use proper head command when using non-default parameters

Author: nimgould

bin/install_sifdecode_main

@@ -6,7 +6,7 @@
 # syntax: ginstall_sifdecode
 
 # N. Gould, D. Orban & Ph. Toint
-# ( Last modified 2023-10-24 at 14:05 GMT )
+# ( Last modified 2025-01-02 at 08:10 GMT )
 
 export SIFDECODE=`dirs -l`
 export SIFDECODE=`echo $SIFDECODE | $SED 's"/tmp_mnt""'`
@@ -59,7 +59,7 @@ echo 'LS="'$LS'"'                                                  >> $SYSFILE
 echo 'LN="'$LN'"'                                                  >> $SYSFILE
 echo 'GREP="'$GREP'"'                                              >> $SYSFILE
 echo 'AWK="'$AWK'"'                                                >> $SYSFILE
-echo 'HEAD="'HEAD'"'                                               >> $SYSFILE
+echo 'HEAD="'$HEAD'"'                                              >> $SYSFILE
 echo 'TAIL="'$TAIL'"'                                              >> $SYSFILE
 echo 'FORTRAN="'$FORTRAN'"'                                        >> $SYSFILE
 MOD='$SIFDECODE/modules/'$VERSION'/$PRECIS'

bin/sifdecoder

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+####!/usr/bin/bash -vx
 # sifdecoder: script to decode a sif file
 #
 #  N. Gould, D. Orban & Ph. Toint, November 7th, 2000
@@ -352,6 +353,7 @@ if ((  nbparam > 0  )); then
     let failed=0
 
     if [[  "$matchingLines" == ""  ]]; then
+        echo 'force = ' $FORCE
         if (( FORCE == 0 )); then
             warning "Failed setting ${PARNAMELIST[$p]} to ${PARVALUELIST[$p]} -- skipping"
             let failed=1