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Document empty replacement values #234

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6 changes: 5 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,8 @@ the Key column.

[--new=<value>]
An alternative way to specify the replacement string. Use this when the
replacement string starts with '--' (e.g., --new='--other-text').
replacement string starts with '--' (e.g., --new='--other-text') or is
empty.

[--dry-run]
Run the entire search/replace operation and show report, but don't save
Expand Down Expand Up @@ -158,6 +159,9 @@ the Key column.
# Search/replace string containing hyphens
$ wp search-replace --old='--old-string' --new='new-string'

# Remove a string by replacing it with an empty value
$ wp search-replace --old='remove-me' --new=''

# Use precise mode for complex serialized data
$ wp search-replace 'oldurl.com' 'newurl.com' --precise

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6 changes: 5 additions & 1 deletion src/Search_Replace_Command.php
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Expand Up @@ -162,7 +162,8 @@ class Search_Replace_Command extends WP_CLI_Command {
*
* [--new=<value>]
* : An alternative way to specify the replacement string. Use this when the
* replacement string starts with '--' (e.g., --new='--other-text').
* replacement string starts with '--' (e.g., --new='--other-text') or is
* empty.
*
* [--dry-run]
* : Run the entire search/replace operation and show report, but don't save
Expand Down Expand Up @@ -275,6 +276,9 @@ class Search_Replace_Command extends WP_CLI_Command {
* # Search/replace string containing hyphens
* $ wp search-replace --old='--old-string' --new='new-string'
*
* # Remove a string by replacing it with an empty value
* $ wp search-replace --old='remove-me' --new=''
*
* # Use precise mode for complex serialized data
* $ wp search-replace 'oldurl.com' 'newurl.com' --precise
*
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