Added functionality to bulk-edit records

library

@@ -6,13 +6,13 @@ GIT=detect
 
 # help-message, /home/swflint/Projects/library/library.org
 if [[ $# -eq 0 ]] ; then
-    echo "library [ help | query | add | git | bulk-add | report | edit | loan | return-book | init ]"
+    echo "library [ help | query | add | git | bulk-add | report | edit | edit-matching | loan | return-book | init ]"
     exit
 fi
 
 function display_help {
     cat <<EOF
-library [ help | query | add | git | bulk-add | report | edit | loan | return-book | init ]
+library [ help | query | add | git | bulk-add | report | edit | edit-matching | loan | return-book | init ]
 
 help:       Display this help message.
 query:      Query Library Database.
@@ -21,6 +21,7 @@ git:        Run a git command.
 bulk-add:   Add a specified number of records.
 report:     Run a report.
 edit:       Edit the value of a specified field in a specified record.
+edit-matching: Edit records matching a give expression
 loan:       Loan a book out.
 return-book:Process a book return
 init:       Initialize the database.
@@ -180,6 +181,24 @@ function do_edit {
     do_git add `basename ${LIBRARYFILE}`
     do_git commit -m "Edited record id ${ID}"
 }
+
+function do_edit_exp {
+    if [[ $# -lt 3 ]] ; then
+        echo "ledger edit-matching match-exp field value"
+        exit 1
+    fi
+    MATCHEXPRESSION=$1
+    shift
+    FIELDNAME=$1
+    shift
+    VALUE=$1
+    shift
+    recset -e "${MATCHEXPRESSION}" \
+           -f "${FIELDNAME}" -S "${VALUE}" \
+           ${LIBRARYFILE}
+    do_git add $(basename ${LIBRARYFILE})
+    do_git commit -m "Edited records"
+}
 # edit-field ends here
 
 # initialize-database, /home/swflint/Projects/library/library.org
@@ -292,6 +311,10 @@ case ${COMMAND} in
         do_edit $@
         exit
         ;;
+    edit-matching)
+        do_edit_exp "$@"
+        exit
+        ;;
     loan)
          do_loan $@
          exit