Examples on how you can format string in Powershell

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# String Formatting - C# like syntax is supported
#   In C you'd use:
[string]::Format("There are {0} items.", $items)

# Powershell shortcut
"There are {0} items." -f $items

"There are {0} items in the location {1}." -f $items, $loc

"There are {0} items in the location {1}. Wow, {0} is a lot of items!" -f $items, $loc

# Predefined formats
# N - Number
"N0 {0:N0} formatted" -f 12345678.119    # N0 12,345,678 formatted
"N1 {0:N1} formatted" -f 12345678.119    # N1 12,345,678.1 formatted
"N2 {0:N2} formatted" -f 12345678.119    # N2 12,345,678.12 formatted
"N2 {0:N9} formatted" -f 12345678.119    # N2 12,345,678.12 formatted
"N0 {0:N0} formatted"   -f 123.119       # N0 123 formatted
"N0 {0,8:N0} formatted" -f 123.119       # N0      123 formatted

# C - Currency
"C0 {0:C0} formatted" -f 12345678.1234   # C0 $12,345,678 formatted
"C1 {0:C1} formatted" -f 12345678.1234   # C1 $12,345,678.1 formatted
"C2 {0:C2} formatted" -f 12345678.1234   # C2 $12,345,678.12 formatted

# P - Percentage
"P0 {0:P0} formatted" -f 0.1234          # P0 12 % formatted
"P2 {0:P2} formatted" -f 0.1234          # P2 12.34 % formatted

# X - Hex
"X0 0x{0:X0} formatted" -f 1234          # X0 0x4D2 formatted
"X0 0x{0:X0} formatted" -f 0x4D2         # X0 0x4D2 formatted

# D - Decimal
"D0 {0:D0} formatted"   -f 12345678      # D0 12345678 formatted
"D8 {0:D8} formatted"   -f 123           # D8 00000123 formatted
"D0 {0:D0} formatted"   -f 123           # D0      123 formatted
"D0 {0,8:D0} formatted" -f 123           # D0      123 formatted

# Note, decimal only supports ints. This causes an error:
"D0 {0:D0} formatted"   -f 123.1        


# Custom formatting
$items = 1234
"There are {0:#,#0} items." -f $items    # There are 1,234 items.
 
"Custom 0, 25 $#,##0.0000  = {0,25:$ #,##0.0000} " -f 123456789.012000005   # Custom 0, 25 $#,##0.0000  =        $ 123,456,789.0120
"Custom 0, 25 $#,##0.0000  = {0,25:$ #,##0.00} "   -f 123456789.012000005   # Custom 0, 25 $#,##0.0000  =          $ 123,456,789.01
"Custom 0, 25 $#,##0.0000  = {0,25:$ #,##0.00} "   -f 123456789.012000005   # Custom 0, 25 $#,##0.0000  =          $ 123,456,789.01
                                                                           
"Custom 0, 10 #,##0%    = {0,10:#,##0%} "    -f 0.125                       # Custom 0, 10 #,##0%    =        13%
"Custom 0, 10 #,##0.00% = {0,10:#,##0.00%} " -f 0.125                       # Custom 0, 10 #,##0.00% =     12.50%
                                                                           
# Custom date formatting. Note MM is Month, mm is minute                              
"Today is {0:M/d/yyyy}. Be well."               -f $(Get-Date)              # Today is 3/13/2014. Be well.
"Today is {0,10:MM/dd/yyyy}. Be well."          -f $(Get-Date)              # Today is 03/13/2014. Be well.
"Today is {0,10:yyyyMMdd}. Be well."            -f $(Get-Date)              # Today is   20140313. Be well.
"Today is {0,10:MM/dd/yyyy hh:mm:ss}. Be well." -f $(Get-Date)              # Today is 03/13/2014 12:21:19. Be well.
                                                                           
# Calculations can be passed in as the item to be formatted                
"The 20% tip of a 33.33 dollar bill is {0} dollars" -f (33.33 * 0.20)       # The 20% tip of a 33.33 dollar bill is 6.666 dollars

"The 20% tip of a 33.33 dollar bill is {0:0.00} dollars" -f (33.33 * 0.20)  # The 20% tip of a 33.33 dollar bill is 6.67 dollars

Example is copied from PluralSight

Categories: Powershell