Bash replace string

Question

I'm working on a script which checks if file exists. If it exists then I want to get the route.

What I did is the following:

RESULT_=$(find $PWD -name someRandom.json)

This returns the path to the file:

/Users/guest/workspace/random_repo/random/some_folder/someRandom.json

I'm stuck in the way to navigate among files. Is there a way of replacing someRandom.json with '' so I can do:

cd /Users/guest/workspace/random_repo/random/some_folder/

I tried using the solution provided here but it isn't working. I tried the following:

RESULT=$($RESULT/someRandom.json/'')
echo $RESULT

And this returns no such file or directory.

Every character counts.

Ignacio Vazquez-Abrams
– Ignacio Vazquez-Abrams

2018-07-17 22:06:40 +00:00
Commented Jul 17, 2018 at 22:06 — Ignacio Vazquez-Abrams
– Ignacio Vazquez-Abrams, Commented Jul 17, 2018 at 22:06

dawg · Accepted Answer · 2018-07-17 22:52:03Z

2

given:

$ echo "$result"
/Users/guest/workspace/random_repo/random/some_folder/someRandom.json

You can get the file name:

$ basename "$result"
someRandom.json

Or the path:

$ dirname "$result"
/Users/guest/workspace/random_repo/random/some_folder

Or you can use substring deletion:

$ echo "${result%/*}"
/Users/guest/workspace/random_repo/random/some_folder

Or, given the file name and the full path, just remove the file name:

$ echo "$tgt"
someRandom.json
$ echo "${result%"$tgt"}"
/Users/guest/workspace/random_repo/random/some_folder/

There are many examples of Bash string manipulation:

BashFAQ/100

BashFAQ/073

Bash Hacker's Parameter Expansion

Side note: Avoid using CAPITAL_NAMES for Bash variables. They are reserved for Bash use by convention...

edited Jul 17, 2018 at 22:52

answered Jul 17, 2018 at 22:22

dawg

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Comments

Ignacio Vazquez-Abrams · Accepted Answer · 2018-07-17 22:07:50Z

2

You want parameter expansion, not command substitution.

RESULT="${RESULT%/*}/"

answered Jul 17, 2018 at 22:07

Ignacio Vazquez-Abrams

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2 Comments

Jebby Over a year ago

You can just use exec in the find command. 'find $PWD -name someRandom.json -exec dirname {} \;' And to cd to it: cd $(find $PWD -name someRandom.json -exec dirname {} \;)

Charles Duffy Over a year ago

@Jebby, that's going to behave badly if the directory names have spaces. "$PWD" should be quoted, -quit should be added at the very end of the find command (so it can't return more than one directory), and the command substitution as a whole should have quotes around it.

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