Script to execute commands in sequence php

Question

I'm trying to figure out how to write a script that will essentially execute one after the other (provided the previous command has finished).

php bin/console SOME:CUSTOM:COMMAND <PART_1_ARGUMENT> <PART_2_ARGUMENT> --env=xxx

The following is fixed and I need to pass in say a list of variables in-between
- php bin/console COMMAND --env=xxx

e.g. lets say I have the following as my arguments

Apple pie
Apple crumble
Pear apple

then my command would work in order executing one after the other like

php bin/console COMMAND Apple pie --env=xxx

and then right after

php bin/console COMMAND Apple crumble --env=xxx

and so forth ?

Any info is helpful I've googled for hours .. (newbie)

Just put the two commands right after each other in a shell script. — Barmar
– Barmar, Commented Aug 10, 2018 at 17:07
Can't you just pass them as a list of arguments, and in your PHP script, loop through the inputs and call your logic/function for each input. — Patrick Q
– Patrick Q, Commented Aug 10, 2018 at 17:13
Not really sure if it's exactly a "duplicate", but see this question which a quick search turned up. — Patrick Q
– Patrick Q, Commented Aug 10, 2018 at 17:15

Barmar · Accepted Answer · 2018-08-10 19:03:44Z

1

You can use a loop:

for args in "Apple pie" "Apple crumble" "Pear apple"
do
    php bin/console COMMAND $args --env=xxx
done

One caveat: this won't work if any of the arguments can contain whitespace or wildcard characters. You can't quote $args in the command line, because you need Apple and pie to be separate arguments. It wouldn't work to put quotes in the strings, because quotes aren't parsed when expanding variables. You could do it with two arrays:

arg1=("Apple" "Apple" "Pear")
arg2=("pie" "crumble" "apple")

for (( i=0; i < ${#arg1[@]}; i++ ))
do
    php bin/console COMMAND "${arg1[$i]}" "${arg2[$i]}" --env=xxx
done

edited Aug 10, 2018 at 19:03

answered Aug 10, 2018 at 17:16

Barmar

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3 Comments

yowza Over a year ago

very useful! I compared what I had, I had a bunch on extra brackets etc. But knowing that about the "whitespace" I didn't know. It's 90% there I will work on trying to get it done because the loop doesn't fully cycle. It stops after the first one :)

yowza Over a year ago

I just removed the let i=i+1 And the rest fell into place .. Thanks for your support @Barmar

Barmar Over a year ago

that was left over from an earlier while loop

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