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zeroPad

Pad string with leading zeros

Description

Function to pad a string with leading zeros. Useful for parameter codes and USGS site IDs.

Usage

zeroPad(x, padTo)

Arguments

x

character
padTo

number Final desired length of the character

Value

x character returned with leading zeros

Examples

pCode <- '10'
correctPCode <- zeroPad(pCode,5)
pCodes <- c('100','1000','0','12345','1565465465465465')
correctPCodes <- zeroPad(pCodes,5)
pCodeNA <- c(1,2,NA)
padPCodeNA <- zeroPad(pCodeNA,4)
dataRetrieval

Retrieval Functions for USGS and EPA Hydrologic and Water Quality Data

v2.7.10
CC0
Authors
Laura DeCicco [aut, cre] (<https://orcid.org/0000-0002-3915-9487>), Robert Hirsch [aut] (<https://orcid.org/0000-0002-4534-075X>), David Lorenz [aut], Jordan Read [ctb], Jordan Walker [ctb], Lindsay Carr [ctb], David Watkins [aut] (<https://orcid.org/0000-0002-7544-0700>), David Blodgett [ctb], Mike Johnson [aut] (<https://orcid.org/0000-0002-5288-8350>)
Initial release

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