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Fixing typo and some other formatting

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Doubled input on 'pipeline'
spaces between commented sections
expand alias on where
This commit is contained in:
Andrew Ryan Davis 2020-08-19 23:23:53 -07:00
parent ea49b693cc
commit c0a8574825
1 changed files with 5 additions and 9 deletions
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14
powershell.html.markdown
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@ -29,6 +29,7 @@ Powershell as a Language:
like so
#>
####################################################
## 1. Primitive Datatypes and Operators
####################################################
@ -191,6 +192,7 @@ $someVariable # => 5
# Ternary Operators exist in Powershell 7 and up
0 ? 'yes' : 'no' # => no
# The default array object in Powershell is an fixed length array
$defaultArray = "thing","thing2","thing3"
# you can add objects with '+=', but cannot remove objects
@ -282,8 +284,6 @@ $filledHash["one"] # => 1
# items maintain the order at which they are inserted into the dictionary.
$filledHash.keys # => ["one", "two", "three"]
# Get all values as an iterable with ".Values".
$filledHash.values # => [1, 2, 3]
@ -303,7 +303,6 @@ $filledHash["four"] = 4 # $filledHash["four"] is set to 4, run again and it does
$filledHash.Remove("one") # Removes the key "one" from filled dict
####################################################
## 3. Control Flow and Iterables
####################################################
@ -403,7 +402,6 @@ $contents | Out-File "$env:HOMEDRIVE\file.txt" # writes to another file
Get-Content "$env:HOMEDRIVE\file.csv" | ConvertTo-Json
####################################################
## 4. Functions
####################################################
@ -484,7 +482,6 @@ Get-Command -module dbaTools
Get-Help dbaTools -Full
####################################################
## 6. Classes
####################################################
@ -538,7 +535,6 @@ True False Guitar Instrument
#>
####################################################
## 7. Advanced
####################################################
@ -558,13 +554,13 @@ Get-Process | Foreach-Object ProcessName | Group-Object
# Useful pipeline examples are iteration and filtering
1..10 | ForEach-Object { "Loop number $PSITEM" }
1..10 | where {$PSITEM -gt 5} | Format-Table
1..10 | Where-Object { $PSITEM -gt 5 } | ConvertTo-Json
# A noteable pitfall of the pipeline is it's performance when
# compared with other options
# additionally, raw bytes are not passed through the piipeline
# Additionally, raw bytes are not passed through the pipeline
# so passing an image causes some issues
# See more on that in the links at the bottom
# See more on that in the link at the bottom
<#
Asynchronous functions exist in the form of jobs