On the linux boxes mps-pc10 and mps-pc11, there is a directory called ~idl/ImanParser  
The code in ImanParser must set the library name and the library directory and the data file search path.    
The test program MatlabImanparserTest.m  works fine with Matlab R2007b.  
The only  difference is right at the top of the program (first 38 lines) reproduced below. 

To invoke matlab from the idl home directory, just type
matlab &

% MatlabImanParserTest

%debug =nn is the name of the computer of the form mps-pcnn

debug = 10; % lab linux box
% debug = 4; % windows box
% debug = 5; % desk linux box
% debug = 11; % lab linux box

if (debug == 4)
strPath = 'C:\ImanParserWindows\';
elseif (debug == 5)
strPath = '/home/caywood/keck/imaging/ImanParser/';
elseif (debug == 10) || (debug ==11)
strPath = '/home/idl/ImanParser/';
end

if (debug == 4)
strLibName = 'ImanParserLib';
% strDll = [strPath 'ImanParserLib___Win32_Debug\' strLibName ]
strDll = [strPath 'ImanParserLib___Win32_Release\' strLibName ]
elseif (debug == 5) || (debug == 10) || (debug ==11)
strLibName = 'libImanParser';
strDll = [strPath strLibName '.so'];
end

strHeader = [strPath 'imanParser.h'];

% COST
if (debug == 4)
strFile = 'h:\\raw\\k459\\t_65g.0000';
elseif (debug == 5)
strFile = '/data/raw/k459/t_65g.0000';
elseif (debug == 10) || (debug == 11)
strFile = '/b/cat/k503/t_7ag.0000';
end