 votes

3 answers

1k views

For what purpose does "read" exit 1 when EOF is encountered?

shell read

asked Dec 3, 2020 at 17:55

8 votes

2 answers

459 views

Why was `.` chosen to represent the dot command?

command history historical-unix

asked Jul 28, 2018 at 21:19

8 votes

1 answer

1k views

What are curly quotes and can I use them in my code?

shell-script quoting special-characters

asked Jun 2 at 17:55

7 votes

1 answer

9k views

Add key/value to json object

json jq

asked Jan 12, 2021 at 20:45

6 votes

4 answers

959 views

Print match and line after

text-processing awk sed

asked Jun 28, 2018 at 17:16

5 votes

3 answers

6k views

How to JSON-escape input?

text-processing sed text-formatting json github

asked Oct 26, 2019 at 19:52

5 votes

1 answer

748 views

Why does awk's system() call behave this way?

awk gawk

asked Jan 16, 2020 at 20:50

5 votes

0 answers

79 views

What dictates smf service maintenance mode?

opensolaris illumos smf

asked May 21, 2020 at 13:20

5 votes

3 answers

2k views

Extract multiple lines if match

text-processing awk

asked Jan 17, 2019 at 15:27

5 votes

4 answers

4k views

Issues with regex match using the =~ operator of the bash [[ command

bash osx regular-expression date

asked Oct 14, 2017 at 19:43

4 votes

1 answer

7k views

Problems creating array with newline separator

bash shell-script quoting array

asked Aug 6, 2017 at 13:40

4 votes

4 answers

4k views

Can I use comparison operators in case?

bash case

asked Aug 8, 2017 at 2:02

4 votes

1 answer

146 views

export function with different name

bash

asked Feb 3 at 15:42

3 votes

0 answers

56 views

why does bsd grep behave this way

grep bsd

asked Feb 23 at 23:51

3 votes

0 answers

76 views

Why has ls never had a parsable option implemented? [duplicate]

ls history

asked Feb 5, 2021 at 19:50

3 votes

2 answers

214 views

Add to array only within scope of function

bash array function

asked Feb 8, 2019 at 20:17

3 votes

0 answers

75 views

What's wrong with putting do on the same line as for? [duplicate]

shell-script portability

asked Jul 13, 2018 at 21:39

2 votes

2 answers

342 views

Why does my script create an extra character?

bash text-processing

asked Jul 11, 2019 at 14:07

2 votes

3 answers

325 views

How to use column with tput colors?

bash text-formatting tput

asked Dec 4, 2020 at 20:26

2 votes

3 answers

456 views

How to optimize GNU parallel for this use?

bash parallelism gnu-parallel

asked Jan 25, 2020 at 15:03

2 votes

1 answer

267 views

Why does this code work in bash v4.4 but not bash v3.2?

bash shell-script array

asked May 12, 2018 at 21:58

2 votes

1 answer

1k views

WSL Run Service at Start

ubuntu cron services windows-subsystem-for-linux

asked Mar 21, 2020 at 12:46

2 votes

1 answer

5k views

Bash Integer Comparison [duplicate]

bash test

asked Dec 22, 2017 at 16:51

2 votes

2 answers

8k views

How to use mapfile/readarray

bash here-string

asked Jan 19, 2018 at 22:30

2 votes

2 answers

3k views

How to use regex negative lookahead?

regular-expression iterm2

asked Aug 9, 2017 at 15:48

2 votes

2 answers

735 views

How to split a file based on context?

text-processing osx csplit

asked Aug 24, 2017 at 15:44

2 votes

3 answers

135 views

Trouble with awk match

text-processing awk csv

asked Jul 5, 2017 at 3:48

2 votes

2 answers

16k views

Create new array with unique values from existing array [duplicate]

bash array

asked Jul 11, 2017 at 21:30

2 votes

2 answers

408 views

How can I pass two files through ssh?

bash ssh sshpass

asked Jul 13, 2017 at 2:09

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44 Questions

How can I detect if I'm in a subshell?

For what purpose does "read" exit 1 when EOF is encountered?

Why was `.` chosen to represent the dot command?

What are curly quotes and can I use them in my code?

Add key/value to json object

Print match and line after

How to JSON-escape input?

Why does awk's system() call behave this way?

What dictates smf service maintenance mode?

Extract multiple lines if match

Issues with regex match using the =~ operator of the bash [[ command

Problems creating array with newline separator

Can I use comparison operators in case?

export function with different name

why does bsd grep behave this way

Why has ls never had a parsable option implemented? [duplicate]

Add to array only within scope of function

What's wrong with putting do on the same line as for? [duplicate]

Why does my script create an extra character?

How to use column with tput colors?

How to optimize GNU parallel for this use?

Why does this code work in bash v4.4 but not bash v3.2?

WSL Run Service at Start

Bash Integer Comparison [duplicate]

How to use mapfile/readarray

How to use regex negative lookahead?

How to split a file based on context?

Trouble with awk match

Create new array with unique values from existing array [duplicate]

How can I pass two files through ssh?