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--- cookbooks:3.2.x:transformations [2011/10/18 18:50]
miconda created
+++ cookbooks:3.2.x:transformations [2011/12/15 17:11]
85.178.75.55 [{s.replace,match,repl}]
@@ Line 6: / Line 6: @@
 </code>
-[b]Transformation[/b] is basically a function that is applied to a pseudo-variable (PV) to get a special value from it. The value of PV is not altered.
+**Transformation** is basically a function that is applied to a pseudo-variable (PV) to get a special value from it. The value of PV is not affected at all.
 Transformations are implemented by various modules, most of them being in **pv** module.
@@ Line 12: / Line 12: @@
 The transformations are intended to facilitate access to different attributes of PV (like strlen of value, parts of value, substrings) or complete different value of PV (encoded in hexa, md5 value, escape/unescape PV value for DB operations...).
-A transformation is represented in between [b]'{'[/b] and [b]'}'[/b] and follows the name of a PV. When using transformations, the PV name and transformations [b]must[/b] be enclosed in between [b]'('[/b] and [b]')'[/b].
+A transformation is represented in between **'{'** and **'}'** and follows the name of a PV. When using transformations, the PV name and transformations **must** be enclosed in between **'('** and **')'**, following the **$** sign.
 <code>
@@ Line 177: / Line 177: @@
 </code>
+==== {s.replace,match,repl} ====
+Replace all occurrences of **match** with **repl**. The parameters can be pseudo-variables.
+Example:
+<code c>
+$var(x) = "abababa";
+$(var(x){s.replace,a,c} => "cbcbcbc"
+</code>
+==== {s.ftime,format} ====
+Format the epoch in the pv according to the parameter. The parameter has to be strftime formatting string.
+<code c>
+$(TS{s.ftime,%Y-%m-%d %H:%M:%S})
+</code>
 ===== URI Transformations =====

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