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## windowspowershell.md

      
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                marcusshepp
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              February 17, 2022 15:17
            
              
                Windows Powershell
              
          
    powershell

Files and Directories

create a new file with new-item

new-item -name 'foobar.txt' -itemtype file -path . -value 'foobarpop'
create a new directory with new-item

new-item -name 'foobar' -itemtype directory -path .
moving items with move-item


## git_add_rm_files.sh
git rm $(git ls-file --deleted);

## reset-file.sh
git checkout c5f567 -- file1/to/restore file2/to/restore

## f-br.sh
# to fetch (obtain references to) all origin branches
git fetch origin

# to see all branches
git branch -a

git branch -a | grep foo


## puts.rb
# puts string was not working, these are a few work arounds
def puts(s)
  Rails.logger.info(s)
end

File.open("debug.txt", ""){|f|f.write('foo')}

raise "foo"

## show_untracked_files.sh
git ls-files --others --exclude-standard

## files-changed.sh
git diff --name-only

## no-whitespace.sh
git diff -w # ignores whitespace differences
# note that this will see no difference in "asc" and "a s c"

git diff --ignore-space-at-eol # ignores all space at the end of line
# this is most likely what you want.

# these options also work with git show
git show 2ert4d9 --ignore-all-space
git show 2ert4d9 --ignore-space-change

## suppress.sh
git log @{u}.. 2> /dev/null

# if git log fails, it will fail silently.
# 2> means redirecting the output of stderr.
# https://stackoverflow.com/questions/40714202/what-is-the-meaning-of-2-in-2-dev-null

## compare.sh
git log @{u}..
# @{u} is a shortcut to the upstream branch that this current branch is tracking.
# .. specifies a range of commits.
# same as saying git log @{u}..HEAD
# comparing where HEAD is on this branch to where HEAD is on the remote tracked branch.s
# https://stackoverflow.com/questions/19474577/what-does-the-argument-u-mean-in-git/19474730#19474730
	# to fetch (obtain references to) all origin branches
	git fetch origin

	# to see all branches
	git branch -a

	git branch -a \| grep foo
	# puts string was not working, these are a few work arounds
	def puts(s)
	Rails.logger.info(s)
	end

	File.open("debug.txt", ""){\|f\|f.write('foo')}

	raise "foo"
	git diff -w # ignores whitespace differences
	# note that this will see no difference in "asc" and "a s c"

	git diff --ignore-space-at-eol # ignores all space at the end of line
	# this is most likely what you want.

	# these options also work with git show
	git show 2ert4d9 --ignore-all-space
	git show 2ert4d9 --ignore-space-change
	git log @{u}.. 2> /dev/null

	# if git log fails, it will fail silently.
	# 2> means redirecting the output of stderr.
	# https://stackoverflow.com/questions/40714202/what-is-the-meaning-of-2-in-2-dev-null
	git log @{u}..
	# @{u} is a shortcut to the upstream branch that this current branch is tracking.
	# .. specifies a range of commits.
	# same as saying git log @{u}..HEAD
	# comparing where HEAD is on this branch to where HEAD is on the remote tracked branch.s
	# https://stackoverflow.com/questions/19474577/what-does-the-argument-u-mean-in-git/19474730#19474730