linux - Command not found error while shell scripting -


i'm trying execute program followed. 

./chext1.sh cpp test.cpp

this should rename test.cpp test.cpp don't think script executing @ all.
consistently getting "command not found error".
script below : 

#!/bin/sh newextension=$1; oldfile=$2;          firstpart=`echo $oldfile | sed  's/\(.*\)\..*/\1/'`     newname="$firstpart.$newextension";  #echo $oldfile #echo $newname mv "$oldfile" "$newname" #echo "$oldfile" #echo "$firstpart" #echo "$newname"

i fixed issue. went horribly wrong when ftp'd text file contained script , transferred inside of .sh in linux. wrote in scratch in emacs , cleared up.


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