inconsistent result when trying to echo to a file #798
Description
Node version (or tell us if you're using electron or some other framework):
v7.10.0
ShellJS version (the most recent version/Github branch you see the bug on):
shelljs": "^0.7.8"
Operating system:
Ubuntu 16.04
Description of the bug:
Scenario:
Getting a POST from a cloud-init "phone home" function that provides some data that I want to echo into separate files per data
Bug:
There seems to be an inconsistency, because the code below does only produce correct value in the cases where the echoed string variable is short. However if I would take one of the longer string variables e.g. 'myPubKeyRSA' and create a test script like the second example in the code that works properly.
When the execution fails to echo to the file then the echoed value spills over and is displayed in the node js console
Example ShellJS command to reproduce the error:
This script will NOT put long strings into the file but the file is created
var myPath = 'phonebook/' + myHostname + '/';
shell.mkdir(myPath);
shell.exec('echo ' + myHostname + ' > ' + myPath + 'hostname.txt');
shell.echo('Wrote: ' + myHostname + ' to file');
shell.exec('echo ' + myInstanceID + ' > ' + myPath + 'instance_id.txt');
shell.echo('Wrote: ' + myInstanceID + ' to file');
shell.exec('echo ' + myFQDN + ' > ' + myPath + 'fqdn.txt');
shell.echo('Wrote: ' + myFQDN + ' to file');
shell.exec('echo ' + myPubKeyRSA + ' > ' + myPath + 'pub_key_rsa.txt');
shell.echo('Wrote: ' + myPubKeyRSA + ' to file');
shell.exec('echo ' + myPubKeyECDSA + ' > ' + myPath + 'pub_key_ecdsa.txt');
shell.echo('Wrote: ' + myPubKeyECDSA + ' to file');
shell.exec('echo ' + myPubKeyDSA + ' > ' + myPath + 'pub_key_dsa.txt');
shell.echo('Wrote: ' + myPubKeyDSA + ' to file');console output when the code above is triggered
mkdir: path already exists: phonebook/centos-cloud-init/
Wrote: centos-cloud-init to file
Wrote: iid-datasource-none to file
Wrote: centos-cloud-init to file
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDfF4OIX2DIUZJyr7pNqblA49C1hCWzbKZHCSi7161FvfpHJYjeL8BQQPCyhNJKN6W39iEkHbcnqdU03jImEkQT2cnOxN5LBIc0wVYtJvT+KzVj4y3bqELnjJqJjEwXZZfmBsJz4l1pnQ8mjJ0kgcgBCZCV2A9Kg6EepRoRgMbM2mrXTuMYdp+rRqrJUn7X6HBZGLS23t5ty/5B9704kDzTj+ATwZLulbuNHsBs4galz6U+5pveYseKMtRubJjCT54jCGXuyHIy6Imtetpd2KsI9pvZGvsu2STT2eX0y8lG+RNbMQuUtnhant203vog3SkpfxRhPqO8JgmGuQ64Lpy3
Wrote: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDfF4OIX2DIUZJyr7pNqblA49C1hCWzbKZHCSi7161FvfpHJYjeL8BQQPCyhNJKN6W39iEkHbcnqdU03jImEkQT2cnOxN5LBIc0wVYtJvT+KzVj4y3bqELnjJqJjEwXZZfmBsJz4l1pnQ8mjJ0kgcgBCZCV2A9Kg6EepRoRgMbM2mrXTuMYdp+rRqrJUn7X6HBZGLS23t5ty/5B9704kDzTj+ATwZLulbuNHsBs4galz6U+5pveYseKMtRubJjCT54jCGXuyHIy6Imtetpd2KsI9pvZGvsu2STT2eX0y8lG+RNbMQuUtnhant203vog3SkpfxRhPqO8JgmGuQ64Lpy3
to file
ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBErLcdBMpw7Z97s9Yd+odC1hOUCGAE704HlVuzKxE5lcCQ0yRlOG11b03lAjSzNLLcqLqm/719959cjcuM8/XpY=
Wrote: ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBErLcdBMpw7Z97s9Yd+odC1hOUCGAE704HlVuzKxE5lcCQ0yRlOG11b03lAjSzNLLcqLqm/719959cjcuM8/XpY=
to file
Wrote: N/A to file
checking file in terminal
dev@vm1000:~/mk/nodeapi cat phonebook/centos-cloud-init/pub_key_rsa.txt
dev@vm1000:~/mk/nodeapi
folderlisting
dev@vm1000:~/mk/nodeapi ll phonebook/centos-cloud-init/
total 24
drwxrwxr-x 2 sdi sdi 4096 Nov 3 15:03 ./
drwxrwxr-x 3 sdi sdi 4096 Nov 3 14:58 ../
-rw-rw-r-- 1 sdi sdi 18 Nov 3 15:03 fqdn.txt
-rw-rw-r-- 1 sdi sdi 18 Nov 3 15:03 hostname.txt
-rw-rw-r-- 1 sdi sdi 20 Nov 3 15:03 instance_id.txt
-rw-rw-r-- 1 sdi sdi 4 Nov 3 15:03 pub_key_dsa.txt
-rw-rw-r-- 1 sdi sdi 0 Nov 3 15:03 pub_key_ecdsa.txt
-rw-rw-r-- 1 sdi sdi 0 Nov 3 15:03 pub_key_rsa.txt
This script will put value into a file even if the variable holds a long string
var myKeyValue = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDfF4OIX2DIUZJyr7pNqblA49C1hCWzbKZHCSi7161FvfpHJYjeL8BQQPCyhNJKN6W39iEkHbcnqdU03jImEkQT2cnOxN5LBIc0wVYtJvT+KzVj4y3bqELnjJqJjEwXZZfmBsJz4l1pnQ8mjJ0kgcgBCZCV2A9Kg6EepRoRgMbM2mrXTuMYdp+rRqrJUn7X6HBZGLS23t5ty/5B9704kDzTj+ATwZLulbuNHsBs4galz6U+5pveYseKMtRubJjCT54jCGXuyHIy6Imtetpd2KsI9pvZGvsu2STT2eX0y8lG+RNbMQuUtnhant203vog3SkpfxRhPqO8JgmGuQ64Lpy3";
var myPath = 'phonebook/';
shell.exec('echo ' + myKeyValue + ' > ' + myPath + 'thekey.txt');Output in terminal
dev@vm1000:~/mk/nodeapi cat phonebook/thekey.txt
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDfF4OIX2DIUZJyr7pNqblA49C1hCWzbKZHCSi7161FvfpHJYjeL8BQQPCyhNJKN6W39iEkHbcnqdU03jImEkQT2cnOxN5LBIc0wVYtJvT+KzVj4y3bqELnjJqJjEwXZZfmBsJz4l1pnQ8mjJ0kgcgBCZCV2A9Kg6EepRoRgMbM2mrXTuMYdp+rRqrJUn7X6HBZGLS23t5ty/5B9704kDzTj+ATwZLulbuNHsBs4galz6U+5pveYseKMtRubJjCT54jCGXuyHIy6Imtetpd2KsI9pvZGvsu2STT2eX0y8lG+RNbMQuUtnhant203vog3SkpfxRhPqO8JgmGuQ64Lpy3