Add a possible parameter "all" for show_stats.sh

show_stats.sh

-#!/bin/sh -eu
+#!/bin/bash -eu
 
-if [ $# -lt 2 ]; then
+usage () {
     echo "usage: $0 dir target1 [target2 ...]"
+    echo "   or: $0 all"
     exit 1
+}
+
+#if [ ( $# -lt 2 ) -o ( ( $# -eq 1 ) -a ( "$1" != "all" ) ) ]; then
+if [ $# -lt 1 ]; then
+    usage
+elif [ $# -eq 1 ] && [ "$1" != "all" ]; then
+    usage
 fi
 
 dir="$1"
@@ -11,8 +19,31 @@ shift
 # prevent issues with locale-specific numeric separators
 LC_ALL=C
 
-for target in "$@"; do
-    secs=$(grep '^user_time=' $dir/.frama-c/$target/stats.txt | cut -d= -f2-)
-    maxmem=$(grep '^memory=' $dir/.frama-c/$target/stats.txt | cut -d= -f2-)
-    printf "$dir/$target: user time %.2fs, memory %d KiB\n" $secs $maxmem
-done
+print_stats () {
+    local dir target secs maxmem stats_file
+    dir=$1
+    target=$2
+    stats_file="$dir/.frama-c/$target/stats.txt"
+    if [ -f "$stats_file" ]; then
+        secs=$(grep '^user_time=' "$stats_file" | cut -d= -f2-)
+        maxmem=$(grep '^memory=' "$stats_file" | cut -d= -f2-)
+        printf "$dir/$target: user time %.2fs, memory %d KiB\n" "$secs" "$maxmem"
+    fi
+}
+
+if [ "$dir" = "all" ]; then
+    SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+    pushd "$SCRIPT_DIR" > /dev/null
+    find . -type d -path "./*/.frama-c/*.parse" -o -path "./*/.frama-c/*.eva" | \
+        cut -d/ -f2,4 | \
+        sort | \
+    while read -r dirtarget; do
+        IFS='/' read -r -a t <<< "$dirtarget"
+        print_stats "${t[0]}" "${t[1]}"
+    done
+    popd > /dev/null
+else
+    for target in "$@"; do
+        print_stats "$dir" "$target"
+    done
+fi