tricu

An interpreted language for exploring Tree Calculus
Log | Files | Refs | README | LICENSE

build-data-lines.sh (2385B)

      1 #!/usr/bin/env bash
      2 # Example composition of the shared build/configure/file commands.
      3 #
      4 # Goal: prepare a file processor that drops empty and #-prefixed lines without
      5 # compiling source, constructing workers, or resolving aliases on deployment.
      6 # COMPILER_DIGEST is a caller-declared identity; see docs/consumers.md for its
      7 # recipe. Each phase gets its own PHASE_SECONDS deadline. STORE holds the CAS.
      8 #
      9 # < bash demos/consumers/data-lines/build-data-lines.sh /tmp/scp-lines "$COMPILER_DIGEST" 240
     10 # > code/build/configuration pins, followed by file-manifest=<hash>
     11 set -euo pipefail
     12 if [[ $# != 3 ]]; then
     13   printf 'Usage: %s STORE COMPILER_DIGEST PHASE_SECONDS\n' "$0" >&2
     14   exit 2
     15 fi
     16 store="$1"; compiler="$2"; seconds="$3"
     17 repo="$(cd "$(dirname "$0")/../../.." && pwd)"
     18 bootstrap="${SCP_BOOTSTRAP:-$repo/.bootstrap-run/scp-bootstrap}"
     19 tricu="${TRICU:-$repo/result/bin/tricu}"
     20 # 1. Build reusable entries and invoke ONLY configureData. That SCP export
     21 # supplies splitter/predicate/filter/application state; this shell does not
     22 # duplicate the wiring. The returned invocations manifest contains dataLines,
     23 # a callable bytes -> Result [line], rather than a file reader.
     24 built="$(bash "$repo/demos/consumers/configurations/build-configurations.sh" "$store" "$compiler" "$seconds" configureData)"
     25 printf '%s\n' "$built"
     26 invocations="$(printf '%s\n' "$built" | sed -n 's/^invocations=//p')"
     27 # 2. Bind that callable to the shared file IO/presentation adapter. The label
     28 # affects displayed output, not the filtering rule. file-manifest identifies
     29 # the complete processFile callable, including its already configured program.
     30 "$tricu" scp file --bootstrap "$bootstrap" --store "$store" --seconds "$seconds" \
     31   --invocations "$invocations" --entry dataLines --label data-lines
     32 # 3. Deployment is a separate command. Use the printed file-manifest hash:
     33 # < result/bin/tricu scp run-file --store /tmp/scp-lines --seconds 60 --manifest FILE_MANIFEST_HASH --input-file demos/consumers/data-lines/data-lines-input.txt
     34 # > data-lines=2
     35 # > first=alpha
     36 # > [t t, ["alpha", "beta"]]
     37 # Try an empty file: success has zero lines and first=<none>. Try a missing
     38 # path: failure-stage=read explains the failure, and the Result stays an error
     39 # rather than silently becoming an empty list. Application errors are data,
     40 # not automatic shell exit failures. This processes whole files, not streams.