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packer-cn/website/source/docs/configuration/from-1.5/functions/string/trim.html.md
Adrien Delorme 193dad46e6
Hcl2 input variables, local variables and functions (#8588) 
Mainly redefine or reused what Terraform did.

* allow to used `variables`, `variable` and `local` blocks
* import the following functions and their docs from Terraform: abs, abspath, basename, base64decode, base64encode, bcrypt, can, ceil, chomp, chunklist, cidrhost, cidrnetmask, cidrsubnet, cidrsubnets, coalesce, coalescelist, compact, concat, contains, convert, csvdecode, dirname, distinct, element, file, fileexists, fileset, flatten, floor, format, formatdate, formatlist, indent, index, join, jsondecode, jsonencode, keys, length, log, lookup, lower, max, md5, merge, min, parseint, pathexpand, pow, range, reverse, rsadecrypt, setintersection, setproduct, setunion, sha1, sha256, sha512, signum, slice, sort, split, strrev, substr, timestamp, timeadd, title, trim, trimprefix, trimspace, trimsuffix, try, upper, urlencode, uuidv4, uuidv5, values, yamldecode, yamlencode, zipmap.
2020-02-06 11:49:21 +01:00

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docs trim - Functions - Configuration Language configuration-functions-string-trim The trim function removes the specified characters from the start and end of a given string.

trim Function

trim removes the specified characters from the start and end of the given string.

Examples

> trim("?!hello?!", "!?")
hello

Related Functions

  • trimprefix removes a word from the start of a string.
  • trimsuffix removes a word from the end of a string.
  • trimspace removes all types of whitespace from both the start and the end of a string.