Give usage message if no arguments provided.

git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@1483 348d0f76-0448-11de-a6fe-93d51630548a
2009-08-31 00:28:43 +00:00 · 2009-08-31 00:28:43 +00:00 · 2402dcd4c9
parent 813a4e838f
commit 2402dcd4c9
1 changed files with 3 additions and 0 deletions
--- a/python/AlignBam.py
+++ b/python/AlignBam.py
@ -38,6 +38,9 @@ def run_paired_BWA(bam):
    cmd("/seq/dirseq/samtools/current/samtools import "+bam_ref_list+" "+alignedsam+" "+alignedbam)
    
 if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print "Usage: AlignBam.py BAM_FILE"
+        sys.exit()
    bam = sys.argv[1]
    run_paired_BWA(bam)