hist command (ugly)

[calc.git] / calc.c

diff --git a/calc.c b/calc.c
index cbfdcfa26724b2032b3c753caf987a909f67b246..98372cef9f0c62d66a04b05619775ecb043d3661 100644 (file)
--- a/calc.c
+++ b/calc.c
@@ -99,6 +99,22 @@ int edit_hook ()
     return rl_insert_text (edit_line);
 }
 
+/* history management */
+
+void history ()
+{
+    HIST_ENTRY **entries = history_list ();
+    if (entries == NULL) {
+        VERBOSE (WARNING, fprintf (stdout, "no history\n"));
+    } else {
+        int i = 0;
+        while (entries[i] != NULL) {
+            printf ("%d: %s\n", history_length - i, entries[i]->line);
+            i++;
+        }
+    }
+}
+
 /* main function */
 
 int main (int argc, char *argv[])
@@ -343,6 +359,7 @@ int main (int argc, char *argv[])
 // test: echo "-cos(0)+1" | calc.exe | grep -q '=> -0'
 // test: echo "quit" | calc.exe | grep -q 'bye'
 // test: echo "help" | calc.exe | grep -q 'miscellaneous'
+// test: echo -e '1 + 1\nhist' | calc.exe | grep -q '2: 1 + 1'
 // test: echo "1 + 2 *" | calc.exe | grep -q 'error'
 // test: echo "* 1 - 2" | calc.exe | grep -q 'error'
 // test: echo "2 + * 3" | calc.exe | grep -q 'error'
@@ -360,7 +377,7 @@ int main (int argc, char *argv[])
 // test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe -n | grep -q 2
 // test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe | grep -q 64
 // test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe | grep -q 2
-// test: echo -e '-cos (1)\n1 + 1\n1 - 1\n1 * 1\n1 / 1\n3%2\n2^2\nsqrt (2)\ncos (0)\nsin (0)\ntan (0)\nacos (0)\nasin (0)\natan (0)\nln (1)\nlog (1)\nexp (1)\nabs (-1)\nceil (1.2)\nfloor (-1.2)\nans\ne\npi\nsto (1)\nrcl (2)\ndisp\nhelp\nquit' | calc.exe -n -v 3 | grep -q bye
+// test: echo -e '-cos (1)\n1 + 1\n1 - 1\n1 * 1\n1 / 1\n3%2\n2^2\nsqrt (2)\ncos (0)\nsin (0)\ntan (0)\nacos (0)\nasin (0)\natan (0)\nln (1)\nlog (1)\nexp (1)\nabs (-1)\nceil (1.2)\nfloor (-1.2)\nans\ne\npi\nsto (1)\nrcl (2)\ndisp\nhelp\nhist\nquit' | calc.exe -n -v 3 | grep -q bye
 // test: echo -e '1 +\n1 -\n1 * 1\n1 /\n3%\n2^\nsqrt ()\ncos ()\nsin ()\ntan ()\nacos ()\nasin ()\natan ()\nln ()\nlog ()\nexp ()\nabs ()\nceil ()\nfloor ()\n1 + (\n1+2(\n1+2cos\n1+2pi' | calc.exe | grep -c error | xargs test 22 =
 // test: echo -e '1 + 1\nans' | calc.exe -p 3 | grep -c 2 | xargs test 2 =
 // test: echo -e 'sin (pi / 2)' | calc.exe -p 4 | grep -q 1