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POIssue reading command-line-args in script
 

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    <p>I'm attempting to write a library to do some domain-specific stuff. I'd like to add some scripts to this library that can be run straight from the commandline.</p> <p>Directory layout:</p> <pre><code>+- project.clj +- src/ | +- my-lib.clj | +- my-lib/ | +- my-sub-1.clj +- scripts/ +- run-command.sh </code></pre> <p>The src/my-lib.clj file loads the my-lib/my-sub-1.clj file:</p> <pre><code>(ns my-lib (:use [my-lib.my-sub-1]) ) </code></pre> <p>The src/my-lib/my-sub-1.clj file contains the functions I want to make available. One of these functions is called "convert" and takes two arguments: an input filename and an output filename; it converts the fileformat. To use it:</p> <pre><code>(convert "input-file.txt" "output-file.txt") </code></pre> <p>The (do-something-interesting) and (convert) functions in src/my-lib/my-sub-1.clj look like this:</p> <pre><code>(defn do-something-interesting [input-file output-file] (magic-happens-here input-file output-file)) (defn convert [args] (let [infile (first args) outfile (second args)] (do-something-interesting infile outfile))) </code></pre> <p>My goal at the moment: to create a script "run-command.sh" in the "scripts" directory that takes two arguments: the input filename and output filename. It should be possible to run the script with:</p> <pre><code>./run-command.sh input-file.txt output-file.txt </code></pre> <p>I do have run-command.sh working, as long as I hard-code the filenames in that script by using the (do-something-interesting) function instead of (convert). I haven't been able yet to read from the argument list...</p> <p>The run-command.sh script that works:</p> <pre><code>#!/bin/sh java -cp "../lib/*":"../src":$CLASSPATH clojure.main -e " (use '[my-lib my-sub-1]) (do-something-interesting "path-to-input-file" "path-to-output-file") " </code></pre> <p>... but what doesn't work:</p> <pre><code>#!/bin/sh java -cp "../lib/*":"../src":$CLASSPATH clojure.main -e " (use '[my-lib my-sub-1]) (convert *command-line-args*) " </code></pre> <p>The error I get is:</p> <pre><code>Exception in thread "main" java.lang.IllegalArgumentException: No implementation of method: :reader of protocol: #'clojure.contrib.io/Streams found for class: nil (NO_SOURCE_FILE:0) at clojure.lang.Compiler.eval(Compiler.java:5435) at clojure.lang.Compiler.eval(Compiler.java:5386) at clojure.core$eval.invoke(core.clj:2382) at clojure.main$eval_opt.invoke(main.clj:235) at clojure.main$initialize.invoke(main.clj:254) at clojure.main$null_opt.invoke(main.clj:279) at clojure.main$main.doInvoke(main.clj:354) at clojure.lang.RestFn.invoke(RestFn.java:422) at clojure.lang.Var.invoke(Var.java:369) at clojure.lang.AFn.applyToHelper(AFn.java:165) at clojure.lang.Var.applyTo(Var.java:482) at clojure.main.main(main.java:37) Caused by: java.lang.IllegalArgumentException: No implementation of method: :reader of protocol: #'clojure.contrib.io/Streams found for class: nil at clojure.core$_cache_protocol_fn.invoke(core_deftype.clj:471) at clojure.contrib.io$eval32$fn__33$G__23__38.invoke(io.clj:118) at bioclojure.vcf$header.invoke(vcf.clj:22) at bioclojure.vcf$column_header.invoke(vcf.clj:55) at bioclojure.vcf$column_names.invoke(vcf.clj:61) at bioclojure.vcf$vcf2tsv.invoke(vcf.clj:169) at bioclojure.vcf$convert.invoke(vcf.clj:185) at user$eval474.invoke(NO_SOURCE_FILE:3) at clojure.lang.Compiler.eval(Compiler.java:5419) ... 11 more </code></pre> <p>I've tried "use"ing clojure.contrib.io within the script file run-command.sh itself, and within the top library file my-lib.clj, but no luck so far...</p> <p>If anyone could help me out that'd be great.</p> <p>jan.</p>
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