format.sh: Remove trailing spaces. (#143)

Author: g-easy

opencensus/copts.bzl

@@ -42,7 +42,7 @@ DEFAULT_COPTS = select({
 TEST_COPTS = DEFAULT_COPTS + select({
     "//opencensus:llvm_compiler": LLVM_TEST_FLAGS,
     # Disable "not all control paths return a value"; functions that return
-    # out of a switch on an enum cause build errors otherwise.    
+    # out of a switch on an enum cause build errors otherwise.
     "//opencensus:windows": MSVC_TEST_FLAGS + ["/wd4715"],
     "//conditions:default": GCC_TEST_FLAGS,
 })

opencensus/doc/benchmarks.md

@@ -10,21 +10,21 @@ bazel run -c opt opencensus/stats:stats_manager_benchmark [-- BENCHMARK_FLAGS]
 Benchmarks use the [Google benchmark](https://github.com/google/benchmark)
 library. This accepts several helpful flags, including
  - --benchmark_filter=REGEX: Run only benchmarks whose names match REGEX.
- - --benchmark_repetitions=N: Repeat each benchmark and calculate 
+ - --benchmark_repetitions=N: Repeat each benchmark and calculate
    mean/median/stddev.
- - --benchmark_report_aggregates_only={true|false}: In conjunction with 
+ - --benchmark_report_aggregates_only={true|false}: In conjunction with
    benchmark_repetitions, report only summary statistics and not single-run
    timings.
 
 ## Profiling
 
 Benchmarks can be profiled using the
-[gperftools](https://github.com/gperftools/gperftools) library. On 
+[gperftools](https://github.com/gperftools/gperftools) library. On
 Debian/Ubuntu, install the `google-perftools` (profile analysis tools) and
-`libgoogle-perftools-dev` (profiling library) packages. When running the 
+`libgoogle-perftools-dev` (profiling library) packages. When running the
 benchmark, set `LD_PRELOAD=/usr/lib/libprofiler.so` to enable the profiler and
 `CPUPROFILE=PATH` to save a profile, and analyze the profile with
-`google-pprof` (which needs a path to the binary for symbolization). For 
+`google-pprof` (which needs a path to the binary for symbolization). For
 example,
 ```shell
 bazel build -c opt opencensus/stats:stats_manager_benchmark

tools/format.sh

@@ -22,6 +22,8 @@ set -e
 # Correct common miscapitalizations.
 sed -i 's/Open[c]ensus/OpenCensus/g' $(find * -type f)
 sed -i 's/Stack[D]river/Stackdriver/g' $(find * -type f)
+# No trailing spaces.
+sed -i 's/ \+$//' $(find * -type f)
 # For easier debugging: print the version because it affects the formatting.
 CMD=clang-format
 $CMD -version