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Suppose we need to read all the lines of a file one by one and store is a variable dynamically.1.set fp [open my_report.tcl r]while {[gets $fp data] >= 0} {   2. if {[regexp “VIOLATED” ]} {      3.  //desired statement for operation    4.}5.}. The error in code at line number___

Question

Suppose we need to read all the lines of a file one by one and store is a variable dynamically.1.set fp [open my_report.tcl r]while {[gets $fp data] >= 0} {   2. if {[regexp “VIOLATED” ]} {      3.  //desired statement for operation    4.}5.}. The error in code at line number___

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Solution

The error in the code is at line number 2. The "regexp" command is missing its required arguments. It should include the pattern to match and the string to match against. In this case, it should be something like:

if {[regexp "VIOLATED" $data]} { ... }

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