GnuCOBOL toolchain pointers for mainframe-style batch programs (LINE/RECORD SEQUENTIAL files, PIC clauses, cobc build flags).
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See how to installReview the instructions the agent will receive before you install.
cobc -x -free -o prog PROG.cbl
./prog
-free allows *> comments and free-form source. File names in SELECT
are resolved relative to the program's run directory.
SELECT DETAIL-FILE ASSIGN TO "TRAN.DAT"
ORGANIZATION IS SEQUENTIAL.
For 80-byte fixed-record tapes use ORGANIZATION IS SEQUENTIAL with
RECORD CONTAINS 80 CHARACTERS in the FD. Pad WRITE records to the
required length (e.g. MOVE SPACES TO BAL-REC before populating fields).
When a tape stores sign and magnitude in separate positions (PIC X plus
PIC 9(11)V99), build a signed working-storage value before ADD /
SUBTRACT. Using only the unsigned magnitude in EVALUATE branches is a
frequent bug when debits and credits share the same magnitude field.
COMPUTE … ROUNDED rounds half away from zero in GnuCOBOL (matches the
Python Decimal ROUND_HALF_UP behaviour). Use it when multiplying a
two-decimal amount by a four-decimal rate and storing into a two-decimal
field.
cobc -x -free -Wall -o prog PROG.cblDISPLAY intermediate values for one or two records to confirm the
posting math and any cross-file lookups.No reviews yet. Tell others what you thought.
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Perform various data analysis on SEC 13-F and obtain some insights of fund activities such as number of holdings, AUM, and change of holdings between two quarters.
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AC branch pi-model power flow equations (P/Q and |S|) with transformer tap ratio and phase shift, matching `acopf-math-model.md` and MATPOWER branch fields. Use when computing branch flows in either direction, aggregating bus injections for nodal balance, checking MVA (rateA) limits, computing branch loading %, or debugging sign/units issues in AC power flow.
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Redact text from PDF documents for blind review anonymization
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Use when checking simplified ADA-derived plan-view bathroom accessibility constraints such as turning space, door clear width, toilet centerline, grab bars, and lavatory knee/toe clearance.
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Analyze failed GitHub Action jobs for a pull request.
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Use when extracting plan-view architectural geometry from DXF files with semantic CAD layers, especially when outputs must normalize rooms, doors, fixtures, clearances, and grab bars into machine-checkable JSON.
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